UNITED STATES DEPARTMENT OF THE INTERIOR ...MD 2.7 (SLM) , 2.6 (TEIC). mbLg 2.5 (GS) . Pel t at Bly thevi I le. 20 SOUTHERN CALIFORNIA. . ML 3.6 (PAS), 3.4 (GS). Fe I

UNITED STATES DEPARTMENT OF THE INTERIOR

GEOLOGICAL SURVEY

PRELIMINARY DETERMINATION OF EPICENTERS MONTHLY LISTING

OCTOBER - DECEMBER 1992

NATIONAL EARTHQUAKE INFORMATION CENTER

Open File Report

92-600-D

This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards.

1992

\M\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

MONTHLY LISTING

S. DEPARTMENT OF THE INTERIOR/GEOLOGICAL SURVEYNational Earthquake Information Center

OCTOBER 1992

K DAYEY

OR I GIN TI MEUTC

HR MN SEC

GEOGRAPHICCOORDINATES

LAT LONG

DEPTH MAGNITUDES SDGS

MB Msz

NO. STA USED

REGION. CONTRIBUTED MAGNITUDES AND COMMENTS

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ee 39 13.8 51.698 N 06 41 21.74 66.642 N 01 30 08.9* 35.837 N 01 31 48.9? 27.83 N

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178.150 W 153.019 W 117.671 W 102.37 W

33 N 123

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03 11 27.14 34.977 N 116.938 W 0

03 14 56.9* 50 402 N03 21 04 3 53.591 S05 02 34.1 51.123 N

18.788 E 10 G51.661 W 10 G 5.35.5177.997 W 15 G 5.95.8

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76 ANDREANOF ISLANDS. ALEUTIAN IS. Felt on Adok.84 SOUTHERN ALASKA. <AE I C> .14 CENTRAL CALIFORNIA. <PAS-P> . ML 2.8 (PAS).6 NORTHERN MEXICO. mbLg 3.8 (GS) . Felt ot o ranch about

midway between Baquillos del Carmen and Ocompo. 74 CENTRAL ALASKA. <AEIC>. ML 3.0 (AEIC).7 CERAM SEA

41 NEAR EAST COAST OF HONSHU. JAPAN19 ARKANSAS. <SLM-P>. MD 2.7 (SLM) , 2.6 (TEIC). mbLg 2.5

(GS) . Pel t at Bly thevi I le.20 SOUTHERN CALIFORNIA. <PAS-P>. ML 3.6 (PAS), 3.4 (GS).

Fe I t ot Bars tow . 7 POLAND. MG 2.5 (BRA) .

45 SOUTH ATLANTIC OCEAN 520 ANDREANOF ISLANDS, ALEUTIAN IS. ML 5.7 (PMR). ,

Mo-2.0» 10»*18 Nm (PPT). Felt (IV) on Adok. Two events about 1.4 seconds apart. Depth from broadband displacement seismogroms, based on first event.

5 TURKEY10 OFF COAST OF COSTA RICA 15 ANDREANOF ISLANDS, ALEUTIAN IS. 12 ANDREANOF ISLANDS, ALEUTIAN IS.6 PUERTO RtCO REGION7 NORTHERN TERRITORY, AUSTRALIA. ML 3.1 (OIS).

127 OFF COAST OF CENTRAL CHILE. Mo-1 . 6» 1 0»»1 8 Nm (PPT). 41 ANDREANOF ISLANDS. ALEUTIAN IS.8 SOUTHERN ITALY

11 CHILE-ARGENTINA BORDER REGION. MD 3.8 (SAN). 47 ALASKA PENINSULA. <AEIC>.19 NEAR COAST OF CENTRAL CHILE. MD 4.4 (SAN). 12 SERAM, INDONES I A 27 NEAR COAST OF NICARAGUA 20 CORSICA8 POLAND. ML 3.3 (GRF). 5 JAMAICA REGION. MD 2 . 8 (HOJ).

107 CENTRAL ALASKA. <AEIC>. Felt ot Contwell, Eielson AirForce Base, Fairbanks. Fox and Heoly.

115 CENTRAL ALASKA. <AEIC>. ML 4.5 (AEIC). 4.4 (PMR). Felt (V) ot Two Rivers, (IV) at Delta Junction ond (II) at Fa i r bonks .

18 OFF COAST OF NORTHERN CALIFORNIA. ML 3.5 (GS).5 TAIWAN

12 FRANCE. ML 2.7 (LDG).10 CHILE-ARGENTINA BORDER REGION. MD 3.4 (SAN). 9 CENTRAL PERU 9 SOUTHERN NORWAY. ML 1.5 (NAO) . MD 1.9 (BER).6 TURKEY

109 ANDREANOF ISLANDS, ALEUTIAN IS. Felt on Adok. 10 NEAR COAST OF CENTRAL CHILE. MD 3.7 (SAN). 14 NEAR COAST OF CENTRAL CHILE. MD 4.3 (SAN). 17 GERMANY. ML 2.8 (STR). MD 2.6 (UCC).7 NORTHWESTERN BALKAN REGION. ML 1.3 (TTG).

11 SOUTHERN CALIFORNIA. <PAS-P> . ML 3.0 (PAS).4 NORTHERN NORWAY

39 SOUTHERN MOLUCCA SEA 30 SOUTH ATLANTIC OCEAN7 PYRENEES. ML 1 .7 (STR) .8 NORTHERN COLOMBIA

Annual Subscriptions: Superintendent of Documents, U S. Government Printing Office, Washington, D.C. 20402. Bock issues: Books ond Open-File Reports Section, U.S. Geological Survey, Box 25425. Denver, CO 80225.

OCT 1992 PAGE 2

01 19 35 50.5 11.294 N 125.603 E 59 * 4.6 1.0 46 SAMAR, PHILIPPINE ISLANDS. Felt (II RF) ot Polo, Leyte.01 20 24 50 3* 59.252 N 19.266 E 10 G 1.2 5 POLAND01 20 47 36.44 34.356 N 116.459 W 1 12 SOUTHERN CALIFORNIA. <PAS-P>. ML 3.1 (PAS), 2.8 (GS).01 20 52 30.94 63.282 N 151.135 W 14 69 CENTRAL ALASKA. <AEIC>. ML 3.2 (AEIC), 3.4 (PMR).01 21 46 28.9% 43.044 N 18.765 E 10 G 0.1 6 NORTHWESTERN BALKAN REGION. ML 1.4 (TTG).01 22 09 00.0* 10.856 N 86.655 W 26 D 4.7 1.4 25 OFF COAST OF COSTA RICA. MD 4.6 (SJR).01 23 38 40.1* 30.306 N 138.554 E 445 « 4.3 0.7 18 SOUTH OF HONSHU, JAPAN02 90 16 12. 0% 39.735 N 27.771 E 10 G 1.0 13 TURKEY02 01 24 10.6? 51.35 N 177.75 W 33 N 3.9 0.4 6 ANOREANOF ISLANDS, ALEUTIAN IS.02 01 32 48.6% 36.650 N 4.863 W 33 N 1.0 6 STRAIT OF GIBRALTAR. mbLg 2.3 (MDD).02 02 02 00.44 34.581 N 116.593 W 3 12 SOUTHERN CALIFORNIA. <PAS-P>. ML 2.9 (PAS).02 03 51 38.8? 13.95 N 143.76 E 140 ? 4.9 1.4 10 SOUTH OF MARIANA ISLANDS02 04 18 42.0 51.148 N 15.843 E 5 G 0.7 9 POLAND. ML 2.9 (GRF).02 04 32 35.5% 40.374 N 23.784 E 10 G 0.8 6 GREECE. MD 2.2 (THE).02 05 33 11.8? 6.92 S 130.21 E 228 * 4.7 1.3 6 BANDA SEA92 06 23 55.2? 11.31 N 87.48 W 10 G 0.9 7 NEAR COAST OF NICARAGUA02 06 30 34.5* 26.497 S 114.435 W 20 D 5.0 4.6 1.1 37 EASTER ISLAND REGION02 07 02 26.1? 21.85 S 172.76 E 33 N 4.8 0.4 5 LOYALTY ISLANDS REGION02 07 05 05.0 51.034 N 177.771 W 33 N 4.9 4.4 0.9 119 ANDREANOF ISLANDS, ALEUTIAN IS.02 07 06 41.5? 22.07 S 68.14 W 33 N 0.5 5 NORTHERN CHILE02 97 19 41.8* 39.672 N 27.877 E 10 G 0.6 7 TURKEY02 07 19 57.34 34.602 N 116.635 W 4 4.1 58 SOUTHERN CALIFORNIA. <PAS-P>. ML 4.3 (PAS), 4.4 (GS).

Felt (IV) at Apple Valley and La Ouinto. Also felt atVictorviIle.

02 07 28 55.74 34.601 N 116.630 W 3 12 SOUTHERN CALIFORNIA. <PAS-P>. ML 2.8 (PAS), 2.3 (GS).02 07 45 51.34 50.597 N 129.986 W 10 G 55 VANCOUVER ISLAND REGION. <PGC-P>. ML 3.5 (PGC).02 08 24 40.2* 31.019 S 71.844 W 40 G 0.4 14 NEAR COAST OF CENTRAL CHILE. MD 4.4 (SAN).02 08 48 05.34 34.605 N 116.611 W 3 13 SOUTHERN CALIFORNIA. <PAS-P>. ML 2.9 (PAS), 2.4 (GS).02 08 59 22.7? 35.25 S 103.68 W 10 G 4.9 4.6 1.1 13 SOUTHERN PACIFIC OCEAN02 09 45 34.1% 44.211 N 7.414 E 10 G 9.5 7 NORTHERN ITALY. ML 1.6 (GEN).02 09 45 43.0? 5.81 S 131.36 E 123 ? 4.8 0.9 12 BANDA SEA02 10 31 57.1? 40.68 N 23.00 E 10 G 0.5 4 GREECE

a 02 10 50 46.1 30.820 S 177.557 W 33 N 5.1 5.3 1.2 67 KERMADEC ISLANDS, NEW ZEALAND02 11 00 41.3? 11.54 N 88.35 W 33 N 4.4 4.5 0.4 6 OFF COAST OF CENTRAL AMERICA02 11 04 37.1* 1.226 N 129.394 E 33 N 4.8 4.5 0.9 14 HALMAHERA, INDONESIA02 11 55 30.9 24.959 N 126.997 E 33 N 4.2 0.5 11 RYUKYU ISLANDS02 12 10 11.6? 20.90 S 67.16 W 190 G 0.7 6 SOUTHERN BOLIVIA02 12 12 14.14 34.605 N 116.626 W 4 19 SOUTHERN CALIFORNIA. <PAS-P>. ML 3.5 (PAS), 3.2 (GS).02 12 54 16.3? 22.65 S 69.32 W 10 G 1.5 5 NORTHERN CHILE. Felt (II) ot Antofagosta.02 13 05 42.34 35.914 N 116.968 W 4 17 CENTRAL CALIFORNIA. <PAS-P>. ML 2.9 (PAS), 2.4 (GS).02 13 53 40.9? 44.48 N 7.31 E 5 G 0.1 4 NORTHERN ITALY. ML 1.5 (GEN).02 14 38 44.3 38.006 N 73.044 E 118 4.9 1.1 115 TAJIKISTAN-XINJIANG BORDER REG.02 15 06 18.64 34.691 N 116.628 W 3 11 SOUTHERN CALIFORNIA. <PAS-P>. ML 3.0 (PAS), 2.6 (GS).02 15 46 33.2? 31.99 S 71.89 W 10 G 0.5 11 NEAR COAST OF CENTRAL CHILE. MD 3.8 (SAN).02 15 49 56.14 33.973 N 116.385 W 8 10 SOUTHERN CALIFORNIA. <PAS-P>. ML 3.1 (PAS), 2.9 (GS).02 16 25 17.3? 11.34 S 118.08 E 33 N 4.0 0.8 6 SOUTH OF SUMBAWA, INDONESIA02 17 11 28.5* 69.539 N 4.722 E 10 G 0.8 6 SOUTHERN NORWAY. ML 1.4 (NAO). MD 1.4 (BER).02 17 28 42.5 51.114 N 178.112 W 33 N 4.7 0.9 65 ANDREANOF ISLANDS, ALEUTIAN IS.02 17 30 33.8? 39.23 N 21.73 E 5 G 1.0 4 GREECE. MD 2.8 (ATH).92 17 32 11.9 42.620 N 13.419 E 10 G 0.4 6 CENTRAL ITALY02 17 52 59.2% 39.460 N 27.797 E 10 G 0.3 5 TURKEY02 19 18 13.6* 18 278 N 69.088 W 10 G 0.3 6 DOMINICAN REPUBLIC REGION02 19 25 16.0? 43.38 N 4.57 E 10 G 0.3 6 NEAR SOUTH COAST OF FRANCE. ML 2.6 (LDG).

a 92 19 29 55.1 0.304 N 122.618 E 107 D 5,2 1.2 84 MINAHASSA PENINSULA, SULAWESI02 20 15 21.5% 47.826 N 0.999 W 10 G 0.5 6 FRANCE. ML 2.2 (LDG).02 21 06 36.8 32.987 N 137.910 E 323 4.4 0.9 55 SOUTH OF HONSHU, JAPAN02 21 27 36.8* 1.339 N 129.297 E 33 N 4.6 1.4 13 HALMAHERA, INDONESIA02 21 42 18 04 34 035 N 117.187 W 6 24 SOUTHERN CALIFORNIA. <PAS-P>. ML 3.1 (PAS), 3.0 (GS).

Felt (IV) at Bryn Mawr, Highland, Red I ends and SanBe rno rd i no.

02 21 59 11.94 58.486 N 156.855 W 0 19 ALASKA PENINSULA. <AEIC>. ML 3.7 (AEIC).02 22 20 15.7* 32.945 S 71.617 W 10 G 1.0 11 NEAR COAST OF CENTRAL CHILE. MD 3.7 (SAN).92 22 48 56.7* 1 223 N 129.150 E 77 ? 4.9 1.3 28 HALMAHERA, INDONESIA02 23 06 28.1 42 377 N 1.848 E 22 0.8 26 PYRENEES. ML 3.0 (LDG), 2.7 (STR). mbLg 3 0 (MDD).02 23 27 05.1? 17.49 N 62.26 W 33 N 0.6 4 LEEWARD ISLANDS. MD 2.5 (TRN).03 90 53 92.2? 19.53 N 60.72 W 10 G 0.8 5 TRINIDAD. MD 2.9 (TRN).03 01 39 50.4 42.197 N 19.468 E 10 G 1.0 15 NORTHWESTERN BALKAN REGION. ML 2.4 (TIR), 2.0 (TTG).03 02 24 16.0 43.051 N 0.381 W 5 G 1.1 10 PYRENEES. ML 2.4 (LDG). Felt (IV) in the Ossau Valley.

France.03 02 26 01.9 41.842 N 20 084 E 10 G 1.1 11 ALBANIA. ML 2.4 (TIR), 2.1 (TTG).03 03 11 58.4 49 815 N 21 676 E 5 G 0.5 9 GREECE. MD 2.6 (THE).03 03 32 19.7? 8.71 S 76 04 W V00 G 4.6 1.3 14 CENTRAL PERU93 04 33 31.6 42.728 N 2.073 E 10 G 9.7 7 PYRENEES. ML 2.4 (LDG).93 05 51 41.44 19 328 N 155.972 W 2 4.0 58 HAWAII. <HVO-P>. MD 4.3 (HVO). Felt (V) at Pepeekeo and

(IV) at Hi la, Honomu and Pohala. Also felt at Volcano and in the Kona District. Felt throughout much of the southeastern port of the island of Hawaii.

03 06 55 23.7? 4.12 S 146.39 E 144 ? 4.9 1.1 9 EASTERN NEW GUINEA REG., P.N.G.03 07 00 34.1 30 870 S 71.344 W 73 « 0.9 23 NEAR COAST OF CENTRAL CHILE. MD 4.6 (SAN).03 07 14 35.0* 38.043 N 28.742 E 10 G 9.8 6 TURKEY03 07 29 52.74 34.515 N 116.541 W 0 9 SOUTHERN CALIFORNIA. <PAS-P>. ML 3.0 (PAS), 2.8 (GS).03 07 37 25.7 27.510 N 111.364 W 10 G 4.8 5.2 1.2 68 GULF OF CALIFORNIA. Felt ot Bahia Kino, Guaymos and

Hermos i I Io, Sonoro.03 07 42 25.6 51 062 N 178.393 E 33 N 5.2 4.9 0.9 163 RAT ISLANDS, ALEUTIAN ISLANDS03 08 12 47.4% 33.409 S 70.199 W 10 G 0.4 9 CHILE-ARGENT INA BORDER REGION. MD 3.0 (SAN).03 08 19 05.4 40.332 N 25.910 E 10 G 0.8 15 AEGEAN SEA. MD 3.2 (THE).03 09 19 09.8 56 383 N 152.861 W 33 N 4.8 4.5 0.9 65 KODIAK ISLAND REGION. ML 4.8 (AEIC), 4.5 (PMR).03 09 41 44.3? 31.94 S 70.43 W 110 G 0.4 10 CHILE-ARGENTINA BORDER REGION. MD 3.5 (SAN).03 09 56 15.2 56.113 N 152.395 W 33 N 4.2 0.9 53 KODIAK ISLAND REGION. ML 3.5 (AEIC).03 10 34 26.2% 41.140 N 28.729 E 10 G 0.4 8 TURKEY03 11 07 38.3* 29.274 S 70.142 W 10 G 1.0 10 CENTRAL CHILE03 11 11 21.9 39.326 N 25.545 E 16 9.9 31 AEGEAN SEA. ML 3.8 (ATH). MD 3.1 (THE).03 11 17 30.6% 39.078 N 27.690 E 10 G 0.3 5 TURKEY

03 11 25 33.5? 67.32 N 30.16 E 10 G

PAGE

1 . 1

OCT 1992

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BALTICS-BYELARUS-NW RUSSIA REG (BER)CENTRAL ALASKA. <AEIC>. ML 2.6 (AEIC), 3.1 BULGARIA TAI WANTAIWAN REGION. ML 4.9 (BJI).

<PAS-P> ML 3.0 (PAS), 3.0 (GS).

ML 2.1 (TTG).

MD 3.4 (SAN).

2.8 (LOG). 3.5 (ATM).

ML 3.0 (PAS).

ML 4SOUTHERN CALIFORNIA TURKEYSOUTHERN NORWAY. ML 1.2 (NAO). MD 1.7 (BER). GREECE. ML 4.0 (ATH), 3.9 (TTG), 3.9 (SKO), 3.8 (TIR). MD 3.7 (THE). Felt (V) at Gevgelija and (IV) at Prilep, YugosIav i a.CENTRAL ALASKA. <AEIC>. TIMOR REGION, INDONESIA SOUTHERN ITALY HALMAHERA, INDONESIAANDREANOF ISLANDS, ALEUTIAN IS. ML 4.9 (PMR). NORTHWESTERN BALKAN REGION PYRENEES. ML 2.4 (LDG). ARU ISLANDS REGION, INDONESIA NORTHERN CHILENEAR S. COAST OF HONSHU, JAPAN CHILE-ARGENTINA BORDER REGION. CRETE. MD 4.1 (ATH).SOUTHEASTERN ALASKA. <AEIC>. ML 3.3 (AEIC). SOUTHERN ALASKA. <AEIC>. ML 3.1 (AEIC), 3.2 (PMR) GREECE. ML 3.3 (ATH). MD 2.7 (THE). HOKKAIDO, JAPAN REGION NEW GUINEA, PAPUA NEW GUINEA TURKEY BANDA SEA TAIWAN TURKEY TURKEYYUNNAN, CHINA. ML 4.3 (BJI). WESTERN MEDITERRANEAN SEA. ML CENTRAL MEDITERRANEAN SEA. ML TURKEY GREECEEASTERN NEW GUINEA REG., P.N.G. CENTRAL CALIFORNIA. <PAS-P>. NEW GUINEA, PAPUA NEW GUINEA CHILE-ARGENTINA BORDER REGION. MD 3.4 (SAN).TURKEYSOUTHERN ALASKA. <AEIC>.TURKEYMYANMARKENAI PENINSULA, ALASKA. <AEIC>. ML 3.1 (AEIC)POLAND. ML 3.4 (GRF).TIMOR SEAEASTERN NEW GUINEA REG., P.N.G.CHILE-BOLIVIA BORDER REGIONNORTHERN CHILECENTRAL CALIFORNIA. <GM-P>. MDBANDA SEAGREECE-ALBANIA BORDER REGION(ATH). 3.5 (THE).IONIAN SEA MD 3.2 (ATH).TAIWAN REGIONEASTERN HONSHU, JAPANGULF OF ALASKA. <AEIC>.KURIL ISLANDSMYANMAR-INDIA BORDER REGIONNEAR COAST OF CENTRAL CHILE.SOUTHERN CALIFORNIA. <PAS-P>NORTHERN XINJIANG, CHINAOFF COAST OF CENTRAL CHILE. MD 3.8 (SAN)OFF COAST OF GUERRERO, MEXICOCHILE-ARGENTINA BORDER REGIONSOUTHERN ALASKA. <AEIC>.NORTHERN MID-ATLANTIC RIDGECELEBES SEAWESTERN MEDITERRANEAN SEA. MLOFF COAST OF PERUOKLAHOMA. <TUL>. MD 2.8 (TUL).Perry. Felt (IV) at StillwoterAEGEAN SEA. MD 2.5 (THE).FIJI ISLANDS REGIONSOUTHERN CALIFORNIA. <PAS-P>.CENTRAL ITALY ML 3.7 (LDG).CHILE-ARGENTINA BORDER REGIONTURKEYSOUTHERN CALIFORNIA. <PAS-P>. ML 2.8 (PAS).SOUTHERN CALIFORNIA. <PAS-P>. ML 2.8 (PAS).TURKEYTURKEYNORTHERN CHILECHILE-ARGENTINA BORDER REGIONEASTERN NEW GUINEA REG., P.N.G.SOUTHERN CALIFORNIA. <PAS-P>. MLFelt (IV) at Yucca VaI ley.TURKEYSAN JUAN PROVINCE, ARGENTINA

3.1 (GM). ML 3.0 (PAS).

ML 3.7 (TIR). MD 3.6

ML 2.5 (AEIC).

MD 3.5 (SAN). ML 3.3 (PAS), 3.0 (GS)

2.7 (LDG).

Felt (V) at Gorber and

ML 2.9 (PAS).

. MD 3.5 (SAN).

MD 3.3 (SAN) .

3.7 (PAS), 3.3 (GS)

MD 3.9 (SAN).

OCT 1992 PAGE 4

es 11 40 29.14 37.447 N 118.855 W 36

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CALIFORNIA-NEVADA BORDER REGION. <BRK>. ML 3.9 (BRK).MD 3.9 (GM) Felt in the epicentrol area.CHILE-ARGENTINA BORDER REGIONWESTERN MEDITERRANEAN SEA. ML 2.7 (LOG).GREECENORTHWESTERN BALKAN REGION. ML 2.0 (SKO). MD 2.2 (THE)GREECE. MD 1.7 (THE).SOUTHERN XINJIANG, CHINARAT ISLANDS, ALEUTIAN ISLANDS. ML 5.3 (PMR). Felt (V)on Amchi t ka.CENTRAL CALIFORNIA. <GM-P>. MD 2.7 (GM). ML 2.6 (PAS).GULF OF ALASKA. <AEIC>. ML 2.7 (AEIC).AEGEAN SEA. ML 3.3 (ATM). MD 3.1 (THE).SICILYNEAR COAST OF NORTHERN CALIF. <GM-P>. MD 3.4 (GM). ML3.1 (BRK).NEAR ISLANDS, ALEUTIAN ISLANDSNEAR COAST OF NORTHERN CALIF. <GM-P>. MD 3.0 (GM).LEEWARD ISLANDS. MD 3.9 (TRN).NEAR COAST OF CENTRAL CHILE. MD 4.2 (SAN).STRAIT OF GIBRALTAR. mbLg 3.0 (MDD).NORTHERN COLOMBIASOUTHERN CALIFORNIA. <PAS-P>. ML 3.4 (PAS),STRAIT OF GIBRALTAR. mbLg 3.0 (MDD).NEAR COAST OF NORTHERN PERUCHILE-BOLIVIA BORDER REGIONTURKEYKENAI PENINSULA, ALASKA. <AEIC>. ML 2.5 (AEIC)PANAMA-COSTA RICA BORDER REGIONGREECE. MD 2.1 (THE).NEAR COAST OF NORTHERN CALIF(III) at Rio Del I .NEAR COAST OF CENTRAL CHILE. MD 3.6 (SAN).SOUTH OF HONSHU, JAPANOFF COAST OF NORTHERN PERUCOSTA RICA. MD 4.1 (SJR).KURIL ISLANDSNORTHWESTERN BALKAN REGION. ML 2.1 (TTG).TURKMENISTAN-1 RAN BORDER REGION. Felt (V) at Kara-Kala;alsa felt at Ashgabot, Turkmenistan.ROMANIANORTHERN CHILENEW BRITAIN REGION, P.N.G. Ms 6.1Nm (PPT). Felt (II) at Rabauldisplacement seismog rams.SAN JUAN PROVINCE, ARGENTINASOUTHERN NORWAY. MD 2.3 (BER).CENTRAL CALIFORNIA. <BRK>. ML 2.5 (BRK).TURKEYMINDANAO, PHILIPPINE ISLANDSALASKA PENINSULA. <AEIC>.SALTA PROVINCE. ARGENTINASAN JUAN PROVINCE, ARGENTINA. MD 4.1 (SAN).GREECE. MD 2.1 (THE).SOUTHERN INDIAANDREANOF ISLANDS, ALEUTIAN IS. Felt (IV) on Adak.GERMANYLEEWARD ISLANDS. ML 3.3 (FDF). MD 3.0 (TRN).TURKEYVERMONT-NEW HAMPSHIRE REGION. <WES-P>. mbLg 3.4 (WES).Felt (IV) at Belmont, Boscawen, Bristol, Canterbury,Franklin, Henniker, Laudan, Salisbury and Tilton, NewHampshire. Felt (III) at Cantoocook, Lochmere,Sanbortan and Weare, New Hampshire. Also felt atLacania, New Hampshire.GREECE-BULGARIA BORDER REGION. MD 2.0 (THE).CENTRAL ITALYCENTRAL ITALYCENTRAL ITALY. MD 3.3 (LJU).VERMONT-NEW HAMPSHIRE REGION. <WES-P>. mbLg 2.3 (WES).Felt at Henniker, New Hampshire.ANDREANOF ISLANDS. ALEUTIAN IS. ML 5.0 (PMR)an Adak.EASTERN NEW GUINEA REG., P.N.G.NEAR EAST COAST OF HONSHU, JAPANSOUTHERN CALIFORNIA. <PAS-P>. ML 2.9 (PAS).NEAR EAST COAST OF KAMCHATKASOUTHERN CALIFORNIA. <PAS-P>. ML 3.7 (PAS).MOROCCO. MD 3.7 (RBA). mbLg 3.0 (MDD).PYRENEES. ML 2.7 (LDG).FRANCE. Felt (III) near Bagneres de Bigorre.GREECETURKEYNORTH OF HALMAHERA, INDONESIALEEWARD ISLANDS. MD 2.8 (TRN).CALIFORNIA-NEVADA BORDER REGION.AEGEAN SEASOUTHERN CALIFORNIA. <PAS-P>. ML 2.9 (PAS).OFF EAST COAST OF HONSHU, JAPANGREECE. ML 3.1 (ATH). MD 2.9 (THE).POLANDOFF COAST OF NORTHERN PERUTONGA ISLANDS

Felt (IV)

<PAS-P>. ML 2.9 (PAS).

PAGE OCT 1992

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TAIWAN REGIONWESTERN IDAHO. ML 3-5 (BUT).NEAR COAST OF CENTRAL CHILE.PHILIPPINE ISLANDS REGIONNORTH ISLAND. NEW ZEALANDOFF E. COAST OF N. ISLAND, N.Z.CHILE-ARGENTINA BORDER REGION.SUNDA STRAITGREECE. MD 1.4 (THE).TURKEYTURKEYTURKEYJUJUY PROVINCE, ARGENTINACENTRAL CALIFORNIA. <GM-P>.BULGARIA. MD 2.8 (THE).NORTH ISLAND, NEW ZEALANDPOLAND. ML 3.3 (WAR).SWEDEN. MD 3.5 (BER).ALASKA PENINSULA. ML 4.3 (PMR).Po i nt.SOUTHERN BOLIVIAANDREANOF ISLANDS, ALEUTIAN IS.NORTHERN MOLUCCA SEASOUTHERN NORWAY. ML 1.4 (NAO)NORTHWESTERN BALKAN REGION. ML 2.6 (TTG), 2.5 (TIR)SAN JUAN PROVINCE, ARGENTINA. MD 3.9 (SAN).SOUTHERN CALIFORNIA. <PAS-P>.SWITZERLAND. ML 2.2 (LDG).TURKEYCHILE-ARGENTINA BORDER REGION. DEAD SEA REGION. MD 4.0 (RYD). SOUTHERN CALIFORNIA. <PAS-P>. NORTH ATLANTIC OCEAN. MD 3.7 NORTHERN ITALY. ML 1.9 (LDG). SAN JUAN PROVINCE, ARGENTINA.TURKEYOFF EAST COAST OF HONSHU. JAPANNEAR COAST OF NICARAGUASOUTHERN ALASKA. <AEIO. ML 2.8 (AEIC).NORTHERN ITALY. ML 2.9 (LDG), 2.7 (GEN).SAN JUAN PROVINCE, ARGENTINA.POLAND. ML 2.7 (WAR).SOUTHERN ALASKA. <AEIO. ML 3.3 (AEIC), 3.2 (PMR).CHILE-ARGENTINA BORDER REGION.DEAD SEA REGIONMENDOZA PROVINCE, ARGENTINA.NORTHERN CHILESOUTHERN CALIFORNIA. <PAS-P>TURKEYCENTRAL CHILE. MD 4.0 (SAN).HOKKAIDO, JAPAN REGIONGULF OF ALASKA. <AEIC>. ML 3.4 (AEIC).NORTHERN CHILESOUTH OF KERMADEC ISLANDSSAN JUAN PROVINCE, ARGENTINATURKEY. Slight domoge to some buildings in theAgin-Kebon oreo. Also felt in the Molotyo vicinity.OFF COAST OF SOUTHERN CHILEANDREANOF ISLANDS, ALEUTIAN IS. ML 5.4 (PMR).Mo-7.9*10»»17 Nm (PPT). Felt (IV) on Adok.CHILE-ARGENTINA BORDER REGIONCALIFORNIA-NEVADA BORDER REGION. <PAS-P>,3.5 (GS). Felt ot Dorwin, Colifornio.CALIFORNIA-NEVADA BORDER REGION. <PAS-P>.AEGEAN SEA. MD 2.2 (THE).TURKEYMINDORO, PHILIPPINE ISLANDSSOUTH OF KERMADEC ISLANDSANDREANOF ISLANDS, ALEUTIAN IS.SAN JUAN PROVINCE, ARGENTINASWITZERLANDCENTRAL CALIFORNIA. <BRK>. ML 3.4 (BRK). MD 3.3 (GM).Mo-4.1»10**14 Nm (BRK). Felt (IV) ot Aptos, Corrolitos,Gilroy, La Selvo Beach and Wotsanville.ANDREANOF ISLANDS, ALEUTIAN IS.ANDREANOF ISLANDS, ALEUTIAN IS.NORTHWESTERN BALKAN REGION. ML 1.7 (TTG).NEAR COAST OF NORTHERN CALIF. <8RK>. ML 3.5 (BRK), 3.5(GS). MD 3.7 (GM). Felt (IV) ot Petrolio; (III) otEureka, Ferndale and Rio Dell; (II) ot Arcoto. Alsofelt ot Benbow, Honeydew, Panther Gap ond Whitethorn.NEW GUINEA, PAPUA NEW GUINEAGERMANY. ML 2.3 (LDG).NORTHERN CALIFORNIA. <BRK>. ML 3.2 (BRK), 2.9 (GS)3.0 (GM).SOUTHERN CALIFORNIA. <PAS-P>. ML 2.9 (PAS).SPAIN. ML 3.1 (LDG). mbLg 3.2 (MDD).NORTHERN CHILEKENAI PENINSULA. ALASKA. <AEIC>. ML 2.2 (AEIC).NORTH OF ASCENSION ISLANDNEAR COAST OF NORTHERN CALIF. ML 3.0 (GS).GREECESPAIN. mbLg 3.4 (MDD). Felt (III) in the Orense oreo.

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NORTH OF ASCENSION ISLANDAUSTRIANORTH ISLAND, NEW ZEALANDANDREANOF ISLANDS, ALEUTIAN IS. ML 5.2 (PMR). Ms 5.2(BRK). Felt (IV) on Adok.BULGARIA. MD 2.6 (THE).BANDA SEAEASTERN MEDITERRANEAN SEA. MLEASTERN MEDITERRANEAN SEA. MLBULGARIA. MD 2.7 (THE).SAN JUAN PROVINCE, ARGENTINAGREECE. MD 3.4 (THE), 3.3 (ATH).ANDREANOF ISLANDS. ALEUTIAN IS.EAST OF NORTH ISLAND, N.Z.KENAI PENINSULA, ALASKA. <AEIC>.(PMR). Felt (IV) at Cooper Landing, Moose Poss andSeward; (III) at Anchorage ond Eagle River.CENTRAL CALIFORNIA. <PAS-P>. ML 2.9 (PAS).KURIL ISLANDSEASTERN NEW GUINEA REG., P.N.G.MARIANA ISLANDSSOUTHERN ALASKA. <AEIC>.PYRENEES. ML 2.7 (LDG).CHILE-ARGENTINA BORDER REGION. MD 4.1 (SAN).LEEWARD ISLANDS. MD 4.7 (TRN). Felt (IV) on St. Mortinand St. Bor the Iemy.TURKEYCENTRAL PERUHALMAHERA, INDONESIANEAR COAST OF NICARAGUASERAM, INDONESIAHALMAHERA, INDONESIANORTH ATLANTIC OCEAN. MD 3.5 (RBA). mbLg 3.0 (MDD).NORTH ATLANTIC OCEAN. MD 4.1 (TRN).NEAR COAST OF NORTHERN CHILEWINDWARD ISLANDS. MD 3.8 (TRN).NORTH ISLAND. NEW ZEALANDNEAR COAST OF GUERRERO, MEXICONEAR EAST COAST OF KAMCHATKACHILE-ARGENTINA BORDER REGIONTURKEYLEEWARD ISLANDS. ML 2.8 (PDF).NEAR COAST OF NORTHERN CHILEGREECE. MD 2.9 (THE).HAWAII. <HVO-P>. MD 4.5 (HVO). Felt (IV) ot Hokolau,Honokoo and Popaoloa. Felt (III) at Hilo, Holualoo,Ninole, Poholo, Popoikou and Pepeekeo. Also felt atGlenwood, Loupohoehoe, Poouilo and Volcano.SOUTH OF PANAMACRETEHALMAHERA, INDONESIANORTHWESTERN BALKAN REGION. ML 2.1 (SKO). MD 2.1 (THE).TONGA ISLANDSCHILE-ARGENTINA BORDER REGION. MD 3.9 (SAN).EASTERN NEW GUINEA REG., P.N.G.GREECE. MD 1.7 (THE).POLAND. MG 3.0 (WAR).NORTHWESTERN BALKAN REGION. MD 2.5 (THE).ALASKA PENINSULA. ML 3.9 (AEIC), 3.6 (PMR).GUERRERO, MEXICOCENTRAL ALASKA. <AEIC>. ML 2.7 (AEIC).SOLOMON ISLANDSWYOMING. ML 4.0 (GS). 4.0 (BUT). Felt (III) ot Hudsonand Lender.CALIFORNIA-NEVADA BORDER REGION. <8RK>. ML 4.1 (BRK),4.1 (GS). Felt (III) at Benton, California.EASTERN MEDITERRANEAN SEA. ML 3.4 (CSS).IONIAN SEA. ML 3.8 (ATH). MD 3.5 (THE).FIJI ISLANDS REGIONSOUTH OF FIJI ISLANDSCHILE-ARGENTINA BORDER REGION. MD 3.3 (SAN).GULF OF CALIFORNIAHALMAHERA, INDONESIASOUTHERN YUKON TERRITORY, CANADA. <PGC-P>. ML 4.4(PGC), 3.9 (PMR), 3.6 (AEIC). Felt ot Silver City.NEW SOUTH WALES, AUSTRALIA. ML 3.9 (RIV).CENTRAL ITALYSOUTH ISLAND, NEW ZEALANDCENTRAL CALIFORNIA. <PAS-P>. ML 3.0 (PAS).VANUATU ISLANDS REGIONRAT ISLANDS, ALEUTIAN ISLANDSMEXICO-GUATEMALA BORDER REGIONGREECELEEWARD ISLANDS. MD 3.1 (TRN).CHILE-ARGENTINA BORDER REGION. MD 3.3 (SAN).SOUTHERN NORWAY. MD 2.1 (BER).FRANCE. ML 2.8 (LDG).NEAR N COAST OF NEW GUINEA, PNG.WESTERN MEDITERRANEAN SEA. mbLg 3.1 (MDD).SPAIN. mbLg 3.1 (MDD). Felt (IV) in the Torreviejaoreo.FIJI ISLANDS REGIONJAMAICA REGION. MD 2.7 (HOJ).

PAGE 7 OCT 1992

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OCT 1992 PAGE 8

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PAGE 9 OCT 1992

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MINAHASSA PENINSULA, SULAWESINEAR COAST OF NORTHERN CALIF. <BRK>. ML 3.0 (BRK).CENTRAL CALIFORNIA. <PAS-P>. ML 3.1 (PAS), 2.7 (GS).Fel t .CENTRAL ALASKA. <AEIC>.OFF COAST OF CENTRAL CHILE. MD 3.7 (SAN).VANUATU ISLANDSSOUTHERN CALIFORNIA. <PAS-P>. ML 2.8 (PAS).KASHMIR-XINJIANG BORDER REGIONVANUATU ISLANDSNORWEGIAN SEA. ML 4.1 (BGS).VANUATU ISLANDS. Ms 7.0 (BRK). Mo-7.9«10» 18 Nm (PPT)Depth from broodbond displacement seismogroms.GREECE-ALBANIA BORDER REGIONVANUATU ISLANDSSOUTHERN ALASKA. <AEIC>.NORTHERN COLOMBIACHILE-BOLIVIA BORDER REGIONCENTRAL CALIFORNIA. <GM-P>. MD 2.5 (GM).VANUATU ISLANDSIONIAN SEA. MD 3.7 (ATH).SOUTHERN CALIFORNIA. <PAS-P>. ML 2.8 (PAS).VANUATU ISLANDSALBANIA. ML 2.5 (SKO), 2.3 (TIR).DODECANESE ISLANDS. MD 4.0 (ATH).CHILE-ARGENTINA BORDER REGION. MD 3.9 (SAN).NORTHERN COLOMBIA. Ms 7.0 (BRK). Mo-1 . 6*10* 19 Nm(PPT). About 20 people injured ond 90 percent of thebuildings destroyed ot Murindo. Felt throughoutnorthwestern Colombia from Col i ond Bogota to CesorDepartment. Depth from broadband displacementse i smog rams.NORTHERN COLOMBIAYUNNAN, CHINANORTHERN COLOMBIANORTHERN COLOMBIANORTHERN COLOMBIATURKEYSOUTHERN ALASKA. <AEIC>. ML 3.3 (AEIC), 3.3 (PMR).VANUATU ISLANDSNORTHERN COLOMBIATURKEYAEGEAN SEA. MD 3.2 (ATH)NORTHERN COLOMBIASOUTHERN ALASKA. <AEIC>.FRANCE. ML 2.8 (LDG).VANUATU ISLANDSAEGEAN SEA. MD 2.2 (THE)K'ENAI PENINSULA, ALASKA.NEAR S. COAST OF HONSHU,NORTHERN COLOMBIANEAR S. COAST OF HONSHU, JAPANVANUATU ISLANDSAEGEAN SEA. MD 1.5 (THE).NEAR COAST OF CENTRAL CHILEFRANCE. ML 2.6 (LDG).NORTHERN COLOMBIACERAM SEAVANUATU ISLANDSCENTRAL CALIFORNIA. <PAS-P>,OFF COAST OF CENTRAL CHILE.OFF COAST OF CENTRAL CHILE,GREECE. MD 2.3 (THE).VIRGIN ISLANDS. ML 3.9 (TRN)NORTHERN COLOMBIASOUTH OF HONSHU, JAPANCENTRAL CALIFORNIA. <PAS-P>.Felt ot Dogge t t.GREECE. MD 3.2 (ATH).SAN JUAN PROVINCE, ARGENTINANORTHERN ALGERIA. mbLg 4 2 (MDD)Temouchent.NORTH ISLAND, NEW ZEALANDNORTHERN ALGERIA. mbLg 3 6 (MDD).MARIANA ISLANDSSPAI NMINAHASSA PENINSULA, SULAWESISOUTHERN ALASKA. <AEIC>. Felt (II) at Homer.COOK STRAIT, NEW ZEALANDCENTRAL CALIFORNIA. <PAS-P>.AEGEAN SEASOUTH OF SJMBAWA, INDONESIASPAIN. mbLg 3.4 (MDD).NORTHERN ITALY. ML 2.3 (LDG),SAN JUAN PROVINCE, ARGENTINASOUTHERN CALIFORNIA. <PAS-P>.SOUTHERN ALASKA. <AEIC>.SOUTH OF HONSHU, JAPANTURKEYSOUTH OF PANAMANEAR COAST OF CENTRAL CHILE,at Valparaiso.NEW GUINEA, PAPUA NEW GUINEA

<AEIC>. JAPAN

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PAGE 11 OCT 1992

18 86 29 18.3? 38.91 N 67.94 E 33 N 3.5 1.3 11 PAKISTAN18 86 34 43.8 39.181 N 23.793 E 18 G 1.2 32 AEGEAN SEA. MD 3.4 (ATH).18 86 57 21.84 58.854 N 154.760 W 117 44 ALASKA PENINSULA. <AEIC>.18 87 34 51.8 44.738 N 7.608 E 10 G 1.0 16 NORTHERN ITALY. ML 2 0 (GEN), 2.0 (LOG).18 07 56 29.34 61.443 N 150.676 W 46 85 SOUTHERN ALASKA. <AElC>. ML 3.2 (AEIC), 3.0 (PMR).18 08 44 18.6* 6.079 S 129.186 E 225 ? 4.8 0.8 12 BANDA SEA18 09 16 23.5? 35.16 N 81.64 E 33 N 4.3 0.9 8 SOUTHERN XINJIANG, CHINA18 10 51 21.6 6.972 N 76.454 W 13 D 5.2 1.1 123 NORTHERN COLOMBIA18 11 55 19.34 62.977 N 151.011 W 118 75 CENTRAL ALASKA. <AEIC>.18 12 01 04.14 60.726 N 146.410 W 23 58 SOUTHERN ALASKA. <AEIC>. ML 2.6 (AEIC).18 12 23 25.84 57.091 N 154.046 W 39 54 KODIAK ISLAND REGION. <AEIC>. ML 3.4 (AEIC).18 12 29 16.7? 39.56 N 30.25 E 10 G 0.1 5 TURKEY18 12 40 56.3* 6.069 S 147.623 E 110 4.0 0.8 7 EASTERN NEW GUINEA REG.. P.N.G.18 12 41 41.1 40.347 S 173.312 E 160 G 1.2 29 COOK STRAIT, NEW ZEALAND18 12 43 09.1 9.268 S 78.722 W 48 D 5.0 5.2 1.0 46 NEAR COAST OF NORTHERN PERU. Felt (II) at Casma and

Chimbate. Also felt at Barranca, Huocho, Huormey and Lima.

18 12 45 47. 9% 39.127 N 27.555 E 10 G 0.1 5 TURKEY18 12 54 26.1* 55.231 S 145.8B9 E 10 G 5.1 1.5 21 WEST OF MACQUARIE ISLAND18 13 04 27.2* 11.856 N 87.374 W 33 N 4.4 1.0 29 NEAR COAST OF NICARAGUA

a 18 13 08 54.7 6.279 S 130.214 E 119 G 5.8 1.0 280 BANDA SEA. Depth from broadband displacementse i smog rams.

f 18 15 11 59.1 7.075 N 76.862 W 10 G 6.6 7.3 1.3 544 NORTHERN COLOMBIA. Ms 7.4 (BRK). Mo-1.6*10*»20 Nm(PPT). One person killed, 50 injured and damage in the Murindo-Aportado-MedeI Iin area. At least 10 people killed, 65 injured and 1,500 homeless by the explosion of a mud volcano in the Son Pedro de Urabo area. Slight damage at Bogota. Felt in much of northwestern Colombia and as far south as Co I i . Felt strongly in Darien Province, Panama. Also felt (IV) on the Azuero Peninsula and at Panama City, Panama. Felt at Caracas and Valencia, Venezuela. Also felt on Arubo. Landslides occured in the epicentrol area. Liquefaction was observed in the Murindo area and as for north as Aportado. A small island emerged from the Caribbean Sea off San Juan de Urobo. Complex event observed on broadband displacement seismagroms.

18 15 24 02.8 36.510 N 71.161 E 78 ? 4.8 0.7 13 AFGHANISTAN-TAJIKISTAN BORD REG.18 15 25 25.7 7.383 N 76.496 W 10 G 5.1 0.8 60 NORTHERN COLOMBIA18 15 34 29.2 6.933 N 76.885 W 10 G 5.2 0.8 80 NORTHERN COLOMBIA18 15 44 24 5* 7.056 N 76.757 W 10 G 4.8 0.7 17 NORTHERN COLOMBIA18 15 54 04.6? 7.63 N 76.32 W 10 G 4.5 0.9 17 NORTHERN COLOMBIA18 15 54 52.8 6.804 N 76.805 W 10 G 5.1 0.9 69 NORTHERN COLOMBIA18 15 55 03.4* 16.560 S 167.424 E 34 * 4.6 1.3 32 VANUATU ISLANDS18 16 02 21.0* 7.385 N 76.543 W 10 G 4.9 1.0 23 NORTHERN COLOMBIA18 16 03 51 6» 6.734 N 76.785 W 17 D 5.0 0.9 62 NORTHERN COLOMBIA18 16 05 44.7 7.011 N 76.744 W 12 D 5.6 1.2 221 NORTHERN COLOMBIA18 16 14 45 5 42.066 N 73.116 E 19 D 5.1 0.9 143 KYRGYZSTAN. ML 5.0 (BJI). Felt (V) at Kara-Kill and

(Ml) at Bishkek. Also felt (V) at Merke, (IV) at Dzhombul and (III) at Alma-Ata, Kazakhstan.

18 16 29 14.8* 37.311 S 176.490 E 230 G 1.2 30 NORTH ISLAND, NEW ZEALAND18 16 57 47.1* 7.410 N 76.586 W 10 G 4.7 0.7 9 NORTHERN COLOMBIA18 17 15 28.1 43.854 N 7.665 E 10 G 0.7 16 NEAR SOUTH COAST OF FRANCE. ML 2.4 (LOG), 2.0 (GEN).18 17 27 46 8% 44.933 N 7.214 E 10 G 0.6 5 NORTHERN ITALY. ML 1.9 (GEN).18 17 33 03 2* 18.069 N 76.856 E 33 N 4.4 1.1 16 SOUTHERN INDIA

a 18 17 42 51.4 6.740 S 105.602 E 37 5.8 5.8 1.1 385 SUNDA STRAIT. Felt (IV) at Jakarta, Indonesia.18 17 50 20.7* 7.625 N 76 233 W 10 G 4.7 1.3 30 NORTHERN COLOMBIA18 18 10 36.6* 14.071 S 176.714 E 34 * 5.0 1 2 82 FIJI ISLANDS REGION18 18 14 35.1* 25.841 S 71.259 W 33 N 1.1 13 OFF COAST OF NORTHERN CHILE18 18 27 02 34 33.366 N 116.283 W 7 6 SOUTHERN CALIFORNIA. <PAS-P>. ML 2.8 (PAS).18 18 27 31.6 7.003 N 76.775 W 18 D 5.5 5.2 1.0 255 NORTHERN COLOMBIA18 18 27 48.74 59.318 N 153.281 W 92 46 SOUTHERN ALASKA. <AEIC>.18 19 07 12.4 6.788 N 76.632 W 14 D 5.1 4.6 1 2 108 NORTHERN COLOMBIA18 19 50 48.7% 15.473 N 60.695 W 33 N 0.5 6 LEEWARD ISLANDS. ML 2.5 (FDF).18 20 10 55 6 7.458 N 76.521 W 13 D 5.1 4.6 1.2 125 NORTHERN COLOMBIA18 20 26 30.9 6.707 N 76.862 W 10 G 4.3 1.2 25 NORTHERN COLOMBIA18 20 43 52.9 7.177 N 76.502 W 15 D 5.1 0.9 147 NORTHERN COLOMBIA18 21 14 34.7 29.116 S 71.939 W 33 N 1.1 24 NEAR COAST OF CENTRAL CHILE. MD 4.5 (SAN).18 21 21 20.74 34.580 N 116.607 W 3 11 SOUTHERN CALIFORNIA. <PAS-P> ML 2.9 (PAS).18 21 22 32.8* 7 306 N 76.486 W 10 G 4.4 0.9 10 NORTHERN COLOMBIA18 21 44 41.9* 44.172 N 10.063 E 10 G 1.4 8 NORTHERN ITALY. ML 2.3 (LDG).18 22 19 30.8* 7.470 N 76.492 W 10 G 4.3 0.9 23 NORTHERN COLOMBIA18 22 19 51.4 6.788 N 76.747 W 10 G 4.9 0.9 64 NORTHERN COLOMBIA18 22 21 19.7? 37.86 S 176.14 E 209 ? 0.4 19 NORTH ISLAND, NEW ZEALAND18 22 32 47.6* 7.490 N 76.409 W 10 G 4.6 1.2 24 NORTHERN COLOMBIA18 23 18 04.1* 37.183 N 31.789 E 33 N 1.4 10 TURKEY. ML 3.1 (CSS).19 01 50 29.6* 4.716 S 149.844 E 33 N 4.6 0.5 6 BISMARCK SEA19 02 06 44 5 7.318 N 76.477 W 10 G 4.6 1.2 47 NORTHERN COLOMBIA19 02 16 05.8? 7.08 N 76.11 W 10 G 4.4 0.9 17 NORTHERN COLOMBIA19 02 17 09.1* 7.420 N 76.456 W 10 G 4.5 1.0 18 NORTHERN COLOMBIA19 02 33 37.74 38.817 N 122.809 W 1 8 NORTHERN CALIFORNIA. <GM-P>. MD 2.8 (GM).19 02 35 35.7 7.346 N 76.460 W 10 G 4.5 1.3 24 NORTHERN COLOMBIA19 02 47 23 6% 61.791 N 4.400 E 10 G 1.1 7 SOUTHERN NORWAY. MD 2.4 (BER).19 02 47 27.9 7.293 N 76.588 W 10 G 4.8 1.0 43 NORTHERN COLOMBIA19 03 21 10.0* 36.497 N 76.669 E 33 N 4.0 1.0 10 HINDU KUSH REGION. AFGHANISTAN19 03 58 52.0 6.794 N 76.634 W 10 G 5.0 1 3 116 NORTHERN COLOMBIA19 04 14 11.8% 37.833 N 27.493 E 10 G 1.4 6 TURKEY19 04 19 42.1? 18.42 S 166.80 E 33 N 1.2 4 VANUATU ISLANDS REGION19 05 04 02.7 7.439 N 76.504 W 10 D 5.3 1.0 178 NORTHERN COLOMBIA19 05 55 25.4% 40.540 N 23.024 E 10 G 0.4 8 GREECE. MD 2.5 (THE).19 06 07 23.7 7.469 N 76.431 W 13 D 4.6 1.1 52 NORTHERN COLOMBIA19 06 22 49.6 7.446 N 76 337 W 10 G 4.4 1 2 36 NORTHERN COLOMBIA19 06 35 52.0 6.936 N 76.730 W 15 D 4.7 1 2 61 NORTHERN COLOMBIA

OCT 1992 PAGE 12

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NORTHERN COLOMBIANORTHERN COLOMBIABANDA SEAAEGEAN SEA. MD 4.1 (ATH). Felt strongly on Khios,Greece. Also felt ot Izmir, Turkey.SPAIN. mbLg 3.0 (MOD).SOLOMON ISLANDSTURKEYNORTHERN ITALY. ML 2.1 (GEN).SAN JUAN PROVINCE, ARGENTINANORTHERN COLOMBIASOUTH OF PANAMASAN JUAN PROVINCE. ARGENTINANORTHWESTERN BALKAN REGION. ML 2.8 (TTG).FRANCE. ML 1.8 (GEN).VANUATU ISLANDS. Mo-3.2*10»* 18 Mm (PPT).NORTHWESTERN BALKAN REGION. MD 4.4 (TRI), 4.1 (THE),4.0 (VIE). ML 4.0 (TTG). Felt strongly ot Sorojevo,Bosn i o-Hercegov i no.JAN MAYEN ISLAND REGIONTURKEYNORTHERN COLOMBIANEAR COAST OF OAXACA, MEXICONORTHERN COLOMBIANORTHERN COLOMBIANORTHERN ITALYNORTHERN COLOMBIANORTHERN NORWAY. MD 2.5 (BER).SOUTHERN CALIFORNIA. <PAS-P>. ML 2.8 (PAS).NORTHERN COLOMBIASOUTHERN ALASKA. <AEIC>. ML 2.6 (AEIC).DODECANESE ISLANDS. MD 3.5 (ATH).VANUATU ISLANDS REGIONCHILE-ARGENTINA BORDER REGION. MD 3.3 (SAN).NORTHERN COLOMBIACHILE-ARGENTINA BORDER REGION. MD 3.1 (SAN).GREECE-ALBANIA BORDER REGION. MD 2.8 (ATH).NORTHERN COLOMBIANEAR COAST OF NORTHERN PERUSOUTHERN CALIFORNIA. <PAS-P>. ML 2.8 (PAS).CENTRAL CALIFORNIA. <PAS-P>. ML 2.7 (PAS).SOUTHERN CALIFORNIA. <PAS-P>. ML 3.3 (PAS), 3.2 (GS).Felt (IV) ot Pioneer town.TURKEY. MD 4.3 (HLW).NORTH ISLAND, NEW ZEALANDLOYALTY ISLANDS REGIONEGYPT. MD 4.1 (RYD), 4.0 (HLW).NEAR COAST OF NORTHERN CALIF. <GM-P>. MD 3.0 (GM).NORTHERN COLOMBIAAEGEAN SEA. MD 2.3 (THE).NORTHERN CALIFORNIA. <GM-P>. MD 3.0 (GM).KOMANDORSKY ISLANDS REGIONKOMANDORSKY ISLANDS REGIONFRANCE. ML 2.4 (LOG), 2.2 (GEN).KOMANDORSKY ISLANDS REGIONKOMANDORSKY ISLANDS REGIONEGYPT. MD 3.8 (HLW), 3.7 (RYD).CENTRAL CALIFORNIA. <GM-P>. MD 4.7 (GM). ML 4.3 (BRK).4.3 (PAS). Felt (IV) ot Avenol, Brodley. Coyucos.Coo lingo, Paso Robles, Son Ardo. San Luis Obispo, SonMiguel ond Soledod. Felt (III) at King City, Lockwoodond Son Simeon. Also felt ot Cholome, Porkfield ondShondon.CENTRAL CALIFORNIA. <GM-P>. MD 2.7 (GM). ML 2.8 (PAS).MINDANAO, PHILIPPINE ISLANDSKOMANDORSKY ISLANDS REGIONMARIANA ISLANDS REGIONSOUTHWESTERN RYUKYU ISLANDSon Ir i omote-shimo.SOUTHWESTERN RYUKYU ISLANDSTURKEYOFF COAST OF CENTRAL CHILE. MD 4.0 (SAN).NORTHERN COLOMBIASOUTHERN ALASKA. <AEIC>.NORTHERN ITALY. ML 1.8 (GEN).NORTHERN CALIFORNIA. <BRK>. ML 4.0 (BRK), 3.7 (GS) .Felt (IV) ot Crescent Mills, Greenville, Meadow Volley.Paradise ond Ouincy. Felt (Ml) ot Genesee Volley,Litchfield, Portolo, Stondish, Toylorsville ond Twoin.NORTH ISLAND. NEW ZEALANDNORTHERN COLOMBIASOUTH OF PANAMANORTHWESTERN BALKAN REGION3.6 (THE). ML 3.6 (TTG). 3.4ot Podgorico, Yugoslavia.NORTHWESTERN BALKAN REGION. ML 1.6NORTHERN COLOMBIANORTHERN ITALY. ML 2.1 (GEN).MARIANA ISLANDS REGIONNORTHWESTERN BALKAN REGION. ML 1.6 (TTG).SOUTH OF FIJI ISLANDSSTRAIT OF GIBRALTAR. mbLg 3.0 (MOD).WINDWARD ISLANDS. MD 4.7 (TRN). Felt (III) on

ML 5.2 (BJI ) . Felt (V JMA)

ML 3.9 (BJI).

MD 3.8 (ATH), 3.7 (VIE), (TIR) , 3.1 (LJU). Felt (V)

(TTG).

PAGE 13 OCT 1992

Mar t i n ique.20 16 30 52.0* 41.927 N 73.241 E 33 N 4.0 1.2 11 KYRGYZSTAN20 16 43 10.3? 46 03 N 3.93 E 10 G 0.3 8 FRANCE. ML 1.8 (LOG).20 16 57 38 2% 42 273 N 19.451 E 10 G 0.4 9 NORTHWESTERN BALKAN REGION. ML 1.7 (TTG).20 17 10 18.3? 15 42 S 72.74 W 123 ? 1.2 7 SOUTHERN PERU20 17 13 28.8? 29 95 S 178.22 W 33 N 4.3 1.4 9 KERMADEC ISLANDS, NEW ZEALAND. Felt (III) on Raou I

IsI and.20 17 13 29.3% 42.272 N 19.448 E 10 G 0.5 8 NORTHWESTERN BALKAN REGION. ML 1.7 (TTG).20 18 37 39.1 32.760 S 70.095 W 116 4.2 0.8 22 CHILE-ARGENTINA BORDER REGION. MD 4.3 (SAN).20 19 09 27.1 44 206 N 18.286 E 10 G 1.4 16 NORTHWESTERN BALKAN REGION. MD 3.3 (TTG).20 20 47 37.1% 42.271 N 19.449 E 10 G 0.4 8 NORTHWESTERN BALKAN REGION. ML 1.7 (TTG).20 20 53 34.7 33 613 S 68.550 W 10 G 0.8 13 MENDOZA PROVINCE, ARGENTINA. MD 3.9 (SAN).20 21 18 05.6* 32.613 S 71.673 W 16 0.4 12 NEAR COAST OF CENTRAL CHILE. MD 4.1 (SAN). Felt (II) ot

L i mache.20 21 43 20.5? 20.21 S 179.65 W 622 ? 4.8 0.9 10 FIJI ISLANDS REGION20 21 53 32.5 32.011 N 49.946 E 23 D 4.5 3.8 1.3 45 WESTERN IRAN. Felt at Ardal.20 22 55 49.1* 12.031 N 88.050 W 33 N 4.8 4.1 1.0 36 OFF COAST OF CENTRAL AMERICA20 23 35 13.6? 67.72 N 20.25 E 10 G 0.1 4 SWEDEN. MD 3.4 (BER).21 00 20 05.5 6.852 N 76.613 W 10 G 4.8 1.1 60 NORTHERN COLOMBIA21 01 09 06.2? 8.39 N 71.14 W 10 G 1.5 4 VENEZUELA21 01 14 02.2? 70.10 N 16.07 E 10 G 0.4 4 NORWEGIAN SEA. MD 2.6 (BER).21 02 04 27.8? 18.20 N 67.16 W 33 N 0.9 7 MONA PASSAGE21 03 26 36.9? 29.70 S 71.05 W 19 1.4 9 NEAR COAST OF CENTRAL CHILE21 03 43 04.6 6.240 S 145.742 E 33 N 4.4 0.5 5 NEW GUINEA, PAPUA NEW GUINEA. ML 4.2 (PMG).21 04 42 36.5 44.528 N 10.084 E 10 G 1.3 16 NORTHERN ITALY. ML 2.6 (LOG).21 05 21 06.5 51 307 N 178.456 W 33 N 4.6 1.0 57 ANDREANOF ISLANDS, ALEUTIAN IS.21 05 49 35.4 6.959 N 76.742 W 10 G 4.6 1.0 60 NORTHERN COLOMBIA. MD 4.5 (UPA).21 05 52 38.2* 14.744 S 173.793 W 33 N 4.8 0.9 34 SAMOA ISLANDS REGION21 06 23 30.2? 16.88 N 97 09 W 41 ? 0.3 5 OAXACA, MEXICO21 06 51 47.3% 42.886 N 0.808 W 10 G 0.3 9 PYRENEES. ML 1.0 (STR).21 07 34 54.5 6.926 N 76.658 W 10 G 4.6 0.9 53 NORTHERN COLOMBIA. MD 4.8 (UPA).21 08 34 21.8% 31.487 S 68.322 W 33 N 0.5 5 SAN JUAN PROVINCE, ARGENTINA21 09 32 37.1? 34.91 S 70.94 W 110 G 0.2 8 CHILE-ARGENTINA BORDER REGION21 10 15 35.0* 19.368 S 168.468 E 106 * 4.2 1.4 7 VANUATU ISLANDS21 10 49 12 9% 37.090 N 5.394 W 10 G 0.6 7 SPAIN. mbLg 2.9 (MOD).21 11 11 35.14 59.533 N 152.146 W 63 58 SOUTHERN ALASKA. <AEIC>. ML 2.9 (AEIC).21 11 22 39.6% 15.884 N 60.749 W 10 G 0.2 5 LEEWARD ISLANDS. ML 2.6 (FDF).

f 21 12 11 13.8 6.870 S 144.174 E 19 G 5.9 6.0 1.1 287 NEW GUINEA, PAPUA NEW GUINEA. Mo-1.6*10» 18 Nm (PPT).Depth from broadband displacement seismograms.

21 13 03 36.7. 3.513 S 130.398 E 33 N 5.2 0.7 12 SERAM, INDONESIA21 13 32 57 6* 42.695 N 24.307 E 10 G 1.2 7 BULGARIA21 14 11 52.6? 44.08 N 11.94 E 33 N 0.4 4 NORTHERN ITALY21 14 25 14.94 47.183 N 123 689 W 35 14 WASHINGTON. <SEA>. MD 2.9 (SEA). ML 3.0 (GS).21 14 31 07.5? 41.76 N 20.47 E 10 G 0.2 4 ALBANIA21 15 05 24.6 6 322 S 26.772 E 10 G 4.8 1.0 38 ZAIRE. mbLg 4.4 (BUL).21 15 53 04.84 59 383 N 153.137 W 86 53 SOUTHERN ALASKA. <AEIC>.21 19 15 18.2? 46.41 N 0.53 E 10 G 1.5 4 FRANCE. ML 2.0 (LOG).21 20 12 55 8 15.945 N 61.028 W 86 0.3 23 LEEWARD ISLANDS. MD 4.0 (TRN). Felt (III) an Marie

GaI ante.21 20 26 52.8 7.411 N 126 637 E 37 D 5.0 4.4 1.1 84 MINDANAO, PHILIPPINE ISLANDS21 21 42 40.1? 15 23 S 121.91 E 33 N 1.1 7 NORTHWEST OF AUSTRALIA21 22 12 04.9 44 218 N 129.093 W 10 G 3.8 0.9 74 OFF COAST OF OREGON21 22 41 33.7 43 106 N 0.721 W 10 G 0.2 9 PYRENEES. ML 1.0 (STR).21 23 15 22.4% 36 894 N 3.936 W 72 ? 0.9 11 STRAIT OF GIBRALTAR21 23 15 37.7 38 985 N 20.873 E 10 G 1.1 7 GREECE. MD 2.9 (ATH). ML 2.4 (THE).22 00 03 54.0 40 912 N 22.856 E 10 G 0.3 7 GREECE. ML 1.7 (THE), 1.5 (SKO).22 00 30 12.7* 26.317 S 177.280 W 172 « 3 9 1.1 9 SOUTH OF FIJI ISLANDS22 00 37 11 5? 51 69 N 7.70 E 0 G 0.9 8 GERMANY. ML 2.8 (LOG), 2 5 (BNS). Possible rackburst.22 01 09 07 04 36.783 N 121.373 W 3 10 CENTRAL CALIFORNIA. <BRK>. ML 2.5 (BRK).22 01 53 30 2 18.129 S 178.522 W 582 4.9 1.1 94 FIJI ISLANDS REGION22 02 25 39 8 38.889 N 119.370 W 5 G 0.6 27 CALIFORNIA-NEVADA BORDER REGION. ML 4.1 (GS), 3.8

(BRK). Felt (V) at Smith and Yerington, Nevada.22 02 45 56 3? 15.65 N 60.36 W 26 « 0.2 7 LEEWARD ISLANDS. ML 2.7 (FDF).22 03 45 36.9? 7.45 N 76.21 W 75 ? 4.4 1.3 10 NORTHERN COLOMBIA22 04 23 53.14 33 943 N 116.309 W 5 15 SOUTHERN CALIFORNIA. <PAS-P>. ML 3.3 (PAS), 3.0 (GS).

Felt (III) at Indio and Yucca Valley. Also felt at LaOu i nta.

22 04 45 21.3? 17 27 N 100.62 W 33 N 1.2 5 GUERRERO, MEXICO22 05 44 13.5? 6 68 N 72.76 W 195 ? 4.0 0.2 6 NORTHERN COLOMBIA22 07 23 34.6* 40.353 N 26.006 E 10 G 1.3 6 TURKEY22 07 40 36.64 59 915 N 141.358 W 7 34 SOUTHEASTERN ALASKA. <AEIC>. ML 3.5 (AEIC), 3.7 (PGC).22 07 50 26 3% 43 319 N 17.067 E 10 G 0.5 7 NORTHWESTERN BALKAN REGION. ML 2.6 (TTG).22 08 12 37.14 60 690 N 151.808 W 78 3.1 78 KENAI PENINSULA. ALASKA. <AEIC>.22 08 25 38.6* 34 095 S 70.372 W 33 N 0.9 6 CHILE-ARGENTINA BORDER REGION22 08 39 29.14 33 703 N 117.463 W 10 34 SOUTHERN CALIFORNIA. <PAS-P>. ML 3.8 (PAS), 3.6 (GS).

Felt (IV) at China, Lake Elsinare. Silverada and SunCity,

f 22 09 04 23.4 30 227 S 177.205 W 26 G 6.0 6.6 1.2 268 KERMADEC ISLANDS, NEW ZEALAND. Ms 7.2 (BRK).Mo-1.3*10««19 Nm (PPT). Felt (IV) on Raoul Island. Twaevents about 3.5 seconds apart. Depth from broadbanddisplacement seismograms, based an first event.

22 09 04 33.64 60 599 N 150.808 W 40 61 KENAI PENINSULA, ALASKA. <AEIC>. ML 2.8 (AEIC).22 09 20 57.2? 39.63 N 29.46 E 10 G 1.2 4 TURKEY22 09 31 47.1? 28 86 S 176.26 W 10 G 5.1 1.3 13 KERMADEC ISLANDS REGION22 10 39 53.1% 41 086 N 28.736 E 10 G 0.5 7 TURKEY22 11 07 57.3 33 842 N 120.288 E 10 G 4.3 1.4 24 SOUTHEASTERN CHINA22 11 21 03.7? 6.96 S 129 25 E 163 ? 5.0 1.0 11 BANDA SEA22 11 26 39.4% 42.468 N 19.024 E 10 G 0.5 9 NORTHWESTERN BALKAN REGION. ML 1.9 (TTG).22 11 39 57.9* 30 263 S 177.141 W 10 G 4.8 1.5 10 KERMADEC ISLANDS, NEW ZEALAND22 13 25 24.7? 41.63 N 22.99 E 10 G 0.4 5 NORTHWESTERN BALKAN REGION. ML 2.4 (THE).22 14 10 47.6? 10.62 N 67.41 W 10 G 0.7 4 NEAR COAST OF VENEZUELA22 14 28 42.6? 40 81 N 23.86 E 10 G 0.1 4 GREECE. ML 1.9 (THE).22 15 30 47.1% 42.608 N 18.493 E 10 G 1.0 8 NORTHWESTERN BALKAN REGION. ML 1.8 (TTG).

OCT 1992 PAGE 14

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SOUTHERN NORWAY. MD 2.2 (BER).NORTHERN NORWAY. MD 2.7 (BER).POLAND. ML 3.6 (WAR).SOUTHERN CALIFORNIA. <PAS-P>. ML 3.3 (PAS), 3.0 (GS).Felt ot Londers ond Pioneertown.KERMADEC ISLANDS REGIONEGYPT. MD 4.2 (HLW), 4.1 (RYD). Four people killed ondot leost 50 injured in the Coiro oreo.SOUTHERN CALIFORNIA. <PAS-P>. ML 3.4 (PAS), 3.0 (GS).CATAMARCA PROVINCE, ARGENTINAPUERTO RICO REGIONBANDA SEAKERMADEC ISLANDS, NEW ZEALANDIONIAN SEA. ML 4.1 (ATH), 4.0 (THE), 3.9 (TIR).KERMADEC ISLANDS REGIONKERMADEC ISLANDS REGIONLEEWARD ISLANDS. ML 2.7 (FDF).KERMADEC ISLANDS, NEW ZEALAND. Ms 6.5 (BRK).Mo-7.9*ie»»l8 Nm (PPT). Depth from broadbanddisplacement seismogroms.KERMADEC ISLANDS, NEW ZEALANDKERMADEC ISLANDS, NEW ZEALANDKERMADEC ISLANDS REGIONSAN JUAN PROVINCE, ARGENTINAGERMANY. ML 2.3 (STR). MD 2.2 (UCC).KERMADEC ISLANDS, NEW ZEALANDSOUTH OF HONSHU. JAPANKERMADEC ISLANDS, NEW ZEALANDROMANIAKERMADEC ISLANDS, NEW ZEALAND. Felt (III) on Roou IIsIond.VIRGIN ISLANDSEAST OF KURIL ISLANDSAUSTRIA. ML 2.8 (8RA), 2.4 (VIE).LEEWARD ISLANDS. ML 3.6 (FDF).NEAR EAST COAST OF HONSHU, JAPANKERMADEC ISLANDS REGIONKERMADEC ISLANDS REGIONSOUTH OF PANAMAGULF OF CALIFORNI ASOUTHERN CALIFORNIA. <PAS-P>. ML 2.8 (PAS).GULF OF CALIFORNIAOFF E. COAST OF N. ISLAND, N.Z.SOUTHERN CALIFORNIA. <PAS-P>. ML 3.4 (PAS).KENAI PENINSULA, ALASKA. <AEIC>. ML 2.6 (AEIC).KERMADEC ISLANDS REGIONMOROCCO. MD 5.2 (RBA). mbLg 5.0 (MDD). At leost twopeople killed ot Rissoni. Felt (VI) ot Rissani ond (V)ot Erfaud. Felt throughout much of Morocco from Fes toMor rokech.ROMANIA. Felt (III) at Bucharest. Felt (II) otChisinou, Moldova. Also felt ot Silistro, Bulgaria.KODIAK ISLAND REGION. <AEIC>. ML 2.8 (AEIC).NEAR WEST COAST OF COLOMBIA. Felt ot Medellin ondMon i zoIes.FOX ISLANDS, ALEUTIAN ISLANDSNEAR SOUTH COAST OF FRANCESOUTHERN CALIFORNIA. <PAS-P>. ML 3.1 (PAS).SOUTH OF HONSHU, JAPANOFF E. COAST OF S. ISLAND. N.Z. ML 3.8 (WEL).CENTRAL ALASKA. <AEIC>. ML 2.9 (AEIC), 3.2 (PMR).NEAR COAST OF NICARAGUANORTHWESTERN BALKAN REGIONVANUATU ISLANDSPHILIPPINE ISLANDS REGIONCENTRAL ITALY. MD 3.0 (LJU).EASTERN HONSHU. JAPANNEW BRITAIN REGION, P.N.G. Ms 7.0 (BRK). Mo-1.6*16Nm (PPT). Felt (IV) ot Roboul.NEW BRITAIN REGION, P.N.G.NORTHWESTERN BALKAN REGION. ML 2.1 (SKO).NEW BRITAIN REGION, P.N.G.NEW BRITAIN REGION, P.N.G.SOUTHERN CALIFORNIA. <PAS-P>. ML 3.0 (PAS)CENTRAL ITALYSOUTHEASTERN ALASKA. <AEIC> ML 2.9 (AEIC)OFF E. COAST OF N. ISLAND, N.Z.GREECE. ML 1.4 (THE).NEW BRITAIN REGION, P.N.G.STRAIT OF GIBRALTAR mbLg 3.2 (MDD).SOUTHERN SUMATERA, IUDONESIANEW BRITAIN REGION, P.N.G.POLAND. ML 3.8 (GRF), 3.8 (VIE).NORTHWESTERN BALKAN REGION. ML 2.4 (SKO), 2.2 (THE).NEW BRITAIN REGION, P.N.G.NEW BRITAIN REGION, P.N.G.NEW BRITAIN REGION, P.N.G.NEW BRITAIN REGION. P.N.G.COSTA RICAROMANIAOFF EAST COAST OF KAMCHATKANEW BRITAIN REGION, P.N.G.NEW BRITAIN REGION. P.N.G.

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3.2 (PGC)

PAGE 15 OCT 1992

232323232323

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NORTHWESTERN BALKAN REGION. ML 1.0 (SKO)CHILE-BOLIVIA BORDER REGIONSAVU SEATURKEYNORTHERN ITALY. ML 3.0 (LOG). MD 3.1 (LJU).EASTERN CAUCASUS. Ms 6.8 (BRK). Mo-7.3*10»*18 Nm (OBN).At least one person ki I led, 10 injured and severalhouses damaged (VIM) in the Barisakho Kazbegi orea.Georgia. Landslides reported in the epicentral area.Felt (VI) at Tskhinvali and Bokurioni; (V) at Tbilisiand Kutoisi, Georgia. Felt (V) at Graznyy andVladikavkaz; (IV) at Sochi and Pyatigorsk. Russia. Alsofelt (IV) at Akstafa and Kazakh; (III) at Tauz andTsey, Azerboijan. Depth from broadband displacementse i smog rams.NORTHWESTERN CAUCASUSBANDA SEANEAR COAST OF MICHOACAN, MEXICONORTHWESTERN CAUCASUSSOUTHERN NORWAY. MD 2.0 (BER).NEW BRITAIN REGION, P.N.G.KERMADEC ISLANDS, NEW ZEALANDCENTRAL ALASKA. <AEIC>.SOUTHERN ITALYCENTRAL ITALYGREECE-BULGARIA BORDER REGIONANDREANOF ISLANDS, ALEUTIAN IS.KERMADEC ISLANDS, NEW ZEALANDNEW BRITAIN REGION, P.N.G.SAN JUAN PROVINCE, ARGENTINASOUTHERN PERUSOUTHERN CALIFORNIA. <PAS-P>. ML 2.9 (PAS), 2.4 (GS).NORTH ISLAND, NEW ZEALAND. ML 4.1 (WEL).KERMADEC ISLANDS, NEW ZEALAND. Ms 6.6 (BRK).Mo-1.3»10«»19 Nm (PPT). Felt (IV) on Raoul Island.Depth from broadband displacement seismograms.NORTHWESTERN BALKAN REGION. ML 2.4 (TTG).TURKEYNEW BRITAIN REGION, P.N.G.NORTHERN ITALY. ML 1.8 (GEN).NEW BRITAIN REGION, P.N.G.CHILE-ARGENTINA BORDER REGIONKERMADEC ISLANDS, NEW ZEALAND. Felt (III) an PaaulIsI and.TAIWANNEAR EAST COAST OF HONSHU, JAPANHALMAHERA, INDONESIAKYUSHU, JAPANALASKA PENINSULA. <AEIC>.NORTHWESTERN BALKAN REGION. ML 2.1 (THE), 1.7 (SKO).KERMADEC ISLANDS, NEW ZEALANDKERMADEC ISLANDS, NEW ZEALAND. Felt (III) an RooulIs I and.KODIAK ISLAND REGION. <AEIC>. ML 3.9 (AEIC), 3.8 (PMR).SOUTHERN CALIFORNIA. <PAS-P>. ML 3.1 (PAS), 2.8 (GS).FeI t (III) ot Pi oneer town.NORTHWESTERN BALKAN REGION. ML 2.3 (THE), 2.2 (SKO).KURIL ISLANDSRAT ISLANDS, ALEUTIAN ISLANDS. ML 5.1 (PMR).MYANMARNORTHERN COLOMBIASOUTHERN NORWAY. MD 1.7 (BER).KERMADEC ISLANDS REGION.SPAIN. mbLg 2.7 (MDD).GREECE. ML 3.3 (ATH), 3.3 (THE).GREECE-ALBANIA BORDER REGIONNORTHERN CALIFORNIA. <GM-P>. MD 3. 1CENTRAL ALASKA. <AEIC>.CENTRAL ITALY. ML 3.9 (LOG). 3.9 (TTG), 3.8 (TIR). MD3.8 (FIR), 3.8 (TRI ).EASTERN NEW GUINEA REG.. P.N.G. AEGEAN SEA. ML 4.1 (ATH), 3.7 (THE). CENTRAL ITALY. ML 3.5 (LOG). MD 3.2 (FIR). EASTERN NEW GUINEA REG., P.N.G. SOUTH OF MARIANA ISLANDS EASTERN NEW GUINEA REG., P.N.G. KERMADEC ISLANDS, NEW ZEALAND KERMADEC ISLANDS. NEW ZEALAND.IsI and.SOUTHERN CALIFORNIA. <PAS-P>.FRANCE. ML 1.5 (GEN).

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ML 2.5 (AEIC).NORTHERN ALASKA. <AEIC>.EL SALVADOR. Felt (III) at Son Solvodor WEST OF GIBRALTAR. mbLg 2.9 (MDD). SOUTHERN ALASKA. <AEIC>. ML : 5 (AE'C).

OCT 1992 PAGE 16

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GUERRERO, MEXICOKENAI PENINSULA, ALASKA. <AEIC>. ML 3.7 (AEIC).WEST OF GALAPAGOS ISLANDSWEST OF GALAPAGOS ISLANDSTURKEYTUCUMAN PROVINCE, ARGENTINACENTRAL ALASKA. <AEIC>.OFF E. COAST OF N. ISLAND. N.2. ML 3.9 (WEL).JAWA, INDONESIANEW BRITAIN REGION, P.N.G.CHILE-ARGENTINA BORDER REGIONSOUTHERN SUMATERA, INDONESIAPOLAND. MG 3.0 (WAR).OFF COAST OF GUERRERO, MEXICONORTHERN CHILEKERMADEC ISLANDS REGIONPOLAND. MG 2.9 (WAR).SOUTHERN GREECE. ML 3.5 (ATH).NEAR COAST OF GUERRERO. MEXICOPYRENEES. ML 2.8 (LOG), 2.3 (STR). Felt (IV) ot Costetand in the Ossou Volley, France.LEEWARD ISLANDS. ML 3.3 (FDF).NORWEGIAN SEAPORTUGAL. mbLg 4.1 (MDD). Felt (Ml) in the Macedo deCololeiros oreo. Felt (III) in Zamora, southern Orenseand western Solomonca Provinces, Spoin.ALBANIA. ML 2.8 (TlR).NEAR COAST OF NORTHERN CALIF. <GM-P>. MD 3.1 (GM).FIJI ISLANDS REGIONAEGEAN SEA. ML 2.5 (THE).NORTHERN COLOMBIA. MD 4.8 (UPA).PUERTO RICO REGIONDODECANESE ISLANDS. MD 3.8 (ATH).NEAR COAST OF CENTRAL CHILEFRANCE. ML 2.3 (LOG).FRANCE. ML 2.0 (LDG).NORTHERN ITALY. ML 1.3 (GEN).CENTRAL CALIFORNIA. <GM-P>. MD 3 3 (GM). ML 2.9 (BRK).CENTRAL ALASKA. <AEIC>. ML 2.5 (AEIC), 3.1 (PMR).CENTRAL CALIFORNIA. <GM-P>. MD 3,9 (GM). ML 3.3 (BRK).Felt (IV) ot Son Ardo ond (III) ot Brodley, Creston,Porkfield ond Shandan.SOUTHERN CALIFORNIA. <PAS-P>. ML 3.0 (PAS).STRAIT OF GIBRALTAR. mbLg 3.2 (MOD). Felt (III) in theTuron oreo, Spo i n.WASHINGTON. <SEA-P> ML 3.5 (GS). FeltMD 3.5 (SEA) (V) ot Noches. Also felt at Seloh. STRAIT OF GIBRALTAR. mbLg 2.9 (MOD). GREECE. ML 1.6 (THE).GREECE-BULGARIA BORDER REGION. ML 2.8 (THE). GREECE. ML 3.1 (THE), 3.0 (ATH). GERMANY. ML 2.3 (STR). PANAMA-COLOMBIA BORDER REGION HOKKAIDO, JAPAN REGION TURKEYCENTRAL ALASKA. <AEIC>. ML 2.6 (AEIC), 3.1 (PMR). TURKEYNEAR COAST OF CENTRAL CHILE. MD 4.4 (SAN). TURKEYIRIAN JAYA, INDONESIA NORTH ISLAND, NEW ZEALAND FIJI ISLANDS FLORES SEA FIJI ISLANDS REGION SOUTHERN CALIFORNIA. <PAS-P>. TALAUD ISLANDS, INDONESIA KERMADEC ISLANDS, NEW ZEALAND NORTHERN NORWAY. MD 2.8 (BER). RUSSIA-MONGOLIA BORDER REGION CHILE-BOLIVIA BORDER REGION SOUTHERN GREECE. ML 3.4 (ATH), PYRENEES. ML 2.5 (LDG). TAIWAN REGION. ML 4.2 (BJI). NEAR EAST COAST OF KAMCHATKA SICHUAN. CHINA. ML 4.4 (BJI). KENAI PENINSULA. ALASKA. <AEIC>. NEAR COAST OF CHIAPAS, MEXICO FLORES REGION, INDONESIA CHILE-BOLIVIA BORDER REGION NEAR COAST OF NORTHERN CALIF NEW BRITAIN REGION, P.N.G. COOK STRAIT, NEW ZEALAND CENTRAL ITALYSOUTHERN GREECE. ML 3.2 (THE), 3.0 (ATH). KENAI PENINSULA, ALASKA. <AEIC>. TAJIKISTANNORTHERN ITALY. ML 3.0 (LDG), 2.9 (GEN). SAN JUAN PROVINCE, ARGENTINA SOUTHERN GREECE. ML 3.2 (ATH).WASHINGTON <SEA-P>. MD 2.5 (SEA). Felt (IV) ot Pockwood. Also felt in the Rondle oreo. SOUTHERN CALIFORNIA. <PAS-P>. ML 2.9 (PAS). CHILE-ARGENTINA BORDER REGION. MD 3.4 (SAN).

ML 2.8 (PAS).

3.4 (THE)

ML 3.4 (AEIC)

<BRK>. ML 3.0 (BRK).

PAGE 17 OCT 1992

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PAGE 19 OCT 1992

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IONIAN SEA. MD 3.4 (ATM).OFF E. COAST OF N. ISLAND, N.Z.STRAIT OF GIBRALTAR. mbLg 3.1 (MOD).AEGEAN SEA. ML 2.2 (THE).NORTHWESTERN BALKAN REGION. ML 1.8 (TTG).ALASKA PENINSULA. ML 4.8 (PMR), 4.7 (AEIC). Felt (IV)at Sand Paint and (III) at King Cove.CENTRAL CHILECHILE-ARGENTINA BORDER REGION. MD 3.7 (SAN).CENTRAL CHILE. MD 4.0 (SAN).CENTRAL ALASKA. <AEIC>.CHILE-ARGENTINA BORDER REGION. MD 3.8 (SAN).BANDA SEANORTHWESTERN BALKAN REGION. ML 1.9 (TTG).NORTHEASTERN INDIACENTRAL ITALYPOLAND. ML 3.2 (GRF), 3.1 (VIE).CENTRAL ITALYMINDANAO. PHILIPPINE ISLANDSSOUTHERN GREECE. ML 3.4 (ATH).OFF COAST OF HOKKAIDO, JAPANSOUTHERN GREECE. ML 3.5 (ATH).GULF OF ALASKA. ML 3.1 (AEIC), 3.2 (PGC).NEAR COAST OF CENTRAL CHILE. MD 4.2 (SAN).SOUTH OF SUMBAWA, INDONESIASPAIN. mbLg 3.6 (MOD).HALMAHERA, INDONESIASOUTHERN CALIFORNIA. <PAS-P>. ML 2.7 (PAS).FIJI ISLANDS REGIONSTRAIT OF GIBRALTAR. mbLg 3.4 (MOD).NEAR COAST OF CENTRAL CHILE. MD 4.3 (SAN).FIJI ISLANDS REGIONSOUTHERN ALASKA. <AElC>.WESTERN AUSTRALIANEAR COAST OF NORTHERN CALIF. <GM-P>. MD 3.0 (GM).ANDREANOF ISLANDS, ALEUTIAN IS. Felt on Adok.SOUTHERN ALASKA. <AEIC>.NEAR NORTH COAST OF COLOMBIANEAR NORTH COAST OF COLOMBIASAN JUAN PROVINCE, ARGENTINA. MD 3.8 (SAN).NEAR N COAST OF NEW GUINEA, PNG. Mo-7.9»10«»18 Nm(PPT). Complex event observed on broadband displacementse i smogr cms.NEAR N COAST OF NEW GUINEA, PNG.NEAR N COAST OF NEW GUINEA, PNG.NEAR N COAST OF NEW GUINEA, PNG.NEAR EAST COAST OF HONSHU. JAPANNEAR N COAST OF NEW GUINEA, PNG.SOUTHERN CALIFORNIA. <PAS-P>. ML 3.0 (PAS). Felt.BURU. INDONESIAGREECE. ML 3.2 (THE). MD 3.2 (ATH).CENTRAL CALIFORNIA. <BRK>. ML 3.2 (BRK), 3.2 (GS). Feltin the Monterey So Iinos area.GUATEMALAMAURITIUS-REUNION REGIONNORTH ISLAND, NEW ZEALANDLOYALTY ISLANDS REGIONSEA OF JAPANPOLANDNEAR N COAST OF NEW GUINEA, PNG.SPAIN. mbLg 2.8 (MDD).NORTH ISLAND, NEW ZEALANDTIMOR REGION, INDONESIA

ADDITIONAL SOURCE PARAMETERS

01 03 21 04.35 53.591S 51.661W 10km5.3mb ( 12 obs.) 5.5Msz ( 5 obs.)SOUTH ATLANTIC OCEANCENTROID. MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 26S, 49CCent ro i d Loco t i on:Origin Time 03:21 : 12.1 0.2Lot 53.63S 0.02 Lon 51.48W 0.04Dep 15.0 FIX Half-duration 1.6P r i nc i po I Axes:

Scale 10»»17 NmT Vol- 3.14 Pig- 0 Azm-110 N -0.48 90 180 P -2.66 0 20

Best Double Coup Ie:Mo-2.9»10«»17 NP1 St r i ke-155 Dip-90 Slip 180 NP2: 245 90 0

01 05 02 34.19 51.123N 177.997W 15km 5.9mb (171 obs.) 5.8Msz ( 67 obs.) ANDREANOF ISLANDS, ALEUTIAN IS. FAULT PLANE SOLUTION: P-Woves NP1:Strike- 72 Dip-73 Slip- 90 NP2: 252 17 90

P r i nc i poI Axes:

T Pig-62 Azm-342 P 28 162

Comment: The focal mechanism is poorly controlled and corresponds to reverse faulting. The preferred fault plane is NP2.

RADIATED ENERGYNo. of sto: 19 Focal mech. F Energy 9.0±1.5*10»»12 Nm

MOMENT TENSOR SOLUTIONDep 6 No. of sto: 23P r i nc i poI Axes:

Scale 10**18 NmT Vol- 1.47 Pig-53 Azm-336 N 0.47 4 241 P -1.94 36 148

Best Double Coup Ie:Mo-1.7»10»* 18 NP1:Strike-2 16 Dip- 9 SI ip- 65 NP2: 61 82 94

CENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 36S, 82C M.W.: 14S, 14CCent ro i d Locot i on:Or igi n T ime 05:02:39.3 0. 1Lot 51.13N 0.01 Lon 177.85W 0.02

Dep 15.0 BDY Ho If-durotion 2.6 Pr i nc i poI Axes:

Scale 10«»17 Nm T Vol- 11.92 Pig-60 Azm-317 N -0.41 7 59 P -11.51 29 154

Best Double Coup Ie:Mo-1.2»10**18 NP1:Strike-264 Dip-17 Slip- 116 NP2: 57 75 82

01 08 18 51.77 39.035S 74.911W 28km 5.6mb ( 22 obs.) 5.0Msz ( 11 obs.) OFF COAST OF CENTRAL CHILE CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 26S, 47C Centroid Location: Origin Time 08:18:52.2 0.4 Lot 39.04S FIXjLon 74.96W FIX Dep 15.0 FIX Half-duration 1.6 Pr i nc i pa I Axes:

Scale 10»«17 Nm T Vol- 2.00 Pig- 9 Azm-278 N -0.14 25 184 P -1.86 63 26

Best Double Coup Ie:Mo-1.9*10»*17

OCT 1992 PAGE 20

NP1:Strike- 35 Dip-42 Slip- -51 NP2: 167 58 -120

01 18 15 40.89 53.655S 51.684W 10km5.3mb ( 11 obs.) 5.4Msz ( 5 obs.)SOUTH ATLANTIC OCEANCENTROID, MOMENT TENSOR (HRV)Doto Used: GDSNL.P.B.: 32S, 61CCent roi d Locot i on:Origin Time 18:15:48.2 0.2Lot 54.00S 0.03 Lon 51.38W 0.06Dep 15.0 FIX Hoif-durotion 1.4Pr i nc i poI Axes:

Scole 10«*17 Nm T Vol- 2.08 Pig-13 Azm-289 N 0.20 59 176 P -2.27 28 26

Best Double Coup Ie.Mo-2.2*10**17 NPl:Strike- 64 Dip-61 Slip- -11 NP2: 160 81 -150

02 10 50 46.19 30.820S 177.557W 33km 5.1mb ( 20 obs.) 5.3Msz ( 25 obs.) KERMADEC ISLANDS, NEW ZEALAND CENTROID, MOMENT TENSOR (HRV) Doto Used: GDSN L.P.B.: 28S, 53C Centroid Locotion:Origin Time 10:50:47.7 0.5Lot 30.79S 0.07 Lon 177.23W 0.05Dep 15.0 FIX Hoif-durotion 1.2Pr i nc i poI Axes:

Scole 10**17 NmT Vol- 1.62 Pig-63 Azm-275N 0.14 5 15P -1.76 26 108

Best Double Coup Ie.Mo-1.7*10** 17NP1:Strike-210 Dip-19 Slip- 106NP2: 13 72 85

02 19 29 55.14 0.304N 122.618E 107km5.2mb ( 42 obs.)MINAHASSA PENINSULA, SULAWESICENTROID, MOMENT TENSOR (HRV)Doto Used: GDSNL.P.B.: 21S, 29CCentroid Locotion:Origin Time 19:29:59.0 0.7Lot 0.72N 0.05 Lon 122.72E 0.07Dep 90.1 5.8 Ho If-durotion 1.0Pr i nc i poI Axes:

Scole 10**16 NmT Vol- 4.55 Pig-57 Azm-242 N -0.70 24 109 P -3.85 22 9

Best Double Coup Ie:Mo-4.2*10**16 NP1:Strike- 63 Dip-32 Slip- 39 NP2: 298 71 115

05 01 51 47.91 15.357N 46.011W 10km 5.0mb ( 43 obs.) 4.8Msz ( 24 obs.) NORTHERN MID-ATLANTIC RIDGE CENTROID. MOMENT TENSOR (HRV) Doto Used: GDSN L.P.B.: 15S, 19C Centroid Locotion: Or igin Time 01:51:53.6 0.6 Lot 15.28N 0.07 Lon 45.73W 0.05 Dep 15.0 FIX Hoif-durotion 1.3 Pr i nc i poI Axes:

Scole 10**16 NmT Vol- 8.78 Pig- 0 Azm-228N -0.02 90 180P -8.76 0 138

Best Double Coup Ie.Mo-8.8*10** 16NPi :St r i ke-273 Dip-90 Slip 180NP2: 3 90 0

06 10 28 22.92 5.425S 151.175E 50km 5.8mb ( 90 obs.) 5 8Msz ( 39 obs.) NEW BRITAIN REGION, P.N.G. FAULT PLANE SOLUTION: P-Woves NP1:Strike- 65 Dip-45 Slip- 90 NP2: 245 45 90

Pr i nc i poI Axes:T Pig-90 Azm- 0 P 0 155

Comment: The focol mechonism is poorly controlled and corresponds to reverse faulting. The preferred fault plane is not determined.

RADIATED ENERGY No. of sta: 15 Focal mech.Energy 1.2±0.2*10** 13 Nm

MOMENT TENSOR SOLUTIONDep 48 No. of sto: 22Pr i nc i poI Axes:

Scole 10**18 Nm T Vol- 1.97 Pig-86 Azm-217 N -0.06 3 72 P -1.91 2 342

Best Double Couple:Mo-1.9*10*»18 NP1:Strike- 69 Dip-43 Slip- 86 NP2: 255 47 94

CENTROID, MOMENT TENSOR (HRV)Doto Used: GDSNL.P.B.: 39S, 94CCentroid Locotion:Origin Time 10:28:31.0 0.2Lot 5.63S 0.02 Lon 151.58E 0.02Dep 40.0 BDY Ha If-durotion 2.6Pr i nc i poI Axes:

Scole 10**18 Nm T Val- 1.39 Pig-78 Azm- 31 N 0.18 10 245 P -1.57 7 154

Best Double Coup Ie:Mo-1.5*10** 18 NP1:Strike-233 Dip-39 Slip- 74 NP2: 73 53 103

06 17 19 08.38 51.171N 177.872W 33km 5.3mb (112 obs.) 5.2Msz ( 40 obs.) ANDREANOF ISLANDS, ALEUTIAN IS. CENTROID. MOMENT TENSOR (HRV) Doto Used: GDSN L.P.B.: 33S, 54C Cent ro i d Locot i on: Origin Time 17:19: 8.2 0.3 Lot 51.11N 0.05 Lon 177.67W 0.06 Dep 15.0 FIX Hoif-durotion 1.2 Pr i nc i poI Axes:

Scole 10**16 Nm T Vol- 10.51 Pig- 4 Azm-240 N -0.30 75 345 P -10.21 15 149

Best Double Coup Ie:Mo-1.0* 1 0** 1 7 NP1:Strike-286 Dip-77 Slip 172 NP2: 194 83 -13

08 16 34 53.27 51.147N 177.872W 21km 5.6mb (129 obs.) S.SMsz ( 60 obs.) ANDREANOF ISLANDS, ALEUTIAN IS. CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 32S, 63C Centroid Locotion: Origin Time 16:34:56.7 0.2 Lot 51.22N 0.02 Lon 177.90W 0.04 Dep 15.0 FIX Half-durotion 1.6 Pr i nc i poI Axes:

Scole 10**17 NmT Vol- 4.73 Pig-24 Azm- 7N 0.06 2 98P -4.79 66 193

Best Double Coup Ie.Mo-4.8*10** 17NP1:Strike- 93 Dip-21 Slip- -96NP2: 279 69 -88

09 09 34 51.00 0.936S 15.966W 10km 5.3mb ( 40 obs.) 4 9Msz ( 12 obs.) NORTH OF ASCENSION ISLAND CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 23S, 33C Centroid Locotian: Origin Time 09:35: 0.1 0.4 Lot 0.78S 0.07 Lon 16.28W 0.06 Dep 15.0 FIX Hoif-durotion 1.0 Pr i nc i poI Axes:

Scole 10**17 Nm T Vol- 1.11 Pig-14 Azm- 90 N -0.04 28 352 P -1.08 58 203

Best Double Coup Ie:Mo-1.1 * 10** 17 NP1:Strike-213 Dip-40 Slip- -42 NP2: 338 65 -122

09 12 16 54.62 51 552N 176.867W 33km 5 3mb ( 79 obs.) 4.9Msz ( 37 obs.) ANDREANOF ISLANDS, ALEUTIAN IS. CENTROID, MOMENT TENSOR (HRV) Doto Used: GDSN L.P.B.: 35S, 64C Centroid Locotion:

Origin Time 12:16:59.5 0.2Lot 51.58N 0.02 Lon 176.69W 0.03Dep 47.0 1.9 Hoif-durotion 1.4Pr i nc i pa I Axes:

Scale 10**17 NmT Vol- 2.21 Pig-66 Azm-311N 0.01 6 55P -2.21 23 148

Best Double Couple:Mo-2.2*10«*17NP1:Strike-250 Dip-23 Slip- 106NP2: 53 68 84

10 09 50 11.63 20.656S 173.138W 37km5.2mb ( 48 obs.) 4.6Msz ( 16 obs.)TONGA ISLANDSCENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 16S. 28CCentroid Locotion:Origin Time 09:50:13.1 0.5Lot 20.56S FlX;Lon 173.19W FIXDep 25.1 4.4 Ho I f-durotion 1.0Pr i nc i poI Axes:

Scole 10<*16 NmT Vol- 7.57 Pig-17 Azm- 92 N -1.07 4 183 P -6.50 72 284

Best Double Coup Ie:Mo-7.0*10**16 NP1:Strike-176 Dip-28 Slip- -98 NP2: 5 62 -86

10 15 10 50.07 10.167S 161.171E 111km5.0mb ( 33 obs.)SOLOMON ISLANDSCENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 26S, 35CCentroid Locotion:Origin Time 15:10:54.4 0.5Lot 9.67S 0.07 Lon 161.43E 0.05Dep 99.0 2.7 Half-duration 1.0Pr i nc i poI Axes:

Scale 10*«16 NmT Vol- 4.79 Pig- 3 Azm-304 N 1.78 32 212 P -6.56 58 38

Best Double Coup Ie:Mo-5.7*10** 16 NP1:Strike- 63 Dip-51 Slip- -46 NP2: 186 56 -130

11 19 24 26.29 19.247S 168.948E 129km 6.4mb ( 91 obs.) 6.8Msz ( 43 obs.) VANUATU ISLANDS FAULT PLANE SOLUTION: P-Woves NP1:Strike-175 Dip-67 Slip- 90 NP2: 355 23 90


Comment: The focal mechonism is moderately wet I control led and corresponds to reverse faulting. The preferred fault pI one i s NP2.

RADIATED ENERGYNo. of sto: 16 Focol mech. M Energy 2.9±0.6*10** 15 Nm

MOMENT TENSOR SOLUTION Dep 152 No. of sto: 21 Pr i nc i poI Axes:


Best Double Coup Ie:Mo-5.3*10** 19NP1:Strike-284 Dip-59 Slip- 34NP2: 175 61 144

CENTROID. MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 40S, «*C M.W.: 38S, **C Cen t ro i d Locot i on: Origin Time 19:24:37.9 0.1 Lot 19.17S FIX;Lon 168.83E FIX Dep 141.1 0.3 Hoif-durotion 12.3 Pr i nc i poI Axes:

Scole 10**20 NmT Vol- 1.52 Pig-47 Azm-129N -0.11 32 357P -1.41 25 250

Best Double Coup Ie:Mo-1.5*10**20NP1:Strike-293 Dip-35 Slip- 21NP2: 185 78 123

PAGE 21 OCT 1992

11 23 20 34.77 50.458N 153.167E 285km 5.6mb (168 obs.) KURIL ISLANDSFAULT PLANE SOLUTION: P-Woves NP1:Strike-220 Dip-65 Slip- 30 NP2: 116 63 152

P r i nc i poI Axes:T Pig-38 Azm- 79 P 1 348

Comment: The focal mechanism is moderately we I I control led and corresponds to strike-slip faulting with a lorge reverse component. The preferred fault plane is not determined.

RADIATED ENERGYNo. of sta: 3 Focal mech. F Energy 4.7±2.6»10» 14 Nm

12 13 09 55.51 29.778N 31.144E 22km 5.9mb (162 abs.)- 5.3Msz ( 58 obs.) EGYPTFAULT PLANE SOLUTION: P-Waves NP1:Strike-190 Dip-62 Slip- -53 NP2: 312 45 -139

P r i nc i poI Axes:T Pig-10 Azm-254 P 56 150

Comment: The focal mechanism is moderately well controlled and corresponds to normal faulting with a lorge strike-slip component. The preferred fault plone is not determined.

RADIATED ENERGYNo. of sta: 11 Focol mech. F Energy 5.1 ± 1.4*10» 12 Nm

MOMENT TENSOR SOLUTION Dep 26 No. of sta: 20 P r i nc i pa I Axes:

Scole 10»*17 NmT Val- 5.08 Pig-16 Azm- 35 N -0.06 24 297 P -5.02 60 155

Best Double Coup Ie.Mo-5.0»10* 17 NP1:Strike-156 Dip-36 Slip- -45 NP2: 285 66 -117

CENTROID, MOMENT TENSOR (HRV) Data Used: GOSN L.P.B.: 32S. 70C Cen t ro i d Locot i on:Origin T ime 13:09:59.2 0.2 Lot 29.74N 0.03 Lon 30.63E 0.03 Dep 22.0 BDY Ho If-duration 2.0 P r i nc i pa I Axes:

Scole 10»»17 NmT Vol- 5.36 Pig- 3 Azm- 36N 0.39 10 305P -5.75 80 145

Best Double Couple.Mo-5 6»10»»17NP1:Strike-136 Dip-42 Slip- -75NP2: 297 49 -103

12 23 43 14.12 4.286S 153.040E 65km5.3mb ( 51 obs.)NEW IRELAND REGION, P.N.G.CENTROID. MOMENT TENSOR (HRV)Dota Used: GDSNL.P B.: 22S. 36CCen t ro i d Locot i on:Origin Time 23:43:15.4 0.5Lot 4.28S FIX;Lon 152.98E FIXDep 15.0 FIX Ha I f-durotion 1.3Pr i nc i pa I Axes:

Seale 10..16 NmT Vol- 13.56 Pig-28 Azm-330 N -0.22 37 216 P -13.34 40 87

Best Double Coup Ie.Ma-1.3»10» 17 NP1:Strike-112 Dip-38 Slip- -12 NP2: 211 83 -127

14 01 36 18.70 59 581S 25.979W 33km 5.0mb ( 9 obs.) 4.8Msz ( 3 obs.) SOUTH SANDWICH ISLANDS REGION CENTROID. MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 12S. 18C Cen t roi d Locot i on:Origin Time 01 :36:24.6 0 . 5 Lot 60.12S 0.09 Lan 25 22W 0.18 Dep 15.0 FIX Hoif-durotion 1.0 Pr i nc i pa I Axes:

Scale 10**16 NmT Vol- 12.20 Pig-59 Azm-237N -3.61 1 329P -8.60 31 59


14 07 56 20.45 46.476N 153.618E 41km5.2mb ( 93 obs.) 4.8Msz ( 34 obs.)KURIL ISLANDSCENTROID. MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 18S, 30CCen t roi d Local ion:Origin Time 07:56:23.6 0.3Lot 46.14N 0.06 Lon 153.63E 0.06Dep 20.1 2.4 Half-duration 1.0Pr i nc i pa I Axes:

Scale 10»»17 NmT Val- 1.47 Pig-66 Azm-255 N -0.19 22 54 P -1.28 8 147

Best Double Coup Ie:Ma-1.4*10** 17 NP1:Strike-261 Dip-42 Slip- 125 NP2: 38 57 63

15 14 40 23.31 19.157S 169.614E 20km5.3mb ( 33 abs.) 5.3Msz ( 26 obs.)VANUATU ISLANDSCENTROID. MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 18S, 32CCentroid Location:Origin Time 14.40:34.3 2.5Lot 18.39S 0.21 Lon 169.91E 0.08Dep 15.0 FIX Half-duration 1.3P r i nc i pa I Axes:

Scale 10*»17 NmT Val- 1.25 Pig- 0 Azm-226 N 0.13 0 136 P -1.38 90 180

Best Double Coup Ie.Ms-1.3»10» 17 NP1:Strike-316 Dip-45 Slip- -90 NP2: 136 45 -90

15 20 28 19.84 53.851S 6.900E 10km5.2mb ( 12 obs.) 4.9Msz ( 14 obs.)BOUVET ISLAND REGIONCENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 23S, 31CCent ro i d Loca t i on:Or ig in T ime 20. 28:21 . 1 0.5Lot 53 87S FIXjLon 6.88E FIXDep 15.0 FIX Half-duration 1.5P r i nc i pa I Axes:

Sea le 10»*17 NmT Vol- 1.14 Pig-18 Azm-196 N 0.71 22 98 P -1.85 60 322

Best Double Couple Mo-1 .5»10» 1 7 NP1:Strike-317 Dip-33 Slip- -46 NP2: 88 67 -114

15 22 37 05.91 14.537S 166.711E 25km 6.2mb ( 89 obs.) 6.7Msz ( 41 obs.) VANUATU ISLANDS FAULT PLANE SOLUTION: P-Woves NP1:Strike-166 Dip-67 Slip- 157 NP2: 265 69 25

Pr i nc i poI Axes:T Pig-32 Azm-126 P 1 35

Comment: The focol mechanism is paarly control led and corresponds to strike sIip faulting with o moderate reverse component. The preferred fault plane is not de termined.

RADIATED ENERGYNo. of sta: 18 Facol mech. F Energy 3.6±0.8»10» 14 Nm

MOMENT TENSOR SOLUTION Dep 67 No. af sto: 26 Pr i nc i pol Axes:

Scole 10»*19 NmT Val- 1.58 Pig-42 Azm-126N 0.00 43 272P -1.58 18 19

Best Double Coup Ie.Mo-1.6*10** 1 9NP1:Strike-154 Dip-46 Slip- 160

NP2: 258 75 46 CENTROID, MOMENT TENSOR (HRV) Data Used: GDSNL.P.B.: 41S, »»C M.W.: 36S, 79C Cent ro i d Locot i on: Origin Time 22:37:18.1 0. 1 Lot 14.44S 0.01 Lon 166.72E 0.01 Dep 51.5 0.5 Half-durotion 6.4 Pr i nc i pa I Axes:

Scale 10**19 NmT Val- 2.23 Pig-42 Azm-135N -0.46 46 298P -1.77 8 37

Best Double Couple:Mo-2.0»10** 19NP1:Strike-167 Dip-55 Slip- 153NP2: 273 68 39

16 05 02 51.69 51.314N 178.014W 33km 5.5mb (104 obs.) 4.9Msz ( 39 obs.) ANDREANOF ISLANDS. ALEUTIAN IS. CENTROID, MOMENT TENSOR (HRV) Doto Used: GDSN L.P.B.: 29S, 45C Cent ro i d Locot i on: Origin Time 05:02:53.5 0.4 Lot 51.38N 0.05 Lan 177.68W 0.08 Dep 19.7 3.0 Hoif-duration 1.3 Pr i nc i pa I Axes:

Scole 10»*17 Nm T Val- 2.07 Pig-65 Azm- 28 N -0.35 14 264 P -1.72 20 169

Best Double Coup Ie:Mo-1.9»10»* 17 NP1:Strike-235 Dip-28 Slip- 58 NP2: 91 67 106

16 05 54 30.07 35.526S 179.855W 31km 5.3mb ( 15 obs.) 5.4Msz ( 22 abs.) EAST OF NORTH ISLAND, N.Z. CENTROID, MOMENT TENSOR (HRV) Doto Used: GDSN L.P.B.: 30S, 51C Cent ro i d Locot i on: Origin Time 05:54:29.9 0.6 Lot 35.83S 0.08 Lan 179.31W 0.07 Dep 15.0 FIX Half-duration 1.6 P r i nc i pa I Axes:

Scale 10**17 Nm T Val- 2.79 Pig-59 Azm-264 N 0.23 13 16 P -3.02 28 113

Best Double Coup Ie:Mo-2.9*10** 17 NP1:Strik«-233 Dip-20 Slip- 129 NP2: 12 74 77

16 16 15 19.78 20.430S 169.255E 40km5.3mb ( 26 abs.) 4.9Msz ( 13 obs.)VANUATU ISLANDSCENTROID, MOMENT TENSOR (HRV)Doto Used: GDSNL.P.B.: 32S. 49CCen t roi d Locot i on:Origin T im« 16:15:24.4 0.4Lot 20.58S FIX;Lon 169.41E FIXDep 49.8 3.1 Ha If-durotion 1.1Pr i nc i pol Axes:

Scale 10*»16 Nm T Vol- 10.57 Pig-74 Azm-111 N 0.15 10 341 P -10.72 12 249

Best Double Coup Ie:Ma-1.1 10** 17 NP1:Strike-326 Dip-34 Slip- 72 NP2: 168 58 102

16 18 33 16.19 0.252N 122.432E 157km5.4mb ( 67 obs.)MINAHASSA PENINSULA, SULAWESICENTROID. MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 24S. 33CCent ro i d Lacat i on:Or igi n Time 18:33:19.7 0.6Lot 0.46N 0.05 Lon 122.45E 0.05Dep 160.5 1.7 Hoif-duratian 1.1Pr i nc i pa I Axes:

Sea Ie 10**16 NmT Val- 11.64 Pig-60 Azm-213 N -2.36 18 337 P -9.29 23 75

Best Double Coup Ie:Mo-1.0»10»*17 NP1:Strike-196 Dip-27 Slip- 132 NP2: 330 70 71

OCT 1992 PAGE 22

17 82 51 58.92 19 226S 169.553E 12km 5.8mb ( 79 obs.) 6.3Msz ( 37 obs.) VANUATU ISLANDS FAULT PLANE SOLUTION: P-Waves NP1:Strike-288 Dip-68 Slip- -22 NP2: 299 78 -156

Pr i nc i poI Axes:T Pig- 1 Azm- 69 P 31 160

Comment: The focol mechonism is poorly control led and corresponds to strike slip faulting with a moderate normal component. The preferred fault plane is not de te rmi ned.

RADIATED ENERGYNo. of sta: 11 Focal mech. F Energy 1.9±8.5*18* 14 Nm

MOMENT TENSOR SOLUTION Dep 25 No. of sta: 21 Pr i nc i poI Axes:

Scale 18**18 NmT Val- 2.41 Pig- 2 Azm-248N 8.81 64 342P -2.42 26 158

Best Double Coup Ie:Mo-2.4*18** 18NP1:Strike-296 Dip-71 Slip 162NP2: 288 73 -28

CENTROID. MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 35S, 93C M.W.: 27S, 41C Cent ro i d Loco t i an:Origin Time 82:51:59.3 8.1 Lot 19.82S 8.81 Lon 169.50E 8.81 Dep 15.8 FIX Half-duration 6.4 Pr i nc i pa I Axes:

Scale 18**18 NmT Val- 5.17 Pig-18 Azm- 44N 1.29 39 299P -6.46 45 153

Best Double Coup Ie.Mo-5.8*10**18NP1:Strike-177 Dip-44 Slip- -24NP2: 285 73 -132

17 85 47 58.11 19.239S 169.473E 33km5.2mb ( 23 obs.) 5.0Msz ( 8 obs.)VANUATU ISLANDSCENTROID. MOMENT TENSOR (HRV)Doto Used: GDSNL.P.B.: 26S, 42CCentraid Location:Origin Time 85:48: 1.9 8.7Lot 18.95S 8.88 Lon 169.93E 8.83Dep 15.0 FIX Half-duration 1.6Pr i nc i pa I Axes:

Scale 18**17 Nm T Val- 2.38 Pig- 8 Azm-227 N -8.44 98 188 P -1.86 8 137

Best Double Coup Ie.Mo-2.1 * 10** 17 NP1 : St r i ke-272 Dip-98 Slip 188 NP2: 2 98 8

17 08 32 48.51 6.845N 76.806W 14km 6.2mb (120 abs.) 6.7Msz ( 64 obs.) NORTHERN COLOMBIA FAULT PLANE SOLUTION: P-Woves NPl:Strike- 35 Dip-63 Slip- 98 NP2: 215 27 98


Comment: The focol mechanism is poorly controlled ond corresponds to reverse faulting. The preferred fault plane is not determined.

RADIATED ENERGYNo. of sta: 13 Focol mech. M Energy 9.5±2.5*18** 13 Nm

MOMENT TENSOR SOLUTION Dep 8 No. of s to: 15 Pr i nc i poI Axes:

Scale 18**18 NmT Val- 7.49 Pig-54 Azm-266N 8.48 31 54P -7.97 16 153

Best Double Coup Ie:Ma-7.7*18** 18NP1 :Strike-280 Dip-48 Slip- 143NP2: 39 67 56

CENTROID. MOMENT TENSOR (HRV)Data Used: GDSN

L.P.B.: 41S, **C M.W.: 29S, 71CCentroid Location:Origin Time 88:32:48.2 8.1Lot 7.22N 8.81 Lan 76.39W 8.81Dep 15.8 FIX Half-duration 5.1Pr i nc i pa I Axes:


Best Double Coup Ie:Mo-1.1 * 18** 19 NP1:Strike-262 Dip-45 Slip- 135 NP2: 28 68 55

17 18 18 23.88 19.334S 169.636E 36km5.3mb ( 29 obs.) 5.1Msz ( 27 obs.)VANUATU ISLANDSCENTROID. MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 13S, 17CCent ro i d Locat i an:Or ig i n T ime 18:18:26.1 1.1Lot 19.19S 8.11 Lan 169.53E 8.13Dep 15.8 FIX Half-duration 1.8Pr i nc i pa I Axes:

Scale 18**17 Nm T Val- 1.32 Pig-17 Azm- 2 N -8.85 25 188 P -1.26 59 241

Best Double Coup Ie:Mo-1.3*18** 17 NP1:Strike- 68 Dip-35 S I i p 1 36 NP2: 292 66 -63

18 80 58 85.88 18.822S 117.093E 27km 5.5mb ( 64 obs.) 5.1Msz ( 33 obs.) SOUTH OF SUMBAWA. INDONESIA CENTROID. MOMENT TENSOR (HRV) Doto Used: GDSN L.P.B.: 29S. 53C Cent raid Locat i an:Origin Time 00:58: 6.8 8.7Lot 18.96S 8.05 Lon 117 . 03E 8.84Dep 22.0 BDY Ha I f-durotian 1.4Pr i nc i pal Axes:


Best Double Coup Ie:Ma-2.4*10** 17NP1:Strike-296 Dip-37 Slip- 111NP2: 98 56 75

18 13 88 54.74 6.279S 138.214E 119km5.8mb ( 83 abs.)BANDA SEAFAULT PLANE SOLUTION: P-Waves NP1:Strike-318 Dip-78 Slip- 138 NP2: 57 51 26

Pr i nc i pa I Axes:T Pig-43 Azm-266 P 128

Comment: The focal mechanism is moderately well controlled and corresponds ta strike slip faulting with a large reverse component. The preferred fault plane is not determined.

RADIATED ENERGYNo. of sta: 13 Focal mech. F Energy 1.1±0.2*10**13 Nm

MOMENT TENSOR SOLUTIONDep 141 No. of sta: 13Pr i nc i pa I Axes:


Best Double Coup Ie:Mo-2.2*18** 18 NP1:Strike- 43 Dip-54 Slip- 27 NP2: 297 69 141

CENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 35S. 98CCentroid Location:Origin Time 13:09: 0.9 0.3Lot 6.30S 0.02 Lon 130.09E 0.82Dep 135.9 8.8 Ha If-durotion 2.9Pr i nc i pa I Axes:

Scale 18**18 NmT Val- 1.98 Pig-45 Azm-264 N 0.14 43 106 P -2.04 11 5

Best Double Couple Ma-2.0*18** 18

NPl:Strike- 56 Dip-51 Slip- 28 NP2: 387 69 137

18 15 11 59.11 7.875N 76.862W 18km 6.6mb (112 abs.) 7.3Msz ( 53 obs.) NORTHERN COLOMBIA FAULT PLANE SOLUTION: P-Waves NP1:Strike- 18 Dip-88 Slip- 15 NP2: 277 75 170

Pr i nc i pa I Axes:T Pig-18 Azm-234 P 3 143

Comment: The focal mechanism is poorly controlled and corresponds ta strike-slip faulting with a small reverse component. The preferred fault plane is not determined.

RADIATED ENERGYNo. of sta: 16 Focal mech. F Energy 3.3±0.6*10** 15 Nm

MOMENT TENSOR SOLUTION Dep 11 No. of sta: 16 Pr i nc i pa I Axes:

Scale 10**19 NmT Val- 8.34 Pig- 3 Azm- 66N 0.09 81 176P -8.43 8 336

Best Double Coup Ie:Mo-8.4*18** 19NP1 :St r i ke-1 1 1 Dip-82 Slip 176NP2: 21 86 -8

CENTROID. MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 38S. 97C M.W.: 33S. 86C Cent ro i d Locat i on: Origin Time 15:12:9.88.1 Lot 7.27N 8.ei Lan 76.34W 8.81 Dep 15.8 FIX Half-duration 5.1 Pr i nc i pa I Axes:


Best Double Coup Ie.Ma-5.7*18** 19NP1:Strike-278 Dip-45 Slip- 167NP2: 9 81 46

18 17 42 51.45 6.748S 185.682E 37km 5.8mb ( 82 abs.) 5.8Msz ( 14 obs.) SUNDA STRAITFAULT PLANE SOLUTION: P-Waves NP1:Strike- 88 Dip-72 Slip- 98 NP2: 268 18 98


Comment: The focal mechanism is poorly controlled and corresponds to reverse faulting. The preferred fault pi one is NP2.

19 18 11 18.83 3.159N 82.934W 10km5.2mb ( 52 abs.) 5.3Msz ( 26 obs.)SOUTH OF PANAMACENTROID. MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 32S, 71CCent raid Locot i on:Or igin Time 10:11:11.2 8.4Lot 2.87N 8.04 Lan 82.74W 0.83Dep 15.8 FIX Half-duration 2.8Pr i nc i pa I Axes:

Scale 18**17 Nm T Val- 3.64 Pig-83 Azm-355 N -8.88 2 246 P -3.56 6 156

Best Double Coup Ie:Ma-3.6*18** 17 NP1:Strike-243 Dip-39 Slip- 86 NP2: 68 51 93

19 12 83 38.13 19.385S 169.593E 21km 5.7mb ( 78 obs.) S.BMsz ( 44 abs.) VANUATU ISLANDSCENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 36S, 85C Centraid Location: Origin Time 12:03:36.0 8.4 Lot 19.35S 8.84 Lan 169.85E 0.82 Dep 15.8 FIX Ho If-duration 2.8 Pr i nc i pa I Axes:

Scale 18**18 Nm

PAGE 23 OCT 1992

T Val- 1.69 Pig- 5 Arm- 58N e.50 54 321P -2.19 36 152

Best Double Coup Ie:Mo-1.9*10**18NP1:Strike-189 Dip-62 Slip- -23NP2: 291 70 -150

20 04 03 42.22 55.379N 166.427E 28km 5.2mb ( 65 obs.) 5.1Msz ( 24 obs.) KOMANDORSKY ISLANDS REGION CENTROID. MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 30S, 57C Centroid Location:Origin Time 04:03:43.2 0.3Lot 55.48N 0.05 Lan 166.56E 0.07Dep 15.1 FIX Half-duration 1.3P r i nc i pa I Axes:

Scale 10«*17 NmT Val- 1.41 Pig-26 Azm- 80N 0.27 54 211P -1.67 24 338

Best Double CaupIe:Mo-1.5*10**17NP1:Strike-119 Dip-54 Slip- 179NP2: 209 89 36

20 04 40 01.72 55.520N 166.303E 27km 5.7mb (109 abs.) 5.9Msz ( 44 obs.) KOMANDORSKY ISLANDS REGION CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 38S, 87C Cen t ra i d Locali on:Origin Time 04:40: 4.2 0.2Lot 55 59N 0.03 Lon 166.31E 0.04Dep 16.7 2.8 Ho If-duration 2.4P r i nc i pa I Axes:

Scale 10»»17 NmT Val- 10.89 Pig-28 Azm- 79N 0.64 53 216P -11.53 21 337

Best Double Coup Ie:Mo-1.1 * 10*»18NP1:Strike-116 Dip-54 Slip- 174NP2: 210 85 36

20 07 18 49.83 24.495N 123.662E 21km 5.3mb ( 86 obs.) 4.9Msz ( 7 obs.) SOUTHWESTERN RYUKYU ISLANDS CENTROID, MOMENT TENSOR (HRV) Data Used: GOSN L.P.B.: 18S, 27C Centroid Location: Origin Time 07:18:51.7 0.7 Lot 24.51N 0.07 Lon 123.54E 0.09 Dep 30.2 4.4 Half-duration 1.1 Pr i nc i pa I Axes:


Best Double Coup Ie.Mo-8.6*10**16 NPl:Strike- 81 Dip-31 Slip- -95 NP2: 266 59 -87

20 15 47 56.23 24.453S 176 054W 64km5.8mb ( 57 obs.)SOUTH OF FIJI ISLANDSCENTROID, MOMENT TENSOR (HRV)Dato Used: GDSNL.P B.: 31S, 57CCen t ro i d Loca t i on:Origin Time 15:48: 0.2 0.4Lot 24.26S 0.04 Lon 175.81W 0.04Dep 72.9 3.2 Half-duration 1.4Pr i nc i pa I Axes:

Scale 10»*17 Nm T Val- 1.99 Pig-46 Azm-327 N 0.35 21 213 P -2.34 37 106

Best Double Coup Ie.Mo-2.2»10** 17 NP1:Strike-138 Dip-22 Slip- 13 NP2: 35 85 111

21 12 11 13.88 6 870S 144.174E 19km 5.9mb 99 obs.) 6.0Msz ( 57 obs.) NEW GUiNEA, PAPUA NEW GUINEA FAULT PLANE SOLUTION: P-Waves NP1:Strike-345 Dip-60 Slip- 128 NP2: 108 47 43

P r i nc i pa I Axes:T Pig-57 Azm-308 P 7 49

Comment: The focal mechanism is

paorly controlled and corresponds ta reverse faulting with a large strike- slip component. The preferred fault plane is not determined.

RADIATED ENERGYNo. af sta: 13 Focal mech. F Energy 2.0±0.5*10** 13 Nm

MOMENT TENSOR SOLUTIONDep 7 No. of sta: 19P r i nc i pa I Axes:


Best Double CaupIe:Ma-2.1«10**18 NP1:Strike-135 Dip-37 Slip- 69 NP2: 340 56 105

CENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 37S, 98C M.W.: 27S, 46CCen t ro i d Laca t i an:Origin T ime 12:11:21.40.1Lot 6.91S 0.01 Lon 144.18E 0.01Dep 16.5 BDY Half-duration 2.9Pr i nc i pa I Axes:


Best Double Coup Ie.Mo-2.0*10** 18 NP1:Strike-310 Dip-45 Slip- 119 NP2: 91 52 64

22 09 04 23.40 30.227S 177.205W 26km 6.0mb ( 75 obs.) 6.6Msz ( 69 obs.) KERMADEC ISLANDS, NEW ZEALAND FAULT PLANE SOLUTION: P-Woves NP1:Strike- 20 Dip-75 Slip- 90 NP2: 200 15 90


Comment: The focal mechanism is poorly controlled and corresponds ta reverse faulting. The preferred fault pI one i s NP2.

RADIATED ENERGYNo. of sta: 15 Focal mech. C Energy 4.7±0.8*10»*13 Nm

MOMENT TENSOR SOLUTION Dep 4 Na. of sta: 24 P r i nc i pa I Axes:

Scale 10»*18 Nm T Val- 6.22 Pig-53 Azm-274 N 0.04 22 35 P -6.26 28 138


CENTROID, MOMENT TENSOR (HRV) Data Used: GDSNL.P.B.: 39S, **C M.W.: 33S, 63C Cen t ra i d Locat i an: Origin Time 09.04:30.8 0.1 Lot 29 74S 0.01 Lon 176.73W 0.01 Dep 15.0 FIX Half-duration 4.5 Pr i nc i pa I Axes :

Scale 10*«18 Nm T Val- 7.66 Pig-62 Azm-280 N 0.19 2 13 P -7.86 28 104

Best Double Coup Ie:Mo-7.8*10*»18 NP1 :Strike-199 Dip-17 Slip- 96 NP2: 13 73 88

22 18 25 56.41 4.222S 126.155E 316km5.4mb ( 83 obs. )BANDA SEACENTROID, MOMENT TENSOR (HRV)Data Used: GOSNL.P.B.: 23S. 36CCen t ra i d Loca t i an:Or igi n Time 18:26: 2.90.9Lot 4.09S 0.06 Lan 126.03E 0.05Dep 332.1 2.1 Half-duration 1.0Pr i nc i pa I Axes:

Scale 10**16 NmT Val- 8.44 Pig- 2 Azm-191 N 1.01 14 100 P -9.45 75 287

Best Double Couple Mo-8.9*10** 16

NP1:Strike-295 Dip-45 Slip- -69 NP2: 87 48 -109

22 18 56 39.05 30.101S 177.271W 10km 5.3mb ( 12 obs.) 5.2MSZ ( 6 obs.) KERMADEC ISLANDS. NEW ZEALAND CENTROID. MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 28S, 48C Cent ra i d Locali an: Origin Time 18:56:47.8 0.5 Lot 29.49S 0.05 Lan 177.11W 0.04 Dep 18.9 2.2 Half-duration 1.5 Pr i nc i pal Axes:



22 23 08 27.18 30.125S 177.000W 16km 5.7mb ( 62 obs.) 6.4Msz ( 61 obs.) KERMADEC ISLANDS. NEW ZEALAND FAULT PLANE SOLUTION: P-Waves NP1:Strike- 20 Dip-76 Slip- 90 NP2: 200 14 90

Principal Axes:T Pig-59 Azm-290 P 31 110

Comment: The focal mechanism is poorly controlled and corresponds to reverse faulting. The preferred foult pI one i s NP2.

RADIATED ENERGYNo. of sto: 11 Focal mech. M Energy 2.0±0.5*10** 13 Nm


Scale 10*»18 Nm T Val- 6.41 Pig-59 Azm-285 N 0.14 6 24 P -6.55 30 117


CENTROID, MOMENT TENSOR (HRV) Data Used: GDSNL.P.B.: 39S. **C M.W.: 32S. 51C Centraid Location: Origin Time 23:08:36.0 0.1 Lot 29.59S 0.01 Lan 176.61W 0.01 Dep 15.0 FIX Half-duration 4.0 P r i nc i pa I Axes:

Sea Ie 10**18 NmT Val- 4.85 Pig-65 Azm-264N 0.28 9 13P -5.13 23 107

Best Dauble Coup Ie:Mo-5.0*10** 18NP1:Strike-214 Dip-23 Slip- 113NP2: 9 69 81

23 04 27 51.93 29.574S 176.829W 33km 4.9mb ( 8 obs.) 5.3Msz ( 1 obs.)KERMADEC ISLAND'S REGION CENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 12S, 16CCentroid Location:Origin Time 04:28: 1.9 3.1Lot 29.12S 0.18 Lon 177.03W 0.26Dep 27.6 7.4 Half-duration 1.1Pr i nc i pa I Axes:

Scale 10»»17 Nm T Val- 1.56 Pig-60 Azm-301 N -0.37 12 190 P -1.19 27 94

Best Double CaupIe:Mo-1.4*10** 17 NP1:Strike-156 Dip-21 Slip- 54 NP2: 13 73 102

23 09 11 09.00 31.355N 4.318W 29km 5.3mb ( 88 obs.) 5.2Msz ( 30 abs.) MOROCCOCENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 30S, 57C Cent ro i d Loca t i an:Origin Time 09:11:10.8 0.4 Lot 31.10N 0.04 Lon 4.26W 0.03

OCT 1992 PAGE 24

Dep 33.6 3.4 Half-duration 1.5 Pr i nc i pa I Axes:

Scale ie**l7 NmT Vol- 2.49 P!g-24 Azm- 48N -6.27 65 246P -2.23 7 141


23 69 28 62.47 6.659N 77.193W 16km 5.2mb ( 54 abs.) 4.9Msr ( 4 abs.) NEAR WEST COAST OF COLOMBIA CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: IBS, 14C Cent raid Lacat i an:Origin Time 09:28: 9.6 1.9 Lot 6.66N FIX;Lon 77.24W FIX Dep 15.e FIX Half-duration 1.1 Pr i nc i pa I Axes:

Scale 16*»17 NmT Val- 1.63 Pig-54 Arm- 37N 6.61 24 269P -2.23 25 168

Best Double Coup Ie:Ma-1.9*1e*»17NP1:Strike-217 Dip-29 Slip- 34NP2: 97 74 115

23 13 64 46.71 5.352S 152.616E 31km 5.8mb ( 89 abs.) 6.5Msz ( 64 abs.) NEW BRITAIN REGION, P.N.G. CENTROID, MOMENT TENSOR (HRV) Dota Used: GDSNL.P.B.: 38S, 93C M.W.: 25S. 47C Cent ra i d Loca t i on: Origin Time 13:04:48.9 0.1 Lot 5.38S 0.01 Lon 152.72E 0.01 Dep 15.0 FIX Half-duration 4.2 Pr i nc i pa I Axes:

Scale 10*»18 NmT Val- 4.88 Pig-31 Azm- 10N 0.35 51 233P -5.22 21 114

Best Double CaupIe:Mo-5.1 *10»*18NP1:Strike-155 Dip-52 Slip- 8NP2: 60 84 141

23 15 29 12.68 5.282S 152.639E 33km5.6mb ( 64 abs.) 5.6Msr ( 43 abs.)NEW BRITAIN REGION, P.N.G.CENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 19S. 34CCentraid Location:Or igin T ime 15:29:21 .4 0.7Lot 5.415 0.10 Lon 152.65E 0.05Dep 32.7 5.5 Half-duration 2.3Pr i nc i pa I Axes:

Scale 10»»17 NmT Val- 7.11 Pig-45 Azm-354 N -1.53 30 230 P -5.58 31 120

Best Double Coup Ie:Mo-6.3*10*»17 NP1:Strike-158 Dip-31 Slip- 15 NP2: 54 82 120

23 19 16 42.83 5.327S 152.661E 30km5.5mb ( 63 abs.) 5.4Msz ( 39 obs.)NEW BRITAIN REGION, P.N.G.CENTROID, MOMENT TENSOR (HRV)Dota Used: GDSNL.P.B.: 32S, 56CCent ro i d Loca t i an:Origin Time 19:16:44.5 0.8Lot 5.61S 0.11 Lon 152.89E 0 05Dep 15.0 FIX Half-duration 1.7Pr i nc i pa I Axes:

Scale ie**17 NmT Val- 4.23 Pig-47 Azm-342 N -0.21 2 74 P -4.03 43 167

Best Double Couple.Ma-4.1»10»*17 NP1:Strike-303 Dip- 3 Slip- 139 NP2: 74 88 88

23 21 24 36.14 9.469S 122.560E 33km6.0mb ( 88 abs.) 5.6Msz ( 42 obs.)SAVU SEAFAULT PLANE SOLUTION: P-Waves NP1:Strike-315 Dip-74 Slip- -29 NP2: 54 62 -162

Pr i nc i pa I Axes:

T PIg- 8 Azm- 6 P 32 272

Comment: The facal mechanism is moderately well controlled and corresponds to strike slip faulting with a moderate normal component. The preferred fault plane is not de term!ned.



Sea Ie 10»*18 NmT Val- 1.65 Pig- 6 Azm- 18 N -0.15 47 114 P -1.49 42 283

Best Double Coup Ie:Ma-1.6*10»* 18 NPl:Strike- 70 Dip-57 Slip 151 NP2: 323 66 -37

CENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 43S, **CCentraid Location:Or igi n T ime 21:24:47.1 0.2Lot 9.38S 0.02 Lan 122.75E 0.02Dep 65.3 1.5 Half-duration 3.0P r i nc i pa I Axes:

Scole 10»»18 NmT Val- 2.05 Pig-13 Azm- 18 N -0.34 45 121 P -1.71 42 276

Best Double Couple:Mo-1.9*10** 18 NPl:Strike- 67 Dip-51 Slip 156 NP2: 321 71 -42

23 23 19 45.20 42.589N 45.104E 16km 6.1mb (143 abs.) 6.5Msz ( 42 abs.) EASTERN CAUCASUS FAULT PLANE SOLUTION: P-Waves NPl:Strike- 65 Dip-74 Slip- 90 NP2: 245 16 90

P r i nc i pa I Axes:T Pig-61 Azm-335 P 29 155

Comment: The facal mechanism is poorly controlled and corresponds to reverse faulting. The preferred fault pi one i s NP2.

RADIATED ENERGYNo. af sta: 19 Focal mech. F Energy 3.5±0.8»10** 13 Nm

MOMENT TENSOR SOLUTION Dep 12 Na. of sta: 19 P r i nc i poI Axes:

Scale 10*«18 NmT Val- 4.07 Pig-62 Azm-335N 0.03 1 243P -4.11 28 152

Best Double Coup Ie.Ma-4.1 * 10**18NP1:Strike-238 Dip-17 Slip- 86NP2: 63 73 91

CENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 43S, **C M.W.: 22S, 35C Centraid Location:Origin Time 23:19:49.9 0.2 Lot 42.67N 0.01 Lon 45.01E 0.02 Dep 15.0 BDY Half-duration 3.4 Pr i nc i pa I Axes:

Scale 10»*18 NmT Val- 5.03 Pig-51 Azm-325N -0.21 10 68P -4.83 37 166

Best Double Coup Ie:Mo«4.9*10**18NP1:Strike-302 Dip-13 Slip- 144NP2: 67 83 80

24 08 23 01.12 29.536S 177.279W 19km 5.8mb ( 63 obs.) 6.2Msz ( 53 abs.) KERMADEC ISLANDS, NEW ZEALAND FAULT PLANE SOLUTION: P-Waves NP1:Strike-318 Dip-58 Slip- 75 NP2: 165 35 112


Comment: The focal mechanism is moderately well controlled ond corresponds to reverse

faulting with a small strike- slip component. The preferred fault plane is not determined.

RADIATED ENERGYNo. af sta: 9 Focal mech. M Energy 4.1±1.3*10**13 Nm


Scale 10»»18 NmT Val- 4.81 Pig-76 Azm-174N 1.15 11 315P -5.96 8 47

Best Double Cauple:Ma-5.4*10**18NP1:Strike-149 Dip-38 Slip- 108NP2: 307 54 77

CENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 31S, 82C M.W.: 26S, 46C Cent ra i d Laca t i on: Origin Time 08:23:14.7 0.1 Lot 29.74S 0.01 Lan 177.02W 0.01 Dep 19.7 0.4 Half-duration 4.5 P r i nc i pa I Axes:


Best Double Couple:Mo-8.7*10** 18NP1:Strike-202 Dip-22 Slip- 97NP2: 15 69 87

24 18 59 57.21 5.759S 145.449E 110km5.6mb ( 66 obs.)EASTERN NEW GUINEA REG., P.N.G.CENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 27S, 37CCentroid Location:Origin Time 19:00: 2.4 0.9Lot 5.74S 0.09 Lon 145 42E 0.06Dep 102.2 4.0 Half-duration 1.1P r i nc i pa I Axes:

Scale 10**16 NmT Val- 10.74 Pig-25 Azm-214 N -3.26 57 78 P -7.48 20 314

Best Double Coup Ie:Ma-9.1 * 10**16 NP1:Strike-355 Dip-57 Slip- 4 NP2: 263 87 147

24 22 16 07.83 11.829N 142.050E 43km 5.5mb ( 71 obs.) 4.9Msz ( 32 abs.) SOUTH OF MARIANA ISLANDS CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 32S. 54C Centraid Location:Origin Time 22:16: 8.2 0.5 Lot 11.81N 0.05 Lan 142.15E 0.04 Dep 21.6 2.7 Half-duration 1.4 Pr i nc i poI Axes:

Scale 10**17 NmT Val- 1.53 Pig-57 Azm- 4N 0.07 8 261P -1.60 32 166

Best Double Cauple:Ma-1.6*10*»17NP1:Strike-229 Dip-15 Slip- 57NP2: 83 77 98

24 23 00 28.70 30.090S 177.215W 10km 5.5mb ( 42 abs.) 5.2Msz ( 22 abs.) KERMADEC ISLANDS, NEW ZEALAND CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 36S, 61C Cent raid Locat i on:Origin Time 23:00:34.5 0.4 Lot 29.76S 0.05 Lon 176.93W 0.03 Dep 20.7 1.7 Half-duration 1.4 Pr i nc i pa I Axes:

Scale 10»»17 NmT Vol- 2.08 Pig-68 Azm-299N 0.31 6 194P -2.40 21 101

Best Double Couple:Mo-2.2*10»*17NP1:Strike-179 Dip-24 Slip- 74NP2: 16 67 97

25 00 29 18.37 29.900S 177.352W 26km 5.7mb ( 49 obs.) 5.8Msz ( 42 obs.) KERMADEC ISLANDS, NEW ZEALAND CENTROID, MOMENT TENSOR (HRV)

PAGE 25 OCT 1992

Data Used GDSNL.P.B.: 41S, *»CCentroid Location:Origin Time 90: 29:24.9 0.2Lot 29.59S 0.03 Lon 177.16W 0.02Dep 22.9 1.1 Half-durotion 2.4Pr i nc i poI Axes:

Scole 10»*17 Nm T Vol- 9.85 Pig-69 Azm-272 N 2.11 4 13 P -11.96 21 105

Best Double Coup Ie:Mo-1.1 *10»»18 NP1:Strike-203 Dip-25 Slip- 100 NP2: 11 66 85

26 13 29 51.24 3.082S 138.892E 79km5.1mb ( 29 obs.)IRIAN JAYA, INDONESIACENTROID, MOMENT TENSOR (HRV)Dota Used: GDSNL.P.B.: 13S, 15CCent ro i d Locat i on:Origin Time 13:29:51.6 1.6Lot 2.84S 0.13 Lon 139.35E 0.13Dep 57.914.4 Half-duration 1.0P r i nc i pa I Axes:


Best Double Coup Ie:Mo-3.8*10»*16 NP1:Strike-332 Dip-38 Slip- 119 NP2: 117 58 69

26 14 47 11.15 17.910S 179.750E 629km4.9mb ( 27 obs. )FIJI ISLANDSCENTROID, MOMENT TENSOR (HRV)Doto Used: GDSNL.P.B.: 20S, 32CCent ro i d Loco t i on:Origin Time 14:47:27.2 2.0Lot 16.86S 0.15 Lon 179.82E 0.12Dep 642.5 4.3 Half-duration 1.2P r i nc i poI Axes:

Scale 10»*16 NmT Vol- 11 87 Pig-57 Azm-215 N 2.32 29 66 P -14.19 14 328

Best Double Couple Mo-1.3*10** 17 NP1:Strike- 24 Dip-40 Slip- 41 NP2: 261 65 123

28 07 02 09.31 19.004N 96 277E 34km5.6mb (117 obs.) 5.2Msz ( 31 obs.)MYANMARCENTROID, MOMENT TENSOR (HRV)Dota Used: GDSNL.P.B.: 21S, 39CCentroid Locotion:Origin Time 07:02:11.3 0.5Lot 18 88N FIX;Lon 96.29E FIXDep 48.9 5.3 Half-duration 1.2Pr i nc i poI Axes:

ScoIe 10**17 NmT Vol- 1.31 Pig-22 Azm-289 N 0.37 65 142 P -1.69 13 24

Best Double Coup Ie:Mo-1.5*10** 17 NP1:Strike- 6B Dip-65 Slip- 7 NP2: 335 84 155

29 04 48 50.47 17.560S 179.089W 561km5.1mb ( 37 obs.)FIJI ISLANDS REGIONCENTROID, MOMENT TENSOR (HRV)Dota Used: GDSNL.P.B.: 15S, 16CCentroid Location:Or i gi n T i me 04 48:54.8 1 .2Lot 17 23S 0.23 Lon 179.45W 0.16Dep 592.6 5.9 Half-duration 1.1P r i nc i poI Axes:

Scale 10**17 NmT Val- 1.20 Pig-13 Azm-127 N -0.19 70 359 P -1.01 15 220

Best Double Coup Ie.Mo-1.1 * 10» 17 NP1:Strike-263 Dip-70 Slip- -2 NP2: 354 88 -160

29 07 29 57.64 6.834N 124.006E 33km 5.8mb ( 56 obs.) 5.8Msz ( 43 obs.)

MINDANAO, PHILIPPINE ISLANDSCENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 41S, **CCent ro i d Locot i on:Origin Time 07:30: 3.5 0.2Lot 6.85N 0.02 Lon 124.10E 0.02Dep 36.1 1.4 Half-durotion 3.2Pr i nc i pa I Axes:

Scale 10**18 Nm T Val- 2.49 Pig-72 Azm- 88 N 0.22 1 180 P -2.71 18 270


29 14 00 16.52 2.252S 141.181E 35km 5.2mb ( 31 obs.) 4.8Msz ( 18 obs.) NEAR N COAST OF NEW GUINEA, PNG. CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 21S, 35C Cent ro i d Locali an:Origin Time 14:00:17.3 0.7Lot 2.43S 0.05 Lon 141.21E 0.06Dep 15.0 FIX Half-duration 1.3Pr i nc i poI Axes:

Scole 10**17 NmT Val- 1.08 Pig- 6 Azm-355N -0.47 10 264P -0.61 78 117

Best Double Coup Ie:Mo-0.8*10**17NP1 :Str i ke- 96 Di p-40 Slip- -75NP2: 256 52 -102

29 14 39 17.41 29.225S 71.222W 46km 5.5mb ( 30 obs.) 4.7Msz ( 16 abs.) NEAR COAST OF CENTRAL CHILE CENTROID, MOMENT TENSOR (HRV) Doto Used: GDSN L.P.B.: 22S, 38C Cent ro i d Locot i on:Origin Time 14:39:20.0 0.3Lot 29.50S 0.05 Lon 7 1 .29W 0.07Dep 53.5 6.1 Ha If-durotion 1.1P r i nc i poI Axes:


Best Double Coup Ie:Mc-1.1 10.*17NP1:Strike-130 Dcp-1 7 Slip- -11NP2: 231 87 -107

30 02 49 48.17 29.941N 138.975E 393km6.0mb (188 obs. )SOUTH OF HONSHU, JAPANFAULT PLANE SOLUTION: P-Woves NP1:Strike-293 Dip-71 Slip- -55 NP2: 48 39 -149

P r i nc i poI Axes :T Pig-19 Azm-358 P 51 243

Comment: The focol mechanism is moderately wel I control led and corresponds to narmol faulting with o large strike-slip component. The preferred foult plane is not determined.

RADIATED ENERGYNo. of sto: 11 Focal mech. F Energy 6.3±1.8*10** 14 Nm

MOMENT TENSOR SOLUTIONDep 400 No. of sta: 19Pr i nc i poI Axes:

Scale 10**18 NmT Val- 4.68 Pig-27 Azm- 25 N 1.47 22 126 P -6.16 54 250

Best Double Coup Ie:Mo-5.4*10..18 NP1:Strike- 74 Dip-27 Slip 145 NP2: 312 75 -67

CENTROID, MOMENT TENSOR (HRV)Dota Used: GDSNL.P.B.: 33S, 88CCentroid Locotion:Origin Time 02:49:51.6 0.2Lot 29.92N 0.01 Lon 139 20E 0.01Dep 407.8 0.8 Half-duration 4.0Pr i nc i poI Axes:

Scole 10**18 Nm T Val- 4.83 Pig-19 Azm-354

N 0.10 34 97P -4.93 50 240

Best Double Coup Ie:Mo-4.9*10**18NP1:Strike- 43 Dip-40 Slip 150NP2: 290 72 -54

30 10 15 34.39 5.460S 151.239E 75km5.1mb ( 38 abs.)NEW BRITAIN REGION, P.N.G.CENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 18S, 28CCentraid Location:Origin Time 10:15:40.3 0.7Lot 5.45S FIX;Lon 151.15E FIXDep 37.1 7.2 Half-duration 1.1Pr i nc i pa I Axes:


Best Double Couple:Mo-1.0*10**17 NP1:Strike-208 Dip-34 Slip- 27 NP2: 95 75 121

30 10 43 58.42 31.284N 4.372W 26km5.1mb (103 obs.) 5.2Msz ( 27 abs.)MOROCCOCENTROID, MOMENT TENSOR (HRV)Doto Used: GDSNL.P.B.: 33S, 65CCentroid Location:Origin Time 10:44: 2.6 0.3Lot 31.15N 0.04 Lon 4.33W 0.02Dep 27.4 2.4 Ho If-durotion 1.6Pr i nc i poI Axes:

ScoIe 10**17 Nm T Val- 3.12 Pig-15 Azm- 47 N -0.37 72 192 P -2.75 10 314


30 14 56 16.97 31.810S 178.076W 52km5.3mb ( 15 obs.)KERMADEC ISLANDS REGIONCENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 19S, 28CCent ro i d Local ion:Or ig i n T ime 14:56:18.8 0.7Lot 31.39S 0.10 Lon 178.01W 0.06Dep 43.2 5.3 Ha If-durotion 1.0P r i nc i pa I Axes:


Best Double Couple:Mo-8.1 10* 16 NP1:Strike-201 Dip-21 Slip- 101 NP2: 9 69 86

30 16 53 52.59 7 878S 107.050E 65km5.1mb ( 34 obs.)JAWA, INDONESIACENTROID, MOMENT TENSOR (HRV)Dato Used: GDSNL.P.B.: 22S, 30CCent ro i d Locot ion:Origin Time 16:53:49.9 1.1Lot 8.80S 0.08 Lon 107.00E 0.10Dep 30.0 4.6 Ho If-durotian 1.0Pr i nc i pa I Axes:

Sco I e 10**16 NmT Vol- 8.18 Pig-57 Azm- 48 N 0.04 16 291 P -8.22 27 192


31 14 34 22.48 2.321S 141.262E 6km 5.9mb ( 92 obs.) 6.4Msz ( 54 obs.) NEAR N COAST OF NEW GUINEA, PNG. FAULT PLANE SOLUTION: P-Woves NP1:Strike-230 Dip-58 Slip 130 NP2: 108 49 -44

Pr i nc i poI Axes:T Pig- 5 Azm-347 P 57 85

Comment: The focal mechanism is poorly controlled ond

OCT 1992 PAGE 26

corresponds to normal faulting with a large strike slip component. The preferred fault plane is not determined.

RADIATED ENERGYNo. of sta: 14 Focal mech. F Energy 9.5±1.9*10**13 Nm

MOMENT TENSOR SOLUTIONDep 32 No. of sta: 18Pr i nc i pa I Axes:


Best Double Coup Ie:Mo-6.1 10* 18 NP1:Strike- 51 Dip-39 Slip- -97 NP2: 240 51 -84

CENTROID. MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 43S, *»C M.W.: 34S, 67CCent ro i d Locali an:Origin Time 14:34:32.5 0.1Lot 2.16S 0.01 Lon 141.46E 0.01Dep 15.0 FIX Half-duration 4.3

Pr i nc i pa I Axes: Scale 10»»18 Nm T Val- 6.15 Pig- 4 Azm-356 N 0.16 13 87 P -6.32 76 248

Best Double Cauple:Mo-6.2*10**18 NP1:Strike- 72 Dip-42 Slip 110 NP2: 279 51 -73

Corrected Entry to the September 1992 Monthly Listing

DAY ORIGIN TIMEUTC

HR MN SEC

GEOGRAPHICCOORDINATESLAT LONG


MB Msz

NO. STA USED

f 02 00 16 01.6 11.742 N 87.340 W 45 G 5.3 7.2 1.3 212


NEAR COAST OF NICARAGUA. Ms 7.4 (BRK). Mo-3.2*10**20 Nm (PPT). At leost 116 people killed, more than 68 missing and over 13,500 left homeless in Nicaragua. At least 1,300 houses ond 185 fishing boats were destroyed along the west coast of Nicaragua. Total damage in Nicaragua is estimoted ot between 20 and 30 million U.S. dollars. Same damage wos also reported in Costa Rica. Most of the casualties ond damage were coused by a tsunami affecting the west coasts of Nicaragua and Costa Rica, reaching heights of up to 8 meters. The tsunami ran inland about 1,000 meters at Mosochapo. Nicaragua. Maximum wave heights (in cm. peak-to-trough) at selected tide stations were as fallows: 111 at Baltra Island, 83 at Eoster Island, 28 at Socarro Island, 18 at La Libertad, Ecuador, 10 at Valparaiso, Chile and 10 at Hi la, Hawaii. Felt in Chinandega and Leon Departments, Nicaragua. Also felt at Crucera, Managua and San Marcos, Nicaragua and at San Jase, Casta Rica. Two events about 9 seconds apart. Depth from broadband displacement seismograms, based an second event.

Compiled by Pingsheng Chang, Will is S. Jocobs, Stuart K. Koyonagi, Christina K. Lavonne, John H. Minsch, Russell E. Needhom, Waverly J. Person, Bruce W. Presgrave ond William H. Schmieder.

PAGE 27

06 October 1992 10:28:22.92 New Britain Region, P.N.G.

YSS (LHZ)P x5

MAJO (LHZ)P x5

MDJ (LHZ)P x4 V '

HIA (LHZ)P x4 V

SSEP x2

(BHZ) v^JLl IK^^wvvv^

ENH (LHZ)P x3

QIZ (LHZ)Px3

KMI (LHZ)P x3 V '

LSA (BHZ)P x3 '

CTAO (LHZ)P xl

10

a.0

M and B

o i z Time (min)

LZH (LHZ)P x6

LON (LHZ)P xlO

COR (LHZ)P xlO

WDC (BHZ)P x5 V

ISA (LHZ)P xl 1

GSC (LHZ)Pdiff x!2

ANMO (LHZ)Pdiff xl9

TUC (LHZ)Pdiff x\3

RAR (LHZ)P x4

BJI (LHZ)P x4

1 2 3

Time (min)

11 October 1992 19:24:26.29 Vanuatu Islands

GDH fLHZ)Pdiff x37

MAJO (LHZ)P

MDJ (BHZ)P xl '

SSE (LHZ)P x]

ENH (LHZ)P xl

KMI (LHZ)P xl '

LSA (LHZ)P x2

WMQ (LHZ)Pdiff x2

CEH ^LHZ)Pdiff x

120a.

0

MIAR OHZ)Pdiff x!3

M and B

Time (min)

COR (LHZ)P x3 v

KIP (BHZ)P x2 V '

JFWS (LHZ)Pdiff xl5

GOL (LHZ)Pdiff xfe

SBC (BHZ)P x2

PAS (LHZ)P x2

ANMO (LHZ)Pdiff x5

TUC (LHZ)P x3 V '

01234Time (min)

PAGE 28

12 October 1992 13:09:55.51 Egypt

MDJ (LHZ)P x9

COL (BHZ)P x2

GRFO (LHZ) ~y^\A.

RSSD (LHZ)Pdiff x31

JFWS (LHZ)P xll

HRV (LHZ)P x9 V

CEH (LHZ)P x9

YSS (BHZ)P x27

YSS (LHZ)P x5

SNZO (LHZ)PKPdf x2

M and Bo

Time (min)

MAJO (LHZ) p xs v

H1A (LHZ)

WMQ (BHZ)P x2

LZH (LHZ)P x? '

ENH (LHZ)

(LHZ)

KMI (LHZ)P x5 '

QIZ (LHZ)Px6

SSE (LHZ)P x?

01334Time (min)


COL (LHZ)P x? X

YSS (LHZ)P x4

GRFOPKPdf x!28

BJ] (BHZ)P x4

ENH (LHZ)P x4 V

LZH (LHZ)P x5 '

) (LHZ) J\l\^v ,

KMI (LHZ)P x4

50^

0

LSA (LHZ)P x4

M and B

Time (min)

WDC (LHZ)P x5 V '

KIP (LHZ)P x4 '

HRV (LHZ)Pdiff x&4

PAS (BHZ)P x2 V '

TUC (BHZ)P x5 V '

RAR (LHZ)P x2

BDF (LHZ)PKPdf x39

SNZO (LHZ)p ...

01334Time (min)

PAGE 29


COL (LHZ)P x24

YSS (LHZ)P x8

MDJ (BHZ)P x4 '

H1A (LHZ)P x!4

SSE (LHZ)P xlO

BJI (LHZ)P x!2

QIZ (LHZ)Px9 '

ENH (LHZ)P V '

M and B0 1 2

Time (min)

LON (LHZ)P xl4 V '

KIP (LHZ)

WDC (BHZ)P x2

J\ /vs/v^-^xwv GSC (LHZ)

/' JlA/^rwwv^

ANM08 (BHZ)

(LHZ)

-v\/\/yu\/\TUC (LHZ)P x!2

SNZO (LHZ)P xl

SPA (LHZ) p xe v '

20

01234Time (min)

17 October 1992 08:32:40.51 Northern Colombia

COL (LHZ)P x6

GOL (BHZ)p xi v 'COR (LHZ)P x4 '

ANMO (LHZ)P xl

TUC (LHZ) p xi

(LHZ)

WDC (LHZ)

KIP (LHZ)P x7 V '

RAR (LHZ)P x6 V '

M and B0 1 2

Time (min)

CEH (LHZ)P x2 V '

RSNY (LHZ)

SNZO (LHZ)Pdiff x2ff

(BHZ)

HIA (LHZ)Pdiff xlOO

BJI (LHZ)PKPdfxl23

MDJ (LHZ)Pdiff xB6

BDF (MHZ) P xi v '

ZOBO (LHZ) p xi v '

25

01234Time (min)

PAGE 30

JFWS (LHZ)

MIAR (LHZ)P x3

GOL (LHZ)P xl V

18 October 1992 15:11:59.11 Northern Colombia

MCWV (LHZ)P x4

0 1 2Time (min)

CEH (LHZ)P x3

HRV (BHZ)P x3

PG5f40(LHZ)

01234

Time (min)

21 October 1992 12:11:13.88 New Guinea, Papua New Guinea

MDJ (LHZ) ..Â/VVv/xr *O V v

HIA (LHZ) ^^^^ .

SSJ (LHZ) __A/Â/VV

BJxie (LHZ) _^/\yxA^^

ENH (BHZ)P xg v

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LZH (LHZ) p x? '

M and B

Time (min)

GUMO (LHZ) p xi

WMQ (LHZ)

YSS (LHZ)P x6

YSS (BHZ)P x41

-^ '\ fa**vsS^*sT^

COL (LHZ)P xlO

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15-,a. I_

0-1 i r-1234

Time (min)

PAGE 31

22 October 1992 09:04:23.40 Kermadec Islands, New Zealand

COL (LHZ)Pdiff xS8

YSS (BHZ)P x31

GUMO (LHZ)P x6

SSE (LHZ)P xB

ENH (BHZ)P x4 '

CTAO (BHZ)P x2 '

KMI (LHZ)P xl5 '

LSAPdiff

HIA (LHZ)Pdiff x24

MDJ (LHZ)P x!3

M and B0 1 Z

Time (min)

SPA (LHZ) P x9 '

50

COR (LHZ)

01834

Time (min)


YSS (LHZ)P X4 V

MDJ (LHZ)P xll v '

HIA (LHZ)Pdiff x20

GUMO (LHZ)P x4 '

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LZH (LHZ)Pdiff x20

Q1Z (LHZ)P x?

Pdiff

o i z Time (min)

01834

Time (min)

PAGE 32

23 October 1992 23:19:45.20 Eastern Caucasus

YSS (BHZ)P x21

COL (LHZ)

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201

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Time (min)

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SSE (BHZ)P x2

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01234

Time (min)


KIP (LHZ)P x?

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SSE (LHZ)P x3

(BHZ)

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M and B

0 1 2

Time (min)

COR (LHZ)

(LHZ)

>A/ \/WW\A~/V RAR (LHZ)y u v r xi

LZH (LHZ)Pdiff x&

16

01234

Time (min)

PAGE 33

30 October 1992 02:49:48.17 South of Honshu, Japan

YSS (LHZ)P xl

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HIA (BHZ) P /

GRFO (LHZ)P x23

BJI (LHZ)P x2

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01234Time (min)

1234Time (min)

31 October 1992 14:34:22.48 Near N Coast of New Guinea, Png,

YSS (LHZ)P x7 V '

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Time (min)

ARU (BHZ)P xl?

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LON (LHZ)Pdiff x39

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M1AR fLHZ)Pdiff x229

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n0-01234

Time (min)

Ear

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for

Oct

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19

92

30°E

60

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o o

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EXPLANATION Depth

70km Z70kmO D Magnitude <5.0

O [D Mognitude 5.0-5.?

Earthquake epicenters in Alaska and adjacent regions for October, 1992.

CP O /

EXPLANATION

O Magnitude <5.0

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00

250 500 km

Earthquake epicenters in the conterminous United States and adjacent regions for October, 1992.

0°30

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S. DEPARTMENT OF THE INTERIOR/GEOLOGICAL SURVEYNational Earthquake Information Center

NOVEMBER 1992

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Annual Subscriptions: Superintendent af Documents, U.S. Government Printing Office, Washington. D.C. 20402. Bock issues: Books and Open-File Reports Section, U.S. Geological Survey, Box 25425. Denver. CO 80225.

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NEAR COAST OF CENTRAL CHILE MD 3.3 (SAN).AFGHANISTAN-TAJIKISTAN BORD REG.CHILE-ARGENTINA BORDER REGION. MD 3.5 (SAN).NORTHWESTERN BALKAN REGION. ML 2.2 (TTG).CHILE-ARGENTINA BORDER REGION. MD 3.7 (SAN).WYOMING. ML 3.0 (GS). Felt (V) ot Lusk end (II) otMonvilie.BONIN ISLANDS REGIONTURKEY. MD 3.0 (ISK).CALIF.-BAJA CALIF. BORDER REGION. <PAS-P>. ML 2.6(PAS).SOUTHERN ALASKA. <AEIC>.SOUTHERN ALASKA. <AEIC>.SOUTHERN ALASKA. <AEIC>. ML 2.8 (AElC).SAN JUAN PROVINCE, ARGENTINAFRANCE. ML 1.7 (GEN).MINDANAO, PHILIPPINE ISLANDSSWITZERLAND. ML 4.0 (GRF), 3.8 (LOG), 3.5 (STR), 3.+(ROM). MD 3.7 (VIE), 3.4 (LJU). Six people killed bythe occidental explosion of an ammunitions cavern.NEAR COAST OF OAXACA. MEXICOWESTERN IRANHOKKAIDO, JAPAN REGIONALASKA PENINSULA. <AEIC>.CENTRAL CALIFORNIA. <PAS-P>. ML 2.8 (PAS).SOUTHERN CALIFORNIA. <PAS-P>. ML 2.8 (PAS).MENDOZA PROVINCE. ARGENTINA. MD 3.6 (SAN).KERMADEC ISLANDS REGIONWESTERN AUSTRALIAGREECE-BULGARIA BORDER REGION. ML 2.5 (THE), 1.8 (SKO)SWEDEN. MD 3.9 (BER). Felt in the Kusfors area.SOUTHERN ITALYGULF OF ALASKA. ML 3.1 (AEIC).NEAR COAST OF CENTRAL CHILE. MD 3.4 (SAN).WESTERN ARABIAN PENINSULA. MD 3.7 (RYD).OAXACA, MEXICOALBANIA. ML 2.7 (THE), 2.6 (TIR).DOMINICAN REPUBLIC REGIONCHILE-ARGENTINA BORDER REGION. MD 3.8 (SAN).NORTHWESTERN BALKAN REGION. ML 1.7 (TTG).EAST OF KURIL ISLANDSCALIF.-BAJA CALIF. BORDER REGION. <PAS-P> ML 3.3(PAS). Felt in southern California.OFF COAST OF GUERRERO. MEXICOTURKEY. MD 3.1 (ISK).GREECENORTHERN ITALYTURKEY. MD 2,8 (ISK).CENTRAL CALIFORNIA. <PAS-P> ML 3.4 (PAS). 3.0 (GS).CENTRAL ALASKA. <AEIC>.GREECE. ML 3.6 (THE). 3.5 (TIR). 3.4 (ATH).NORTHWEST OF KURIL ISLANDSSOUTHERN GREECE. ML 3.7 (ATH).TURKEY. MD 2.6 (ISK).PACIFIC-ANTARCTIC RIDGETURKEY. MD 2.5 (ISK).CORSICA. ML 2.2 (GEN).CALIFORNIA-NEVADA BORDER REGION. <BRK>. ML 3.2 (BRK).CORSICAAUSTRIA ML 1.0 (VIE).NORTHERN ITALY. ML 1.5 (GEN).SOUTHERN NORWAY. ML 1.3 (NAO). MD 1.5 (BER).NEAR COAST OF NORTHERN CHILE. Felt (V) ot Antofogosto.SOUTH OF kERMADEC ISLANDSSWEDEN. MD 3.6 (BER).GUERRERO, MEXICOYELLOW SEA ML 5.0 (BJl).ROMANIAPOLAND. ML 2.7 (WAR).SOUTHWEST OF SUMATERA. INDONESIANORTHERN COLOMBIATURKEY. MD 3.5 (ISK). ML 3.1 (CSS).FLORES SEANEAR COAST OF NICARAGUABALLENY ISLANDS REGION. Mo-5.0*10**18 Nm (PPT).MENDOZA PROVINCE, ARGENTINARYUKYU ISLANDSGERMANY. ML 2.6 (LOG). 2.0 (BNS), 2.e (KOE). MD 2.2(UCC).NORWEGIAN SEA. ML 3.2 (BGS). MD 2.8 (BER).SOUTHERN PACIFIC OCEANNORTH OF ASCENSION ISLANDGREECESOUTHERN ALASKA. <AEIC>.TURKET . MD 2.9 ( ISK).ALBANIA. ML 2.2 (TTG), 1.9 (TIR).TURKEY. MD 2 9 (ISK).POLAND MG 3 0 (WAR).TURKEY MD 3.2 (ISK).NORTHERN ITALY ML 2.0 (GEN).NEAR SOUTH COAST OF FRANCESOUTHERN CALIFORNIA. <PAS-P>. ML 3 0 (PAS).SOUTHERN CALIFORNIA. <PAS-P>. ML 3.0 (PAS).

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NOV 1992 PAGE 4

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ALBANIA. ML 3.0 (TIR), 2.8 (TTG).EGYPT. MD 4.4 (RYD), 4.3 (HLW). Felt in the Cairo orea.EGYPT. MD 4. 1 (HLW).NEW BRITAIN REGION, P.N.G. Depth from broadbanddisplacement seismograms.CENTRAL ITALYCHILE-ARGENTINA BORDER REGION. MD 3.4 (SAN).POLAND. ML 3.3 (WAR) .FRANCE. ML 1.9 (LOG).AEGEAN SEA. ML 3.6 (ATH), 3.3 (THE). MD 3.7 (ISK).OFF W. COAST OF S. ISLAND, N.Z. ML 3.7 (WEL).NEW BRITAIN REGION. P.N.G.NEAR COAST OF CENTRAL CHILE. MD 4.1 (SAN).OFF E. COAST OF N. ISLAND, N.Z.NEW BRITAIN REGION, P.N.G.WINDWARD ISLANDS. ML 3.0 (FDF).NEAR EAST COAST OF HONSHU. JAPANNORTHWESTERN BALKAN REGION. ML 1.9 (TTG).NEAR COAST OF CENTRAL CHILE. MD 3.8 (SAN).NORTHERN ITALY. ML 1.9 (LOG).NEW BRITAIN REGION. P.N.G.SOUTHERN CALIFORNIA. <PAS-P>. ML 2.8 (PAS), 2.6 (GS).NEW BRITAIN REGION, P.N.G.NEW BRITAIN REGION, P.N.G.MARIANA ISLANDS REGIONSOUTHERN ALASKA. <AEIC>. ML 3.4 (AEIC). 3.4 (PGC).GERMANY. ML 1.9 (STR).NORTHWESTERN BALKAN REGION. ML 3.5 (TIR), 3.0 (TTG). MD3.5 (TRI ) .TURKEY. ML 3. 1 (THE) .EGYPT. MD 3.5 (HLW).SPAIN. mbLg 3.1 (MOD). Felt (Ml) in the Morotallaorea.CENTRAL ITALYKYRGYZSTANSOUTHERN ALASKA. <AEIC>.NEAR COAST OF CENTRAL CHILE. MD 4.0 (SAN).NEAR SOUTH COAST OF FRANCE. ML 1 . 0 (STR).KYRGYZSTAN. Felt (V) at Kochkar-Ata; (III) at Mayli-Sayond Tash-Kumy r .ALASKA PENINSULA. <AEIC>.MINAHASSA PENINSULA. SULAWESICALIFORNIA-NEVADA BORDER REGION. <GM-P> . MD 2.9 (GM).ML 2.8 (GS).NORTHWESTERN BALKAN REGION. ML 2.3 (SKO). 2.1 (THE).NORTH ISLAND, NEW ZEALANDSOUTH OF HONSHU, JAPANEASTERN NEW GUINEA REG., P.N.G.TURKEY. MD 2.7 ( ISK).CHILE-ARGENTINA BORDER REGION. MD 3.2 (SAN).NORTHERN ITALY. ML 1.9 (GEN).TURKEY. MD 2.7 ( I SK) .NEW BRITAIN REGION. P.N.G.SAN JUAN PROVINCE, ARGENTINAKASHMIR-X I ZANG BORDER REGIONOFF W. COAST OF S. ISLAND, N.Z. ML 4.1 (WEL).MARIANA ISLANDSNEW IRELAND REGION, P.N.G.POLAND. MG 2. 9 (WAR) .GERMANY. ML 2.4 (STR).BONIN ISLANDS REGIONSOUTHERN CALIFORNIA. <PAS-P> . ML 3.8 (PAS), 3.6 (GS).Felt (III) at Borrego Springs, Cabazan, Cherry Valleyand Morongo Valley. Felt (II) at Rialto. Also felt inthe Palm Desert area.TURKEY. MD 2.9 ( ISK) .NORTHWESTERN IRANLEEWARD ISLANDS. MD 3.8 (TRN).VANUATU ISLANDSVANUATU ISLANDSAFGHAN ISTAND 1 ENTRECASTEAUX ISLANDS REGIONTURKEY. MD 2.9 (ISK).BANDA SEAAEGEAN SEA. ML 5.7 (ATH). 5.3 (THE). Same damage in theDoganbey orea, Turkey. Felt strongly at Izmir, Turkey.AEGEAN SEA. ML 3.5 (THE) .DODECANESE ISLANDS. ML 4.1 (THE).AEGEAN SEA. MD 3.8 (ISK).CHILE-ARGENTINA BORDER REGION. MD 3.7 (SAN).TURKEYTURKEY. MD 3.8 (I SK) .TURKEY. ML 4.7 (ATH), 4.2 (THE). MD 4.4 (ISK).NORTHERN ITALY. ML 1.9 (GEN).CALIFORNIA-NEVADA BORDER REGION. ML 2.7 (GS). Felt otBeotty ond in the Lathrop Wells area, Nevada.TURKEY MD 3.5 (ISK).AEGEAN SEA. MD 3.4 ( I SK ) .CENTRAL PERUTURKEY. MD 3.6 (ISK).SOUTHEASTERN ALASKA. <PGC-P>. ML 3.6 (PGC).AEGEAN SEATURKEY. MD 3 6 ( ISK) .

PAGE 5 NOV 1992

06 21 20 52.9» 5.187 S 152.516 E 56 4.6 1.2 25 NEW BRITAIN REGION, P.N.G.06 21 24 34. 9% 38.148 N 27.047 E 10 G 0.9 11 TURKEY. MD 3.7 (ISK).06 21 45 24.8? 38.44 N 26.88 E 10 G 0.7 5 AEGEAN SEA. MD 3.3 (ISK).060606060606060606060606070707

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LEEWARD ISLANDS. ML 3.5 (PDF). MD 3.4 (TRN).FIJI ISLANDS REGION. Ms 6.6 (BRK). Felt in easternVonuo Levu and on Toveuni.TURKEY. MD 2.5 (ISK).SAN JUAN PROVINCE, ARGENTINANEW BRITAIN REGION, P.N.G.LEEWARD ISLANDS. ML 3.4 (FDF). MD 3.6 (TRN).TURKEYCALIF.-8AJA CALIF. BORDER REGION. <PAS-P>. ML 2.8(PAS).TURKEY. MD 2.9 (ISK).AEGEAN SEA. MD 3.2 (ISK).TURKEY. MD 2.7 ( ISK).PAKISTANAEGEAN SEA. ML 3.6 (ATH). MD 3.7 (ISK).NEAR COAST OF NORTHERN CHILE. MD 5.5 (SAN). Felt (V) otAntofagasta and Mejillanes; (III) ot Toltol.NORTHERN COLOMBIANEAR COAST OF NORTHERN CHILE. MD 5.3 (SAN). Felt (V) otAntofogosta and (IV) at Mejillanes.GREECENEAR COAST OF NORTHERN CHILEat Antofagasta.TURKEY. MD 3.4 (ISK) .TURKEY. MD 2.5 (ISK).MINDANAO, PHILIPPINE ISLANDSNEW BRITAIN REGION, P.N.G.TURKEY. ML 3.8 (ATH). MD 3.6 (ISK).VANUATU ISLANDSMOROCCO. mbLg 3.8 (MOD). MD 3.7 (R8A).AEGEAN SEA. MD 3.3 ( ISK).SOUTHERN GREECE. ML 3.3 (ATH), 3.3 (THE).DODECANESE ISLANDS. MD 3.4 (ISK).NORTHERN ITALY. ML 1.7 (GEN).SOLOMON ISLANDSOAXACA, MEXICONEW BRITAIN REGION, P.N.G.NEW GUINEA, PAPUA NEW GUINEANEAR COAST OF CHIAPAS, MEXICOSOUTH OF KERMADEC ISLANDSOFF EAST COAST OF HONSHU, JAPANAEGEAN SEA. ML 4.1 (ATH), 3.8 (THE)NORTHERN CHILENORWEGIAN SEA. ML 4.7 (BGS)Romsdohl County, Norway.AEGEAN SEA. ML 4.0 (ATH), 3.9 (THE)FLORES REGION, INDONESIASICILYGULF OF ALASKA. ML 2.5 (AEIC).NORTH ATLANTIC OCEANTAJIKISTANFRANCE. ML 2.8 (LOG).TURKEY. MD 3.2 (ISK).KYUSHU, JAPANTURKEY. MD 3.1 (ISK ) .AUSTRIA. ML 3.4 (GRF). Felt (IV) ot Wiener Neustadt.AUSTRIA. MG 2.8 (VIE). Felt (IV) ot Wiener Neustodt.OFF COAST OF CENTRAL CHILE. MD 4.1 (SAN).PAKISTANDODECANESE ISLANDS. MD 3.3 (ISK).DODECANESE ISLANDS. MD 3.3 (ISK).NEAR COAST OF CENTRAL CHILE. MD 4.5 (SAN).AEGEAN SEA. MD 3.2 (ISK).TONGA ISLANDSNORTHERN COLOMBIATURKEY. MD 3.1 (ISK).TURKEY. MD 3.1 (ISK).TURKEY. MD 3.2 ( ISK) .GREENLAND SEANEAR COAST OF CHIAPAS, MEXICOSOUTHERN ALASKA. <AEIC>. ML 3.9 (AEIC), 3.6 (PMR).DODECANESE ISLANDS. MD 3.2 (ISK).NORTHWEST OF AUSTRALIANORTH ISLAND, NEW ZEALAND. ML 3.8 (WEL).SOUTHERN CALIFORNIA. <PAS-P>.Fel t.CENTRAL CHILENEAR COAST OF NORTHERN CALIF. <BRK>. ML 3.0 (BRK).GREECE. ML 2.0 (SKO), 1.9 (THE).AEGEAN SEASOUTHERN CALIFORNIA. <PAS-P>. ML 2.8 (PAS).NEAR COAST OF CENTRAL CHILE. MD 4.0 (SAN).KYUSHU. JAPANLEEWARD ISLANDS. ML 3.6 (FDF). MD 3.6 (TRN).TURKEY. MD 2.8 (ISK).NEAR COAST OF CHIAPAS. MEXICONEAR COAST OF ChIAPAS, MEXICONEAR N COAST OF NEW GUINEA, PNG.KENAI PENINSULA, ALASKA. <AElC>. ML 2.7 (AEIC).NORTHERN ITALY. ML 2.9 (LOG). 2.5 (GEN).SOUTHERN CALIFORNIA. <PAS-P>. ML 3.0 (PAS). Felt.SOLOMON ISLANDSLEEWARD ISLANDS. ML 4.2 (FDF). MD 4.0 (TRN).

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VOLCANO ISLANDS REGIONAEGEAN SEA. MD 3.5 ( I SK).OFF EAST COAST OF HONSHU. JAPANNEAR N COAST OF NEW GUINEA, PNG.AEGEAN SEA. MD 3.1 ( ISK).SOLOMON ISLANDSKERMADEC ISLANDS REGIONNORTHERN ITALY. ML 3.1 (LOG), 2.6 (GEN).VANUATU ISLANDSSOUTHERN CALIFORNIA. <PAS-P>. ML 2.7 (PAS). Felt.REPUBLIC OF SOUTH AFRICA. mbLg 3.6 (BUL).TURKEY. MD 3.3 (ISK).CHILE-ARGENTINA BORDER REGION. MD 4.5 (SAN).NEAR COAST OF GUERRERO, MEXICOEASTERN XIZANG-INDIA BORDER REG.PUERTO RICO REGIONTRINIDAD. MD 3.6 (TRN). Felt (II) on Trinidad.FRANCE. ML 2.1 (LDG).AEGEAN SEA. MD 3.4 (ISK).MINDANAO, PHILIPPINE ISLANDSTURKEY. MD 3.6 (ISK).TURKEY. MD 2.9 (ISK).TURKEY. MD 3.4 (ISK).ALBANIA. ML 2.5 (SKO).SOUTHERN CALIFORNIA. <PAS-P>. ML 3.1 (PAS). 3.1 (GS).Fel t.TURKEY. MD 2.5 (ISK).NORTHWESTERN BALKAN REGION. ML 3.9 (SKO), 3.8 (TlR),3.5 (TTG). MD 3.7 (ATH), 3.7 (LJU).TURKEY. MD 2.6 (ISK).IONIAN SEA. ML 4.1 (TTG).NORTHERN ITALY. ML 2.5 (LDG).CORSICA. ML 2.1 (LDG).TURKEY. MD 3.3 (ISK).GREECENORTH ISLAND, NEW ZEALANDEASTERN IDAHO. ML 3.8 (GS), 4.6 (BUT). Felt (V) atWayan and (II) at Idaho Falls.KERMADEC ISLANDS, NEW ZEALANDGREECE-BULGARIA BORDER REGIONNORTHERN CALIFORNIA. <BRK>. ML 3.2 (BRK), 2.7 (GS).BANDA SEAROMANIA. Felt (IV) at Chisinou, Moldova.PUERTO RICO REGIONTURKEY. MD 3.2 (ISK).PUERTO RICO REGIONCENTRAL ALASKA. <AEIC>. ML 2.7 (AEIC), 3.1 (PMR).EASTERN IDAHO. ML 3.6 (GS), 3.8 (BUT).GREECE. MD 3.6 (ATH).EASTERN IDAHO. ML 4.6 (GS). 4.4 (BUT). Felt (V) atWayan. Alto felt at Idaho Foils. Felt (II) at Alpineand Freedom, Wyoming.EASTERN IDAHO. ML 2.9 (GS). 3.2 (BUT).TURKEY. MD 3.1 (ISK).LOYALTY ISLANDSGREECE-ALBANIA BORDER REGIONSOUTHERN GREECE. ML 4.2 (THE). 4.1 (TlR). MD 4.1 (ATH),FeIt at Pot roi .SAN JUAN PROVINCE. ARGENTINANEW GUINEA. PAPUA NEW GUINEATURKEY. MD 3.1 (ISK).CENTRAL MEDITERRANEAN SEAGREECE. MD 3.4 (ATH).AEGEAN SEA. MD 3.6 (ISK).ANDREANOF ISLANDS. ALEUTIAN IS. ML 5.9 (PMR). Ms 5.6(BRK). Felt (IV) on Adok and Amchitko.TURKEY. MD 3.1 (ISK). STRAIT OF GIBRALTAR PYRENEES. ML 1.6 (STR). NORTH KOREA. ML 4.4 (BJI).MYANMAREASTERN IDAHO. ML 2.8 (GS). 3.3 (BUT).TURKEY. MD 3.1 (ISK).IRIAN JAYA REGION. INDONESIAEASTERN IDAHO. ML 3.2 (GS). 3.4 (BUT).SOUTH OF SUMBAWA, INDONESIANEAR COAST OF CENTRAL CHILE. MD 3.9 (SAN).SOUTH OF TIMOR, INDONESIATUCUMAN PROVINCE, ARGENTINAVANUATU ISLANDSTURKEY. MD 3.2 (ISK).CENTRAL ALASKA. <AEIC>. ML 2.7 (AEIC). 3.1 (PMR).TALAUD ISLANDS, INDONESIATURKEY. MD 2.8 ( ISK).PYRENEES. ML 2.2 (LDG).NEAR COAST OF CENTRAL CHILE. MD 4.3 (SAN).SUMBAWA REGION. INDONESIAGREECEEGYPT. MD 4.6 (RYD).ANDREANOF ISLANDS, ALEUTIAN IS.VANUATU ISLANDSGREECE-BULGARIA BORDER REGIONSOUTHERN CALIFORNIA. <PAS-P>. ML 2.8 (PAS). 2.3 (GS).

PAGE 9 NOV 1992

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NORTH ISLAND, NEW ZEALANDSOUTHERN CALIFORNIA. <PAS-P>MADAGASCAREASTERN NEW GUINEA REG., P.N.G.SOUTHERN CALIFORNIA. <PAS-P>Fel t .SOUTHERN CALIFORNIA. <PAS-P>Fel t .LEEWARD ISLANDS. MD 3.6 (TRN).SOUTH OF FIJI ISLANDSTURKEY. MD 2.8 ( ISK).GREECECENTRAL CALIFORNIA. <BRK>. ML 3.4 (BRK), 3.6 (GS). Feltin the AI urn Rock ond San Jose areas.TURKEY. MD 3.1 ( ISK).NORTH ISLAND. NEW ZEALANDNEAR COAST OF MICHOACAN. MEXICOGUERRERO, MEXICOANDREANOF ISLANDS. ALEUTIAN IS. Felt (III) on Adok.SOUTHERN ALASKA. <AEIC>. ML 3.2 (AEIC). 3.0 (PMR). Felt(II) at Polmer.CHILE-ARGENTINA BORDER REGION.AEGEAN SEA. MD 3.0 ( ISK).TURKEY. MD 2.7 ( ISK).KURIL ISLANDSSOUTHERN NORWAY. MD 1.1 (BER),SOUTH OF FIJI ISLANDSOFF E. COAST OF N. ISLAND, N.Z.NEAR N COAST OF NEW GUINEA, PNG.GREECE. MD 3.1 (ATH).NEAR COAST OF CHIAPAS, MEXICOSOUTHERN ALASKA. <AEIC>.SAN JUAN PROVINCE. ARGENTINAAEGEAN SEA. MD 3.2 ( ISK).GREECE. MD 3.1 (ATH).SOUTHERN ALASKA. <AEIC>.CHILE-ARGENTINA BORDER REGION. MD 3.5 (SAN).CALIFORNIA-NEVADA BORDER REGION. <BRK>3.1 (GS).NEW IRELAND REGION, P.N.G.AEGEAN SEA. MD 2.9 ( ISK) .NORTH OF HALMAHERA. INDONESIAAEGEAN SEA. MD 2.8 (ISK).NORTHERN ALASKA. <AEIC>. ML 3.2 (AEIC)NORTHERN ALASKA. <AEIC>. ML 2.6 (AEIC)AEGEAN SEA. MD 2.9 (ISK).NEW BRITAIN REGION. P.N.G.OFF COAST OF CENTRAL AMERICACENTRAL ALASKA. <AElC>.NEW GUINEA, PAPUA NEW GUINEASOUTHERN ALASKA. <AEIC>. ML 3.0 (AEIC).AUSTRIA. MD 2.7 (LJU).BANDA SEANEAR COAST OF CENTRAL CHILE. MD 4.7 (SAN)SOUTH INDIAN OCEANOFF COAST OF CENTRAL CHILE. MD 4.1 (SAN).KURIL ISLANDSZAMBIA. mbLg 3.3 (BUL).KENAI PENINSULA, ALASKA. <AEIC>SOUTH OF KERMADEC ISLANDSNEAR COAST OF CENTRAL CHILE. MD 4.4 (SAN).TURKEY. MD 2.5 (ISK).GREECEIRIAN JAYA REGION, INDONESIATURKEY. MD 2.8 (ISK).SOUTHERN CALIFORNIA. <PAS-P>KODIAK ISLAND REGION. <AEIC>NEAR SOUTH COAST OF FRANCE. ML 3.1 (LOG), 2.4 (STR).SOUTH OF HONSHU, JAPANSWITZERLAND. ML 2.1 (LOG).LEEWARD ISLANDS. ML 3.3 (FDF).OFF COAST OF CENTRAL AMERICAOFF COAST OF CENTRAL AMERICANORTHWESTERN BALKAN REGION. ML 1.7 (TTG).CENTRAL MEDITERRANEAN SEALEEWARD ISLANDS. ML 3.7 (FDF).PYRENEES. ML 2.5 (LOG).SOUTH OF BALI, INDONESIAHALMAHERA, INDONESIASWITZERLAND. ML 2.8 (LOG)NORTHERN COLOMBIANORTHERN MOLUCCA SEALUZON, PHILIPPINE ISLANDSLUZON, PHILIPPINE ISLANDSCHILE-ARGENTINA BORDER REGIONTURKEY. MD 2.9 ( ISK).SOUTHERN ALASKA. <AEIC>. ML 2.7 (AEIC).NORTHERN NORWAY. MD 2.9 (BER).KURIL ISLANDSAEGEAN SEA. MD 3.3 (ISK).CYPRUS REGION ML 3.4 (CSS).NORTHWESTERN BALKAN REGION. ML 2.3 (TTG).AL.BANIA. ML 2 2 (TlR), 2.2 (TTG).

ML 2.7 (AEIC).

ML 2.8 (PAS). ML 3.4 (AE1C).

2.3 (STR)

MD 3.7 (SAN)

PAGE 11 NOV 1992

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CENTRA LEEWARI LEEWARICENTRAAEGEANVANUATISWEDENKODI AKKOD I AKSOUTH INORTHEISOUTHEASTERIMl NDAN,EASTERIWoyon .MAR I AN,GERMAN-FRANCETIMOR INEAR ClNEAR C(EASTERIKUR I LGUERREITURKEYCENTRAISON INTURKEYSOUTH (NEW BRNEW GUTURKEYTURKEYTURKEYTURKEYTURKEYNEAR C(TURKEYCATAMAIAEGEANSOUTHEISOUTHEISOUTHEISAN JU/CHI LE-/KOMANDtNORTHEIWEST 0!SOUTH (NORTHEfSOUTHEFEASTERINEAR C(SOUTHEFLA RIO,GERMAN'OFF EA!VENEZUISAN JU>KOMANDCOFF EA!OFF EA!MENDOZ/BANDA !BON INAFGHANRYUKYUSOLOMOhGREECEPHI LlPfALBERT/

a 17

17171717

1 7171 71 7171717

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MD MO

3.9 (SAN). 3.7 (SAN).

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ALASKA. <AEIC>. ISLANDS. ML 3.6 (FDF). ISLANDS MEXICOEA. MD 3.2 (ISK). ISLANDS MD 3.2 (BER).SLAND REGION. <AEIC>. ML 4.3 (AEIC). 4.4 (PMR) SLAND REGION. <AEIC>. ML 2.9 (AEIC).HONSHU, JAPAN

NORTHERN NORWAY. MD 3.1 (BER).MD. NEW ZEALAND. ML 3.8 (WEL).

EASTERN IDAHO. ML 2.8 (GS). MINDANAO. PHILIPPINE ISLANDS

*HO. ML 3.4 (GS). 3.3 (BUT). Felt (V) at Woyon. Idaho ond (III) ot Alpine, Wyoming.

LANDS

1.6 (LOG). 3N, INDONESIA

NEAR COAST OF CENTRAL CHILE. NEAR COAST OF CENTRAL CHILE.

IDAHO. ML 2.8 (GS). LANDS |, MEXICO MD 2.9 ( ISK) .

CENTRAL CALIFORNIA. <BRK>. LANDS REGION MD 2.7 (ISK).HONSHU, JAPAN

AIN REGION, P.N.G. EA. PAPUA NEW GUINEA MD 2.8 (ISK). MD 3.1 (ISK). MD 2.5 (ISK). MD 3.6 (ISK). MD 2.7 (ISK) .

NEAR COAST OF NORTHERN CHILEMD 2.8 (ISK).

CATAMARCA PROVINCE, ARGENTINA. MD 2.9 (ISK).

SOUTHERN GREECE. MD 3.3 (ATH). 3RWAY. MD 2.1 (BER), 3RWAY

SAN JUAN PROVINCE. ARGENTINA CHILE-ARGENTINA BORDER REGION. KOMANDORSKY ISLANDS REGION

3LOMBI A3RALTAR. MD 3.1 (RBA) 3NSHU, JAPAN 3LOMBIAJMATERA, INDONESIA

EASTERN MEDITERRANEAN SEA. ML 4.0 (CSS).NEAR COAST OF CENTRAL CHILE. MD 4.1 (SAN).

ALASKA. <AEIC>. PROVINCE, ARGENTINAML 2.5 (STR).

OFF EAST COAST OF HONSHU, JAPAN Felt ot Ba r qu i s irne t o .

SAN JUAN PROVINCE, ARGENTINA. MD 4 2 (SAN)f ISLANDS REGION

OFF EAST COAST OF KAMCHATKA OFF EAST COAST OF KAMCHATKA MENOOZA PROVINCE, ARGENTINA.

SEAISLANDS REGION ISTAN ISLANDS

M ISLANDS

PHILIPPINE ISLANDS REGIONkNADA. ML 3.3 (GS)

Santa Rita. Montana. SOUTHERN ONTARIO, CANADA. <OTT>. (TUL), 3.8 (GS). Felt in the 0ttawo-MantreoI area. Felt (IV) at Ogdensburg ond Waddingtan, New York. Felt (III) at Fort Covington, New York. Also felt in the Plottsburgh area, Ne* York.NEAR COAST OF CENTRAL CHILE. MD 5.2 (SAN). Felt (V) at La Serena and Ovalle; (IV) at Andacollo, Combarbala, Coqu imbo and Vicuna; (III) at Illapel and Salamanca. WASHINGTON. <SEA>. MD 2.5 (SEA). WASHINGTON. <SEA>. MD 2.6 (SEA). BANDA SEANEAP COAST OF CENTRAL CHILE. MD 4.8 (SAN). Felt (III) at La Se r ena. GUEPRERO, MEXICO SOUTHERN ALASKA. <AEIC>.FIJI ISLANDS REGION CATAMARCA PROVINCE. ARGENTINA SAN JUAN PROVINCE, ARGENTINA TURKEY MD 2.8 (ISK). FtORES REGION, INDONESIA

MD 3.9 (SAN) .

mbLg 2.9 (MOD).

MD 4.0 (SAN)

3.4 (PGC). Felt (III) at

mbLg 4.4 (OTT). 4.2

NOV 1992 PAGE 12

17 10 12 49.1? 43.26 N 5.53 E 10 G 6.5 10 NEAR SOUTH COAST OF FRANCE. ML 2.7 (STR).17 10 31 32.0% 37.225 S 176.475 E 282 ? 8.4 19 NORTH ISLAND. NEW ZEALAND17 10 34 27.4* 43.852 N 148.406 E 33 N 3.6 1.2 8 EAST OF KURIL ISLANDS17 11 08 51.9 38.255 S 176.124 E 202 » 0.5 22 NORTH ISLAND, NEW ZEALAND17 11 09 27.1% 40.849 N 28.047 E 10 G 0.5 5 TURKEY. MD 2.8 (ISK).17 11 11 41.9? 38.75 N 22.42 E 10 G e.2 6 GREECE17 12 20 19.0% 34.003 S 71.017 W 69 ? 0.3 10 NEAR COAST OF CENTRAL CHILE. MD 3.6 (SAN).17 12 43 35.8% 39.173 N 27.588 E 10 G e.2 5 TURKEY. MD 3.0 (ISK).17 13 36 02.8 49.172 N 6.837 E 5 G e.4 9 GERMANY. ML 2.4 (STR).17 14 08 42.7* 50.239 N 18.936 E 5 G 0.4 5 POLAND. ML 3.3 (WAR).17 14 16 55.1% 60.712 N 5.625 E 10 G 0.4 7 SOUTHERN NORWAY. MD 2.3 (BER).17 14 43 17.1% 39.099 N 27.628 E 10 G 1.6 5 TURKEY. MD 2.9 (ISK).17 17 02 41.3% 45.304 N 7.812 E 10 G 0.7 13 NORTHERN ITALY17 17 32 52.94 33.219 N 116.760 W 20 6 SOUTHERN CALIFORNIA. <PAS-P>. ML 2.8 (PAS).17 17 40 55.0* 24.173 N 123.480 E 78 ? 4.5 1.5 22 SOUTHWESTERN RYUKYU ISLANDS17 18 06 39.1% 38.873 N 27.595 E 10 G 0.7 7 TURKEY. MD 3.0 (ISK).17 18 12 07.6% 38.777 N 27.734 E 10 G 0.4 5 TURKEY. MD 2.7 (ISK).17 18 30 55.1* 48.066 N 148.941 E 331 « 4.1 0.9 23 NORTHWEST OF KURIL ISLANDS17 19 21 55.5 53.984 N 164.126 E 25 D 4.9 1.0 71 KOMANDORSKY ISLANDS REGION17 20 31 01.7 27.948 N 139.275 E 533 « 4.9 0.9 119 BONIN ISLANDS REGION17 20 37 13.8 43.962 N 128.432 W 10 G 4.8 4.5 0.9 147 OFF COAST OF OREGON

a 17 21 42 21.3 26.466 N 126.559 E 106 D 5.0 1.0 82 RYUKYU ISLANDS17 23 21 59.1 51.220 N 175.021 W 33 N 4.6 4.4 1.1 57 ANDREANOF ISLANDS, ALEUTIAN IS.18 00 29 06.5* 37.295 N 20.923 E 61 * 3.6 0.8 19 IONIAN SEA18 00 35 38.0* 1.561 N 117.954 E 33 N 4.8 4.9 1.3 18 BORNEO18 00 48 47.9 12.346 N 88.446 W 33 N 4.7 4.7 0.9 61 OFF COAST OF CENTRAL AMERICA18 02 06 00.2% 39.387 N 27.501 E 10 G 0.5 7 TURKEY. MD 3.0 (ISK).18 02 18 48.1* 21.185 S 68.066 W 147 D 4,7 1.4 20 CHILE-BOLIVIA BORDER REGION18 02 20 56.0 66.276 N 157.761 W 10 G 0.4 36 NORTHERN ALASKA. ML 3.5 (AEIC), 3.5 (PMR).18 02 22 18.0? 37.86 N 27.11 E 10 G 0.3 4 TURKEY. MD 2.9 (ISK).18 02 33 12.955 44.048 N 7.548 E 5 G 0.2 5 NORTHERN ITALY. ML 2.5 (LOG).18 02 34 57.7% 40.127 N 29.224 E 10 G 0.2 6 TURKEY. MD 2.9 (ISK).18 02 42 27.3? 31.09 S 177.43 W 33 N 4.2 1.2 6 KERMADEC ISLANDS REGION18 03 19 26.6* 44.646 N 151.773 E .33 N 4.6 0.8 16 EAST OF KURIL ISLANDS18 03 20 13.9 7.359 N 73.055 W 137 D 4.5 1.3 37 NORTHERN COLOMBIA. Felt at Bucoromonga.

o 18 04 04 31.8 16.052 S 173.819 W 86 D 5.3 1.1 132 TONGA ISLANDS18 04 57 35.0* 38.634 S 175.553 E 202 « 0.5 34 NORTH ISLAND, NEW ZEALAND18 05 13 22.9* 14.856 S 166.795 E 33 N 4.8 1.2 47 VANUATU ISLANDS18 06 08 51.1* 44.147 N 128.250 W 10 G 4.0 3.8 0.9 22 OFF COAST OF OREGON18 06 13 01.54 34.512 N 116.520 W 0 9 SOUTHERN CALIFORNIA. <PAS-P>. ML 2.9 (PAS).18 07 19 23.7? 15.82 S 173.97 W 144 * 4.2 1.3 13 TONGA ISLANDS18 07 39 38.0 21.852 S 68.467 W 147 5.1 0.7 11 CHILE-BOLIVIA BORDER REGION18 07 48 15.0 18.714 S 177.683 W 586 4.7 1.0 82 FIJI ISLANDS REGION18 68 20 08.5 40.161 N 29.275 E 10 G 0.7 12 TURKEY. MD 3.2 (iSK).18 09 24 47.955 32.728 S 70.193 W 110 G 0.4 10 CHILE-ARGENT INA 80RDER REGION. MD 3.4 (SAN).18 10 18 29.9? 60.26 N 5.21 E 10 G 0.1 4 SOUTHERN NORWAY. MD 0.7 {BER).18 12 01 56.0 41.930 N 21.703 E 10 G 0.6 10 NORTHWESTERN BALKAN REGION. ML 2.3 (SKO).18 12 48 10.4? 28.09 S 176.00 W 150 ? 4.5 1.2 8 KERMADEC ISLANDS REGION18 13 14 53.6? 10.95 N 60.65 W 33 N 0.6 6 TRINIDAD. MD 3.4 (TRN).18 14 10 11.54 34.009 N 117.106 W 13 37 SOUTHERN CALIFORNIA. <PAS-P>. ML 3.7 (PAS), 3.6 (GS).

Felt (Ml) at Beaumont. Calimesa, Highland, Redlonds and >ucoipo. Felt in ports of Orange, Son Bernardino ond Son Diego Counties.

18 14 11 43.1? 58.24 N 6.47 E 10 G 0.5 7 SOUTHERN NORWAY. MD 2.8 (BER).18 14 22 06.9* 38.118 N 21.242 E 10 G 3.5 1.5 14 GREECE. MD 3.7 (ATH).18 14 43 31.4 37.624 N 20.431 E 10 G 4.0 1.3 29 IONIAN SEA. ML 3.8 (ATH), 3.6 (TIR).18 15 02 10.94 59.548 N 153.418 W 116 59 SOUTHERN ALASKA. <AEIC>.18 15 12 25.2 38.365 N 21.801 E 10 G 1.4 16 GREECE. MD 3.5 (ATH).

o 18 16 02 08.2 6.957 S 129.958 E 123 5.1 1.0 111 BANDA SEAa 18 16 36 45.1 16.771 S 167.103 E 22 D 5 2 5.3 1.2 128 VANUATU ISLANDS

18 17 33 55.2* 17.818 S 177.972 W 470 4.8 1.2 33 FIJI ISLANDS REGION18 17 58 23.6? 50.65 S 163.30 E 33 N 3.1 0.4 11 AUCKLAND ISLANDS REGION18 18 15 56.3% 32.795 S 70.972 W 68 ? 0.2 10 CHILE-ARGENTINA BORDER REGION. MD 3.4 (SAN).18 19 34 51.3* 7.438 S 128.421 E 170 « 4.5 0.9 17 BANDA SEA18 19 43 56.8* 54.020 N 164.230 E 25 D 4.4 0.9 31 KOMANDORSKY ISLANDS REGION18 19 52 13.6* 7.341 N 73.794 W 180 « 1.5 8 NORTHERN COLOMBIA18 20 21 45.7? 26.01 S 27.28 E 5 G 0.5 5 REPUBLIC OF SOUTH AFRICA. mbLg 3.3 (BUL).

f 18 21 10 41.4 38.307 N 22.452 E 15 G 5.9 5.7 1.4 510 GREECE. mbLg 6.1 (MOD). MD 5.5 (ATH), 5.5 (TTG). ML 5.3(TlR). Slight damage at Goloxidhion. Felt in Akhaia, Argalis, Attiki, Evvoia, Korinthia and Larisa Provinces. Also felt at Athens. Two events about 2.4 seconds apart. Depth from broadband displacement seismograms, based an first event.

18 21 21 20.9 58.029 N 148.659 W 10 G 0.5 58 GULF OF ALASKA. ML 2.6 (AEIC).18 21 26 13.0 7.268 S 106.193 E 48 D 5.3 1.2 114 JAWA, INDONESIA18 21 40 48.24 35.200 N 97.550 W 5 G 7 OKLAHOMA. <TUL>. mbLg 2.0 (TUL).18 22 02 17.0 40.611 N 22.838 E 10 G 1.0 12 GREECE18 22 53 31.855 31.875 S 68.210 W 110 G 0.2 6 SAN JUAN PROVINCE, ARGENTINA18 23 56 34.8? 52.08 N 176.28 E 33 N 4.1 0.3 7 RAT ISLANDS, ALEUTIAN ISLANDS19 00 00 28.4* 4.059 S 142.820 E 66 ? 3.8 1.2 12 NEW GUINEA. PAPUA NEW GUINEA

a 19 00 49 27.0 31.146 N 131.445 E 36 D 5.0 5.3 1.2 149 KYUSHU, JAPAN19 00 53 10.5 31.148 N 131.423 E 34 D 5.1 5.0 1.0 128 KYUSHU, JAPAN19 01 08 35.7? 38.69 S 175.02 E 299 ? 0 4 22 NORTH ISLAND, NEW ZEALAND19 02 13 18.7 23.605 S 179.916 W 549 ? 5.3 1.1 51 SOUTH OF FIJI ISLANDS19 02 44 25.3* 35.238 N 3.660 W 10 G 1.4 9 STRAIT OF GIBRALTAR. mbLg 3.0 (MOD).19 02 44 57.6% 38,752 N 26.505 E 10 G 0.2 5 AEGEAN SEA. MD 3.0 (ISK).19 02 50 48.0? 35.43 N 3.40 W 10 G 0.5 9 STRAIT OF GIBRALTAR. MD 3.7 (RBA). mbLg 3.3 (MOD).19 03 01 45.9 43.892 N 128.207 W 10 G 4.2 4.2 0.8 96 OFF COAST OF OREGON19 03 22 39.9 23.814 S 179.067 E 575 D 5.0 1.1 99 SOUTH OF FIJI ISLANDS19 03 39 04.4 54.138 N 164.112 E 25 D 4.7 08 53 KOMANDORSKY ISLANDS REGION19 03 41 05.2* 38.311 N 22.762 E 10 G 1.4 5 GREECE. ML 3.0 (ATH).19 03 54 18.8? 33.69 S 72.61 W 10 G 1.1 20 OFF COAST OF CENTRAL CHILE. MD 4.7 (SAN).19 04 20 50.9* 47.306 N 148.296 E 33 N 4.5 05 17 NORTHWEST OF KURIL ISLANDS

PAGE 13 NOV 1992

19 84 42 33.5 8.389 N 124.346 E 163 5.2 1.1 41 MINAHASSA PENINSULA. SULAWESI19 85 19 38.24 59.249 N 152.374 W 68 4.3 88 SOUTHERN ALASKA. <AEIC>. ML 3.6 (AEIC), 3.7 (PMR).19 85 29 11.1 38.369 N 22.566 E 16 G 8.9 14 GREECE. MD 3.2 (ATM).19 86 58 51.5? 15.68 N 92.92 W 33 N 4.4 1.6 33 MEXICO-GUATEMALA BORDER REGION19 87 88 49.9? 38.37 S 69.86 W 138 G 8.5 7 CHILE-ARGENTINA BORDER REGION19 88 32 81.6* 38.432 S 23.911 E 18 G 8.5 5 REPUBLIC OF SOUTH AFRICA. mbLg 4.8 (BUL).19 88 47 56.6» 35.382 N 139.692 E 33 N 4.2 1.4 9 NEAR S. COAST OF HONSHU, JAPAN19 88 53 88.5? 14.14 N 144.98 E 111 4.4 8.7 9 MARIANA ISLANDS19 89 22 54.2% 33.821 S 78.887 W 18 G 8.2 18 CHILE-ARGENTINA BORDER REGION. MD 3.4 (SAN).19 18 07 88.1% 42.448 N 19.183 E 18 G 8.4 7 NORTHWESTERN BALKAN REGION. ML 1.3 (TTG).19 18 19 44.1* 50.883 N 6.259 E 18 G 8.4 8 GERMANY. MD 1.9 (UCC). ML 1.8 (BNS).19 18 51 25.9* 40.316 N 19.837 E 16 G 1.1 6 ALBANIA. ML 3.8 (TIR).19 18 59 14.4% 39.859 N 27.585 E 18 G 8.8 5 TURKEY. MD 2.6 (ISK).

o 19 12 37 49.1 13.488 S 166.723 E 24 D 5.3 4.9 1.8 48 VANUATU ISLANDS19 13 09 82.1» 42.136 N 73.244 E 33 N 4.5 1.3 18 KYRGVZSTAN. Felt (Ml) at Chatbazor and (II) at Tokhas.

Also felt (III) at Dzhambul. Kazakhstan.19 13 49 56.7? 42.58 N 23.91 E 18 G 1.4 6 BULGARIA19 14 29 82.4* 8.163 S 117.924 E 22 4.8 1.1 25 SUMBAWA REGION. INDONESIA19 14 46 88.8» 39.896 N 24.877 E 18 G 0.9 8 AEGEAN SEA19 17 16 58.5% 61.488 N 5.856 E 18 G 8.3 5 SOUTHERN NORWAY. MD 2.1 (BER).19 18 07 51.8 38.847 N 26.848 E 18 G 8.6 31 AEGEAN SEA. MD 4.8 (ATH). 3.8 (ISK). Felt at Izmir,

Turkey.19 18 22 38.64 34.888 N 97.573 W 5 G 11 OKLAHOMA. <TUL>. MD 1.8 (TUL).19 18 41 26.6? 6.83 S 146.71 E 33 N 4.3 8.7 9 EASTERN NEW GUINEA REG., P.N.G. ML 4.6 (PMG).19 18 46 36.9* 51.725 N 185.444 E 33 N 4.4 1.2 9 LAKE BAYKAL REGION. RUSSIA. Felt (IV) at Babushkin ond

Listvyanka; (III) at Irkutsk; (II) at Kabansk and Tyrgana.

19 19 07 39.1* 22.182 S 78.886 W 48 D 5.8 1.2 21 NEAR COAST OF NORTHERN CHILE19 19 19 28.4% 39.326 N 29.845 E 5 G 8.6 8 TURKEY. MD 3.1 (ISK).19 19 59 44.4% 46.216 N 2.892 E 18 G 0.5 5 FRANCE. ML 1.6 (LOG).19 28 29 83.64 61.130 N 151.830 W 54 54 SOUTHERN ALASKA. <AEIC>. ML 2.5 (AEIC).19 21 85 49.8» 38.925 S 175.558 E 155 3.5 8.8 35 NORTH ISLAND, NEW ZEALAND19 22 47 66.7? 9.82 S 161.61 E 121 ? 3.6 8.8 6 SOLOMON ISLANDS19 23 52 38.74 63.921 N 148.959 W 0 G 63 CENTRAL ALASKA. <AEIC>. ML 2.6 (AEIC). 3.3 (PMR). Blost

at UsibelIi Cool Mi ne. 28 88 07 87.34 61.587 N 146.523 W 32 48 SOUTHERN ALASKA. <AEIC>. ML 2.5 (AEIC).28 88 47 24.5? 31.69 S 69.52 W 130 G 8.3 5 SAN JUAN PROVINCE. ARGENTINA28 81 85 84.5* 24.315 S 67.157 W 218 1.8 9 CHILE-ARGENTINA BORDER REGION28 81 27 45.8? 48.99 N 18.71 E 18 G 1.3 5 CZECHOSLOVAKIA. ML 2.6 (WAR).

a 20 81 45 22.6 23.126 S 66.282 W 253 D 5.1 1.3 122 JUJUY PROVINCE. ARGENTINA20 81 49 56.4% 39.488 N 28.366 E 18 G 8.5 7 TURKEY. MD 3.8 (ISK).20 02 48 22.8 39.189 N 20.583 E 18 G 0.9 13 GREECE-ALBANIA BORDER REGION. MD 3.8 (ATH).

a 28 03 46 14.9* 31 682 S 13.548 W 18 G 5.1 4.9 1.2 36 SOUTHERN MID-ATLANTIC RIDGE28 04 28 33.64 32.828 N 116.215 W 6 G 11 CALIF.-BAJA CALIF. BORDER REGION. <PAS-P>. ML 3.4

(PAS).28 84 42 48.7? 25.09 S 179.92 E 564 ? 5.8 1.4 29 SOUTH OF FIJI ISLANDS20 87 18 86.9? 17.88 N 121.29 E 33 N 4.1 1.3 5 LUZON, PHILIPPINE ISLANDS28 87 43 42.7% 41.412 N 23.422 E 10 G 0.9 6 GREECE-BULGARIA BORDER REGION28 87 58 59.3% 33.387 S 68.304 W 33 N 8.7 5 MENDOZA PROVINCE. ARGENTINA28 08 08 38.14 67.373 N 146.568 W 25 78 NORTHERN ALASKA. <AEIC>. ML 3.9 (AEIC). 4.6 (PMR). Felt

(III) at Arct ic Vi I I age.28 08 33 23.6» 25.658 S 13.948 W 18 G 4.1 0.8 11 SOUTHERN MID-ATLANTIC RIDGE28 88 42 56.6 40.960 S 172.835 E 222 0.5 39 OFF W. COAST OF S. ISLAND, N.Z.20 08 46 36.4? 7.41 S 143.01 E 33 N 4.2 1.0 5 NEAR S COAST OF NEW GUINEA, PNG.20 09 41 25.9 41.723 N 23.140 E 10 G 1.0 11 GREECE-BULGARIA BORDER REGION. ML 2.7 (SKO).20 09 46 08.34 61.623 N 149.971 W 38 53 SOUTHERN ALASKA. <AEIC>. ML 2.6 (AEIC).20 09 46 24.6% 43.065 N 0.597 W 10 G 0.2 5 PYRENEES. ML 1.0 (STR).20 09 59 27.94 60.836 N 146.880 W 26 54 SOUTHERN ALASKA. <AEIC> ML 2.5 (AEIC).20 11 20 39.34 64.846 N 149.071 W 22 35 CENTRAL ALASKA. <AEIC>. ML 2.6 (AEIC). 3.3 (PMR).20 11 49 55.74 58.192 N 142.671 W 10 G 33 GULF OF ALASKA. <AEIC>. ML 2.7 (AEIC).26 11 50 59.94 58.214 N 142.851 W 10 25 GULF OF ALASKA. <AEIC>. ML 3.0 (AEIC).20 12 28 10.8? 32.44 S 71.85 W 10 G 0.8 9 NEAR COAST OF CENTRAL CHILE. MD 3.5 (SAN).20 13 43 41.34 60.083 N 153.055 W 109 54 SOUTHERN ALASKA. <AElC>.20 14 57 42.7& 34.410 N 119.807 W 13 16 SOUTHERN CALIFORNIA. <PAS-P>. ML 2.8 (PAS). 2.7 (GS).20 16 09 46.4? 19.36 N 66.49 W 10 G 0.4 5 PUERTO RICO REGION20 17 07 42.0 40.743 N 30.751 E 10 G 0.6 14 TURKEY. MD 3.4 (ISK).20 17 12 40.3? 5.76 S 147.11 E 187 ? 4.9 1.7 8 EASTERN NEW GUINEA REG., P.N.G.20 18 40 18.0» 36.885 N 29.287 E 10 G 0.9 5 TURKEY. MD 3.2 (ISK).20 18 50 27.4% 40.397 N 30.067 E 10 G 1.1 6 TURKEY. MD 2.8 (ISK).20 18 52 34.5% 47.687 N 7.022 E 10 G 0.6 5 SWITZERLAND. ML 2.2 (LOG).20 18 53 02.1 57.100 N 147 535 W 10 G 0.6 78 GULF OF ALASKA. ML 3.6 (AEIC). 3.6 (PMR).20 19 43 04.1? 40.23 N 27.73 E 10 G 0.4 4 TURKEY. MD 2.3 (ISK).20 19 59 21.4% 42.456 N 19.367 E 19 0.1 9 NORTHWESTERN BALKAN REGION. ML 1.7 (TTG).20 20 45 07.0 46.296 N 7.393 E 10 G 1.0 20 SWITZERLAND. ML 2.8 (LOG).20 21 12 11.8? 40.55 N 30.12 E 5 G 0.9 4 TURKEY. MD 2.6 (ISK).20 21 29 34.0? 38.04 N 22.65 E 33 N 0.2 4 GREECE. MD 3.0 (ATH).20 21 51 55.6 44.403 N 142.260 E 232 4.4 0.8 73 HOKKAIDO. JAPAN REGION20 23 01 32.7* 43.076 N 20.819 E 10 G 1.3 10 NORTHWESTERN BALKAN REGION. ML 2.3 (TTG).20 23 07 17.1 50.167 N 143.552 E 37 5.0 4.3 1.0 131 SAKHALIN ISLAND. Felt (IV) at

A Ieksandrovsk-SakhaIinskiy, Pogranichnaye, Tikhmeneva ond Vakhrushev; (III) at Uglegarsk.

20 23 29 38.2? 38.33 N 22.52 E 33 N 0.8 4 GREECE. MD 3.0 (ATH).21 00 16 50.0? 40.58 N 24.21 E 10 G 0.3 5 AEGEAN SEA21 00 23 48.1 36.693 N 21.220 E 67 4.1 1.1 71 SOUTHERN GREECE21 00 29 47.0* 40.502 S 45 236 E 10 G 4.4 0.8 13 SOUTHWEST INDIAN RIDGE21 00 44 17.3* 44.568 S 167.294 E 131 ? 0.9 23 SOUTH ISLAND. NEW ZEALAND21 01 11 23.2* 38.303 S 176.195 E 193 * 0.7 25 NORTH ISLAND. NEW ZEALAND21 01 14 09.4 37.968 N 66.541 E 10 G 4.5 1.4 29 AFGHANISTAN-TAJIKISTAN BORD REG.21 01 31 02.2 44.562 N 7.456 E 20 0.5 18 NORTHERN ITALY. ML 2.2 (LDG).21 02 14 16.1 40.613 N 22.801 E 10 G 0.3 7 GREECE21 02 21 43.2& 34.830 N 97.680 W 5 G 9 OKLAHOMA. <TUL>. mbLg 2.2 (TUL).

a 21 03 04 08.0 8.643 S 110.423 E 48 D 5 3 4.8 1.1 121 JAWA. INDONESIA21 03 42 29.1 40.619 N 22.800 E 10 G 028 GREECE

NOV 1992 PAGE 14

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TONGA ISLANDSCENTRAL MEDITERRANEAN SEA. Felt on Kriti and in thewestern PeIoponnisos, Greece. Also felt at Edhessa andKostoria. Greece. Felt (IV) at Dubrovnik, Croatia.Depth from broadband displacement seismograms.SOUTHERN BOLIVIALA RIOJA PROVINCE, ARGENTINAKERMADEC ISLANDS REGIONLEEWARD ISLANDS. ML 3.6 (FDF). MD 3.6 (TRN).FOX ISLANDS, ALEUTIAN ISLANDS. ML 4.6 (PMR).NORTHERN ITALY. MD 3.6 (TRl).FOX ISLANDS, ALEUTIAN ISLANDS. ML 4.6 (PMR).IRIAN JAYA REGION, INDONESIACORSICATURKEY. MD 2.6 ( ISK).NORTHERN CHILEASCENSION ISLAND REGIONCHILE-ARGENTINA BORDER REGION. MD 3.7 (SAN).CHILE-ARGENTINA BORDER REGION. MD 3.8 (SAN).NORTHWESTERN BALKAN REGION. ML 1.3 (TTG).VENEZUELA. Felt at Guri and Ciudad Bolivar.NORTHERN COLOMBIAOFF COAST OF CHIAPAS, MEXICOROMANIA. MD 4.6 (TTG). Felt (V) in the Vrancea regionand (IV) at Bucharest. Also felt in northern Bulgaria.TURKEY. MD 2.7 (ISK).TAIWAN REGIONCENTRAL CALIFORNIA. <PAS-P>. ML 3.5 (PAS), 3.6 (GS).Felt (IV) at Caliente and (II) ot Tehachapi.GULF OF ALASKA. <AEIC>. ML 2.8 (AElC).FRANCE. ML 2.2 (LOG).MONTANA. ML 3.4 (GS), 3.4 (PGC).NEAR COAST OF CENTRAL CHILE. MD 4.1 (SAN).JAN MAYEN ISLAND REGION. MD 3.8 (BER).TONGA ISLANDSFIJI ISLANDS REGIONNORTHERN ITALYSWITZERLANDCENTRAL CALIFORNIA. <PAS-P>.NORTHERN CHILENORTHERN ALASKA. <AEIC>. ML 2.8NEAR COAST OF VENEZUELASOUTH SANDWICH ISLANDS REGION.displacement seismogroms.OFF W COAST OF S. ISLAND, N.Z.SOUTH SANDWICH ISLANDS REGIONSANTA CRUZ ISLANDSTURKEY. MD 2.9 (ISK).TIMOR REGION, INDONESI ASOUTH SANDWICH ISLANDS REGIONANDREANOF ISLANDS, ALEUTIAN IS.GREECECENTRAL ITALYROMAN I AGREECESOUTH SANDWICH ISLANDS REGIONPRINCE EDWARD ISLANDS REGIONPRINCE EDWARD ISLANDS REGIONSOUTHERN GREECE. ML 3.2 (ATH).SOUTH ISLAND, NEW ZEALAND. ML 3.9 (WEL).GREECETURKEY. MD 2.8 ( ISK).GREECE-ALBANIA BORDER REGION. ML 2.1 (SKO).TURKEY. MD 3.0 (ISK).AEGEAN SEA. MD 3.1 (ISK).SOUTHERN ALASKA. <AEIO.NICOBAR ISLANDS, INDIASOUTH OF MARIANA ISLANDSSAMAR, PHILIPPINE ISLANDSIRIAN JAYA REGION, INDONESIASTRAIT OF GIBRALTAR. mbLg 3.e (MOD).TURKEY. MD 2.9 (ISK).MYANMARCENTRAL ALASKA. <AEIC>.NORTHWESTERN BALKAN REGIONGULF OF ALASKA. <AEIC>. ML 2.6 (AEIC).TA(WANFRANCE. ML 1.9 (LOG).SOUTH SANDWICH ISLANDS REGIONSOUTH SANDWICH ISLANDS REGIONTURKEY. MD 2.8 (ISK).SOUTHEASTERN ALASKA. <AEIC>. ML 2.5 (AEIC).SOUTH SANDWICH ISLANDS REGIONCHILE-ARGENTINA BORDER REGION. MD 3.7 (SAN).CHILE-ARGENTINA BORDER REGION. MD 3.7 (SAN).TALAUD ISLANDS. INDONESIATURKEY. MD 2.7 (ISK).FOX ISLANDS, ALEUTIAN ISLANDSCENTRAL ITALY. MD 3.1 (FIR). ML 2.9 (LOG).SOUTHERN MOLUCCA SEAFRANCE. ML 2.5 (LOG).SOUTHERN ALASKA. <AEIC>.TONGA ISLANDS

MD 2.2 (LJU), 1.9 (TRl)

PAGE 15 NOV 1992

22 17 46 36.3* 3.616 N 126.669 E 74 « 4.6 1.2 16 TALAUD ISLANDS, INDONESIA22 18 45 82.9 46.641 N 23.548 E 10 G e.6 13 GREECE22 18 53 27.5? 18.15 N 145.38 E 473 ? 3.9 1.4 16 MARIANA ISLANDS22 19 35 42.6? 39.31 N 28.87 E 16 G 6.1 4 TURKEY. MD 2.6 (ISK).22 19 41 64.8* 43.811 N 149.315 E 33 N 4.7 6.9 20 EAST OF KURIL ISLANDS22 19 49 48.9? 13.60 N 89.07 W 72 « 4.4 1.4 8 EL SALVADOR. Felt (III) at San Salvador.22 19 52 51.6? 51.57 N 16.19 E 10 G 6.8 7 POLAND. ML 3.5 (VIE), 3.3 (GRF).22 26 69 32.4? 52.58 N 169.14 W 33 N 4.4 1.1 12 FOX ISLANDS, ALEUTIAN ISLANDS22 21 11 67.1 29.266 S 71.232 W 44 D 5.1 1.1 82 NEAR COAST OF CENTRAL CHILE. MD 5.1 (SAN).22 21 24 59.2 35.312 N 3.866 W 16 G 1.6 14 STRAIT OF GIBRALTAR. mbLg 3.1 (MOD).22 21 26 23.2* 43.466 N 16.942 E 10 G 0.9 10 NORTHWESTERN BALKAN REGION. ML 2.5 (TTG).22 21 49 09.9? 35.20 N 3.86 W 10 G 0.9 4 STRAIT OF GIBRALTAR. mbLg 2.3 (MOD).22 22 01 28.0% 42.479 N 19.368 E 10 G 0.6 8 NORTHWESTERN BALKAN REGION. ML 1.2 (TTG).22 22 26 46.5% 39.674 N 15.372 E 10 G 0.7 8 SOUTHERN ITALY22 22 41 40.1* 56.388 S 25.388 W 33 N 4.9 0.4 12 SOUTH SANDWICH ISLANDS REGION22 23 11 16.2? 31.91 S 71.52 W 33 N 0.5 12 NEAR COAST OF CENTRAL CHILE. MD 3.9 (SAN).22 23 29 21.6* 38.152 S 72.025 W 59 « 1.1 24 CENTRAL CHILE. MD 4.4 (SAN).22 23 30 33.2 38.794 N 22.403 E 10 G 0.5 13 GREECE23 00 20 30.5? 32.90 S 71.79 W 33 N 1.2 13 NEAR COAST OF CENTRAL CHILE. MD 4.0 (SAN).23 00 42 16.4 43.513 N 17.020 E 16 1.0 46 NORTHWESTERN BALKAN REGION. MD 4.0 (TRI). ML 3.7 (TTG),

3.6 (TIR) , 3.6 (ZAG).23 00 59 14.6? 43.33 N 19.96 E 10 G 0.7 8 NORTHWESTERN BALKAN REGION. ML 1.9 (TTG).23 02 20 00.4 43.220 N 26.800 E 9 1.0 20 BULGARIA23 02 41 16.6* 23.968 S 67.507 W 198 ? 0.7 8 CHILE-ARGENTINA BORDER REGION23 02 47 16.5% 37.813 N 3.992 W 10 G 0.6 6 SPAIN. mbLg 2.4 (MOD).23 03 54 19.9% 40.055 N 23.638 E 10 G 0.8 6 GREECE23 04 01 34.4* 34.955 N 116.939 W 4 19 SOUTHERN CALIFORNIA. <PAS-P>. ML 3.5 (PAS), 3.3 (GS).

Fel t .23 04 05 03.1% 43.139 N 20.210 E 10 G 0.4 9 NORTHWESTERN BALKAN REGION. ML 1.7 (TTG).23 04 22 31.6? 46.74 N 7.65 E 10 G 0.8 5 SWITZERLAND. ML 2.4 (LOG).23 04 58 43.8 32.752 S 68.117 W 41 * 1.0 29 MENDOZA PROVINCE, ARGENTINA. MD 4.5 (SAN). Felt (III)

a t Mendozo.23 05 49 11.7% 39.314 N 27.599 E 10 G 0.5 6 TURKEY. MD 3.0 (ISK).23 06 07 59.3& 34.407 N 116.467 W 4 9 SOUTHERN CALIFORNIA. <PAS-P>. ML 3.1 (PAS), 2.9 (GS).23 06 22 38.7* 12.280 N 141.478 E 33 N 5.0 4.3 1.0 25 SOUTH OF MARIANA ISLANDS23 06 29 40.4* 12.344 N 141.402 E 33 N 4.9 1.1 14 SOUTH OF MARIANA ISLANDS23 06 30 15.9? 18.89 N 67.19 W 33 N 0.3 9 MONA PASSAGE23 06 31 14.9 18.743 N 67.168 W 31 D 4.9 4.7 1.0 159 MONA PASSAGE. Felt throughout much of Puerto Rica.23 06 48 16.4% 18.448 N 66.635 W 10 G 0.5 5 PUERTO RICO REGION23 06 52 20.3% 44.300 N 7.242 E 10 G 0.4 8 NORTHERN ITALY. ML 2.0 (GEN).23 07 06 08.1? 18.96 N 67.22 W 33 N 0.4 8 MONA PASSAGE23 07 11 16.6* 36.611 N 71.173 E 228 ? 4.5 0.7 13 AFGHANISTAN-TAJIKISTAN BORD REG.23 07 19 33.8* 7.481 S 129.388 E 136 * 0.6 9 BANDA SEA23 07 23 17 2% 18.086 N '00.643 W 33 N 1.4 5 GUERRERO, MEXICO23 67 40 55.0 44.358 N 7.306 E 9 0.7 16 NORTHERN ITALY. ML 2.2 (LOG), 2.1 (GEN).23 08 21 54.1? 39.06 N 27.56 E 10 G 0.4 4 TURKEY. MD 2.7 (ISK).23 09 03 15.4* 4.478 N 123.219 E 552 * 4.9 0.7 15 CELEBES SEA23 09 07 36.3* 34.336 N 116.903 W 2 17 SOUTHERN CALIFORNIA. <PAS-P> ML 3.3 (PAS), 3.6 (GS).23 09 27 38.4? 4.85 S 148.34 E 202 * 5.3 1.4 10 BISMARCK SEA23 10 50 15 6* 34.338 N 116 903 W 3 18 SOUTHERN CALIFORNIA. <PAS-P>. ML 3.4 (PAS), 3.4 (GS).23 10 59 23.1? 40.55 N 27.84 E 5 G 0.7 4 TURKEY. MD 2.4 (ISK).23 11 27 28.6 43.706 N 9.757 E 10 G 0.8 13 CORSICA23 11 56 09.9* 34.830 N 97.670 W 5 G 7 OKLAHOMA. <TUL>. mbLg 2.3 (TUL).23 12 38 33.8? 39.07 N 27.59 E 10 G 0.4 4 TURKEY. MD 2.9 (ISK).23 13 09 32.4% 34.326 S 71.137 W 60 G 0.3 8 NEAR COAST OF CENTRAL CHILE23 15 04 27.4? 18.92 N 67.18 W 33 N 0.2 7 MONA PASSAGE23 15 10 57.6? 19.72 S 178.27 W 465 ? 4.5 1.3 12 FIJI ISLANDS REGION23 15 13 14.3* 38.852 N 21.786 E 26 « 1.5 12 GREECE. ML 3.2 (ATH).23 15 20 56.0? 18.28 N 66.93 W 33 N 1.2 5 PUERTO RICO REGION23 16 16 27.1? 38.20 N 26.82 E 10 G 0.6 4 AEGEAN SEA. MD 3.1 (ISK).23 16 51 11.0? 17.99 S 175.18 W 230 G 4.3 0.9 16 TONGA ISLANDS23 17 11 23.9? 7.43 S 128.92 E 113 ? 0.2 5 BANDA SEA23 17 50 49.3 37.351 N 70.791 E 33 N 4.1 0.4 9 AFGHANISTAN-TAJIKISTAN 80RD REG.23 18 02 15.5 10.086 N 83.958 W 10 G 0.4 8 COSTA RICA. MD 3.9 (HOC). Felt (IV) at San Jose.23 18 32 40.84 66.825 N 143.454 W 0 10 NORTHERN ALASKA. <AEIC> ML 3.1 (AEIC).23 18 45 53.3* 36.849 S 177.867 E 248 « 0.8 37 OFF E. COAST OF N. ISLAND, N.Z.23 19 43 11.4. 6.631 S 128.385 E 297 « 4.5 0.8 14 BANDA SEA23 19 43 23.2& 40.480 N 125.666 W 12 8 OFF COAST OF NORTHERN CALIFORNIA. <GM-P>. MD 3.4 (GM).23 19 57 22.6* 1.594 S 67.491 E 10 G 5.2 0.9 14 CARLSBERG RIDGE23 20 59 56.3* 38 078 N 121.857 W 14 24 NORTHERN CALIFORNIA. <BRK>. ML 2.8 (BRK). MD 3.0 (GM).

Felt at Albany, Berkeley, Birds Landing, Concord,Moroga ond Pittsburg.

23 21 23 33.5? 20.24 N 94.19 E 33 N 0.6 6 MYANMAR23 22 19 50.6% 33.786 S 71.375 W 33 N 0.5 10 NEAR COAST OF CENTRAL CHILE. MD 3.4 (SAN).23 22 20 16.3 38.188 S 175.950 E 218 * 0.4 25 NORTH ISLAND, NEW ZEALAND23 22 35 04.7 3.554 S 139.658 E 33 N 4.7 0.7 10 IRI AN JAYA, INDONESIA23 23 11 06.7 38.620 N 72.635 E 41 D 5.6 5.0 1.0 399 TAJIKISTAN23 23 37 31.8* 22.483 S 68.649 W 99 ? 4.9 1.5 6 NORTHERN CHILE24 00 03 37.8* 37.262 N 20.877 E 10 G 1.1 12 IONIAN SEA24 00 21 56.4? 38.42 N 72.74 E 40 G 0.4 6 TAJIKISTAN24 00 53 45.3 51.175 N 179.117 E 33 N 5.6 5.3 1.2 415 RAT ISLANDS, ALEUTIAN ISLANDS. Felt (III) on Amchitka

ond (II) on Adak.24 01 06 02.4 51.199 N 179.176 E 33 N 4.2 0.9 22 RAT ISLANDS, ALEUTIAN ISLANDS24 01 06 31.8 51.254 N 179.047 E 33 N 4.8 0.9 76 RAT ISLANDS, ALEUTIAN ISLANDS24 01 12 30.7 51.197 N 179.048 E 33 N 4.8 1.1 38 RAT ISLANDS. ALEUTIAN ISLANDS24 01 18 29.9% 33.784 S 71.369 W 33 N 0.4 10 NEAR COAST OF CENTRAL CHILE24 02 06 43.7% 38.014 N 26.925 E 10 G 1.1 5 AEGEAN SEA. MD 2.2 (ISK).24 02 24 06.1* 34.062 N 116.366 W 4 7 SOUTHERN CALIFORNIA. <PAS-P>. ML 3.1 (PAS), 2.8 (GS).

Fel t . 24 03 47 24.6 37.708 N 21.514 E 51 * 3.9 1.1 43 SOUTHERN GREECE. MD 4.1 (ATH). Felt in most of the

Pe I oponn i sos.24 04 35 12.9% 40.401 N 28.340 E 10 G 0.5 5 TURKEY. MD 2.9 (ISK).24 05 01 02.7 43.919 N 10.375 E 5 G 0.9 29 CENTRAL ITALY. ML 2.9 (LDG). MD 2.8 (FIR).

NOV 1992 PAGE 16

24 05 14 21.8 33.486 S 72.979 W 32 D 5.1 1.0 85 OFF COAST OF CENTRAL CHILE. MD 4.8 (SAN).24 05 37 00.6 51.255 N 175.824 W 33 N 4.6 4.6 1.1 57 ANDREANOF ISLANDS. ALEUTIAN IS.24 05 45 22.7? 35.32 N 26.84 E 18 G 0.4 5 CRETE. ML 3.9 (CSS).24 06 07 23.2? 34.83 S 71.25 W 120 G 0.6 10 NEAR COAST OF CENTRAL CHILE24 06 11 49.3? 33.90 S 72.01 W 10 G 0.5 11 OFF COAST OF CENTRAL CHILE. MD 3.9 (SAN).24 06 32 48.6? 41.03 N 23.66 E 10 G 0.8 5 GREECE-BULGARIA BORDER REGION24 06 38 43.4 40.687 N 23.414 E 10 G 0.5 12 GREECE24 07 02 51.3 1.487 N 127.085 E 103 5.0 1.1 36 HALMAHERA, INDONESIA24 07 13 58 5& 59.773 N 153.029 W 94 45 SOUTHERN ALASKA. <AEIC>.24 07 29 15.2 51.436 N 16.160 E 10 G 0.5 12 POLAND. ML 3.6 (GRF), 3.5 (VIE).24 07 32 52.4* 14.386 N 92.948 W 66 * 4.5 1.2 19 NEAR COAST OF CHIAPAS. MEXICO24 07 38 04.3? 32.38 S 70.60 W 130 G 0.3 10 CHILE-ARGENTINA BORDER REGION. MD 3.4 (SAN).24 07 46 39 4? 39.38 N 27.61 E 10 G 0.6 4 TURKEY. MD 3.0 (ISK).24 07 48 56.2* 47.367 N 14.799 E 10 G 0.6 6 AUSTRIA. ML 3.2 (BRA). 2.9 (VIE). Felt (IV) ot

T ro fo i ch.24 08 26 43.4% 43.270 N 18.926 E 10 G 0.3 9 NORTHWESTERN BALKAN REGION. ML 2.0 (TTG).24 09 05 22.7* 44.791 N 14.861 E 10 G 0.4 5 ADRIATIC SEA. MD 2.5 (LJU).24 09 06 26.9& 34.144 N 116.880 W 10 25 SOUTHERN CALIFORNIA. <PAS-P>. ML 3.8 (PAS). 3.6 (GS).

Felt (IV) at Yucaipa. Felt (III) at Calimesa andH i ghI and.

24 09 34 36.3& 39.720 N 122.084 W 16 15 NORTHERN CALIFORNIA. <GM-P>. MD 3.1 (GM).24 12 00 34.4? 18.97 N 67.23 W 33 N 0.3 9 MONA PASSAGE. MD 4.3 (MPR). Felt ot Son Juan. Puerto

R i ca . a 24 12 03 35.8 1.355 N 101.323 W 10 G 5.2 5.4 0.8 143 EAST CENTRAL PACIFIC OCEAN

24 12 13 19.8& 36.320 N 89.470 W 5 20 NEW MADRID, MISSOURI REGION. <SLM-P>. MD 2.7 (SLM).24 12 52 13.8* 31.434 S 69.194 W 120 G 0.8 14 SAN JUAN PROVINCE. ARGENTINA. MD 4.1 (SAN).24 13 22 09.4* 18.499 S 69.624 W 151 * 0.8 7 NORTHERN CHILE24 14 02 29.0% 43.856 N 7.061 E 10 G 0.5 8 NEAR SOUTH COAST OF FRANCE24 14 07 42.4% 42.278 N 19.434 E 10 G 0.6 9 NORTHWESTERN BALKAN REGION. ML 1.4 (TTG).24 14 33 21.8? 40.62 N 23.05 E 10 G 0.3 4 GREECE24 14 33 36.7% 42.267 N 19.458 E 10 G 0.5 8 NORTHWESTERN BALKAN REGION. ML 1.5 (TTG).24 15 43 15.7? 6.00 S 146.46 E 121 ? 4.3 1.1 5 EASTERN NEW GUINEA REG.. P.N.G.24 15 58 05.2% 34.488 S 70.376 W 6 0.4 10 CHILE-ARGENTINA BORDER REGION. MD 3.5 (SAN).24 16 20 48.5* 20.165 S 169.501 E 135 * 4.4 1.2 21 VANUATU ISLANDS24 16 39 40.2? 19.26 N 145.63 E 33 N 4.5 1.6 10 MARIANA ISLANDS24 17 41 20.9 31.205 S 68.557 W 121 * 0.9 21 SAN JUAN PROVINCE. ARGENTINA. MD 4.2 (SAN).24 17 46 28.1* 6.934 S 72.162 E 10 G 4.8 0.9 18 CHAGOS ARCHIPELAGO REGION24 19 09 42.0% 42.451 N 19.125 E 10 G 0.7 8 NORTHWESTERN BALKAN REGION. ML 1.3 (TTG).24 19 20 11.1% 33.158 S 70.848 W 10 G 0.1 7 CHILE-ARGENTINA BORDER REGION. MD 3.4 (SAN).24 19 51 41.3 42.442 N 19.105 E 10 G 0.7 9 NORTHWESTERN BALKAN REGION. ML 1.9 (TTG).24 20 10 58.5* 61.333 N 151.945 W 97 61 SOUTHERN ALASKA. <AEIC>.24 20 21 55.2 39.569 N 20.383 E 21 0.9 17 GREECE-ALBANIA BORDER REGION24 21 54 53.2* 44.430 N 129.882 W 10 G 0.4 47 OFF COAST OF OREGON. MD 2.7 (SEA).24 22 11 44.4% 38.113 N 26.790 E 10 G 0.6 7 AEGEAN SEA. MD 3.3 (ISK).24 22 38 16.6% 42.982 N 17.742 E 5 G 1.0 10 ADRIATIC SEA. ML 2.2 (TTG).

0 24 23 43 03.2 0.085 S 122.828 E 200 5.5 1.1 248 MINAHASSA PENINSULA, SULAWESI25 01 03 13.2? 18.83 N 67.08 W 33 N 0.3 7 MONA PASSAGE25 01 17 00.5? 50.60 N 18.93 E 10 G 1.0 5 POLAND. ML 3.1 (WAR).25 01 18 38.9 18.593 N 63.342 W 54 * 4.3 1.2 20 LEEWARD ISLANDS. MD 4.2 (TRN).25 01 24 51 3% 40.684 N 23.480 E 10 G 0.6 5 GREECE25 02 29 46.7% 40.635 N 23.468 E 10 G 0.6 7 GREECE25 02 29 56.1% 40.655 N 23.648 E 10 G 0.8 6 GREECE25 02 40 24.84 35.045 N 116.976 W 4 42 CENTRAL CALIFORNIA. <PAS-P>. ML 4.1 (PAS), 3.8 (GS).

Felt (IV) at Apple Valley and (II) at Highland. Alsofelt ot Borstow.

25 03 22 28.3 42.348 N 19.820 E 10 G 0.6 10 NORTHWESTERN BALKAN REGION. ML 1.6 (TTG).25 03 41 36.0* 38 096 N 26.907 E 10 G 0.5 5 AEGEAN SEA. MD 2.3 (ISK).25 04 12 35.6 41.440 N 19.571 E 5 G 0.9 14 ALBANIA. ML 2.8 (TIR), 2.3 (TTG).25 04 25 30.4 37.326 N 20.595 E 10 G 4.4 1.0 41 IONIAN SEA. ML 4.1 (TIR). 4.0 (ATH).25 04 46 08.1* 37.303 N 71.641 E 33 N 4.5 1.2 8 AFGHANISTAN-TAJIKISTAN BORD REG.25 05 04 56.8* 7.883 N 127.160 E 46 ? 4.6 1.0 12 PHILIPPINE ISLANDS REGION25 05 28 48.8 37.772 N 20.384 E 10 G 0.9 16 IONIAN SEA. MD 3.7 (ATH).25 05 34 56.4? 5.96 S 146.51 E 205 ? 4.6 0.7 5 EASTERN NEW GUINEA REG.. P.N.G.25 05 46 25.1* 22.703 S 66.314 W 240 G 0.2 5 JUJUY PROVINCE, ARGENTINA25 06 00 04.7* 33.469 S 72.147 W 18 * 0.6 12 OFF COAST OF CENTRAL CHILE. MD 3.9 (SAN),

o 25 06 02 25.3 4.069 S 102.160 E 58 G 5.9 0.8 425 SOUTHERN SUMATERA, INDONESIA. Depth from broadbanddisplacement seismograms.

25 06 42 25.7? 23.87 S 66.59 W 221 ? 1.4 10 JUJUY PROVINCE, ARGENTINA25 07 18 35.5? 17.53 N 62.56 W 90 G 0.7 5 LEEWARD ISLANDS. MD 3.0 (TRN). Felt an St. Borthelemy.25 07 50 34.9& 34.163 N 116.421 W 1 28 SOUTHERN CALIFORNIA. <PAS-P>. ML 3.8 (PAS). 3.7 (GS).

Felt (IV) ot Yucoipo; (Ml) at Beaumont, Lo Ouinta andPioneertown; (M) at Colimesa and Murrieta. Also feltot Morongo VaI Iey.

25 07 58 27.1& 49.143 N 128.441 W 10 G 53 VANCOUVER ISLAND REGION. <PGC-P>.25 08 34 45.8% 17.716 N 94.660 W 130 G 0.7 6 CHIAPAS. MEXICO25 09 19 24.7% 41.414 N 29.278 E 10 G 1.2 5 TURKEY25 09 25 15.9? 41.65 N 29.69 E 10 G 0.3 4 TURKEY. MD 2.8 (ISK).25 09 38 41.1? 0.50 N 127.17 E 33 N 1.5 5 HALMAHERA, INDONESIA25 09 46 04.2 41.967 N 23.148 E 5 G 0.9 19 GREECE-BULGARIA BORDER REGION. ML 2.7 (SKO).

a 25 10 03 31.9 2.497 N 128.548 E 30 D 5.4 5.1 1.2 124 HALMAHERA, INDONESIA25 10 13 06.4% 39.120 N 27.608 E 10 G 0.5 5 TURKEY. MD 3.0 (ISK).

o 25 10 16 30.3 2.537 N 128.541 E 24 D 5.8 5.3 1.0 169 HALMAHERA, INDONESIA25 10 24 04.8* 5.965 S 149.718 E 33 N 4.9 0.7 6 NEW BRITAIN REGION, P.N.G. ML 5.1 (PMG).25 10 29 44.9? 66.47 N 14.65 E 10 G 1.2 4 NORTHERN NORWAY. MD 3.0 (BER).25 10 37 04.7 14.639 N 92.659 W 74 4.6 1.0 106 NEAR COAST OF CHIAPAS, MEXICO. Felt (I) ot Son

Salvador, El Salvador.25 10 42 31.3* 38.625 N 24.087 E 10 G 0.8 8 AEGEAN SEA. ML 3.0 (ATH).25 12 43 21.0 11.689 N 87.412 W 59 * 4.7 1.1 68 NEAR COAST OF NICARAGUA25 12 55 28.2* 56.177 S 26.778 W 33 N 4.9 1.1 19 SOUTH SANDWICH ISLANDS REGION25 13 16 20.8? 42.66 N 24.16 E 10 G 0.7 6 BULGARIA25 13 29 51.5? 11.37 N 59.44 W 33 N 0.0 5 NORTH ATLANTIC OCEAN. MD 3.8 (TRN).25 13 54 00.8* 33.012 S 68.455 W 33 N 0.5 5 MEND02A PROVINCE, ARGENTINA25 13 57 51.5* 20.072 S 69.109 W 155 * 5.0 1.0 14 NORTHERN CHILE

PAGE 17 NOV 1992

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NORTHERN ITALY. ML 3.1 (LOG), 2.8 (VIE).TURKEY. MD 2.9 (ISK).TURKEY. MD 2.6 (ISK).NEAR COAST OF CENTRAL CHILE. MD 4.0 (SAN).SOUTHERN NORWAY. MD 2.5 (BER).PYRENEESNORTH ATLANTIC OCEAN. MD 3.9 (TRN), 4.1 (PDF).ANDREANOF ISLANDS, ALEUTIAN IS.MENDOZA PROVINCE, ARGENTINA. MD 3.7 (SAN).SOUTHERN ALASKA. <AEIC>.CHILE-ARGENTINA BORDER REGION. MD 3.5 (SAN).CENTRAL CALIFORNIA. <BRK>. ML 2.9 (BRK), 3.0 (GS).SOUTHERN NORWAY. MD 1.4 (BER).VANUATU ISLANDSNORTH ISLAND, NEW ZEALANDVANUATU ISLANDSVANUATU ISLANDSNORTHERN ITALY. ML 1.8 (GEN).OFF COAST OF CENTRAL CHILE. MD 4.1 (SAN).PUERTO RICO REGIONPYRENEES. ML 3.1 (LDG). mbLg 2.7 (MDD).STRAIT OF GIBRALTAR. mbLg 2.8 (MDD).ANDREANOF ISLANDS. ALEUTIAN IS.POLAND. ML 3.1 (WAR).SAN JUAN PROVINCE, ARGENTINA. MD 4.4 (SAN).SAN JUAN PROVINCE, ARGENTINA. MD 3.8 (SAN).SOUTHERN CALIFORNIA. <PAS-P>. ML 2.8 (PAS).PUERTO RICO REGIONNORTHERN CHILENORTHERN CHILEAEGEAN SEA. MD 3.3 (ISK).NEAR COAST OF CENTRAL CHILE. MD 3.8 (SAN).NORTHERN COLOMBIAIRIAN JAYA, INDONESIAFRANCE. ML 2.7 (LDG).TONGA ISLANDSLUZON, PHILIPPINE ISLANDSTURKEY. MD 3.2 (ISK).SOUTHERN ALASKA. <AEIC>.JUJUY PROVINCE, ARGENTINAALASKA PENINSULA. <AEIC>.CHILE-ARGENTINA BORDER REGION. MD 3.1 (SAN).NEW BRITAIN REGION, P.N.G. ML 4.5 (PMG).TURKEY. MD 2.5 (ISK) .SOUTHWESTERN RYUKYU ISLANDSSOLOMON ISLANDSTIMOR SEAGREECENORTHWESTERN BALKAN REGION. ML 1.4 (TTG).NEAR COAST OF VENEZUELA. MD 3.3 (TRN).NEAR SOUTHEASTERN COAST OF CHINANORTHERN NORWAY. MD 2.9 (BER).POLAND. ML 4.6 (GRF), 4.2 (VIE).XIZANGNEAR COAST OF CENTRAL CHILENORTHERN COLOMBIA. Felt at Merida, Venezuela.CHILE-ARGENTINA BORDER REGION. MD 3.5 (SAN).KENAI PENINSULA, ALASKA. <AElC>.SWITZERLAND. ML 2 6 (LDG).SWEDEN. MD 3.5 (BER).AEGEAN SEA. MD 3.5 ( ISK) .CHILE-BOLIVIA BORDER REGIONMINDANAO, PHILIPPINE ISLANDSGREECE-BULGARIA BORDER REGIONFIJI ISLANDSGREECE-ALBANIA BORDER REGIONMINDANAO, PHILIPPINE ISLANDSIONIAN SEA. MD 3.4 (ATM).IONIAN SEA. MD 3.4 (ATM).SOUTHERN CALIFORNIA. <PAS-P>. ML 4.0 (PAS), 3.8 (GS).FeIt at Bar s tow.IONIAN SEA. ML 3.7 (T IR) .AFGHANISTAN-TAJIKISTAN BORD REG.NEAR COAST OF CENTRAL CHILE. MD 4.6 (SAN). Felt (IV) atVaI par a i so.GREECE-ALBANIA BORDER REGIONSOUTHERN PERUTONGA ISLANDS REGIONMONA PASSAGESOUTHERN ALASKA. <AEIC>. ML 3.2 (AEIC).NEAR EAST COAST OF KAMCHATKANORTHERN ITALY. ML 3.0 (LDG), 2.8 (GEN), 2.5 (STR).AEGEAN SEACENTRAL ITALYNEAR COAST OF CENTRAL CHILE. MD 4.3 (SAN).NEAR COAST OF CENTRAL CHILE. MD 4.7 (SAN).PUERTO RICO REGIONEAST OF NORTH ISLAND, N.Z.LEEWARD ISLANDS. ML 3.0 (PDF).NEAR COAST OF CENTRAL CHILE. MD 3.3 (SAN).NEAR COAST OF PERUGREECEMONA PASSAGE

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PAGE 19 NOV 1992

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ALBANIA. ML 1.8 (TTG).POLAND. ML 4.4 (GRF), 3.9 (VIE).SOUTHERN CALIFORNIA. <PAS-P>. ML 3.1 (PAS).CENTRAL BOLIVIANEAR COAST OF CENTRAL CHILE. Felt (V) at La Ligua, LosAndes, San FeIipe, La Serena, Llaillay, Valparaiso andSan Antonio; (III) at Santiogo and Rancagua; (II) atCopiapo. Felt (IV) at Mendoza, Argentina. Depth frombroadband displacement seismograms.OFF COAST OF CENTRAL CHILE. MD 4.2 (SAN).OFF COAST OF CENTRAL CHILENORTH ISLAND, NEW ZEALANDTURKEY. MD 2.8 (ISK).OFF COAST OF CENTRAL CHILE.CENTRAL CALIFORNIA. <GM-P>.GERMANY. ML 2.4 (STR).CENTRAL CALIFORNIA. <PAS-P>.TALAUD ISLANDS, INDONESIASOUTHERN ALASKA. <AEIC>.TONGA ISLANDSCHILE-ARGENTINA BORDER REGIONSOUTHERN ALASKA. <AEIC>. ML 2.9 (AEIC).NORTHWESTERN BALKAN REGION.NEAR COAST OF CENTRAL CHILE.VANUATU ISLANDSTURKEY. MD 3.0 ( ISK).VANUATU ISLANDSREPUBLIC OF SOUTH AFRICA. mbLg 3.SOUTHERN CALIFORNIA. <PAS-P>. MLNEW IRELAND REGION, P.N.G.POLANDCORSICA. ML 2.4 (LOG)HALMAHERA, INDONESIASOUTH OF FIJI ISLANDSNORTHWESTERN BALKAN REGION.CENTRAL ALASKA. <AEIC>.HALMAHERA, INDONESIAXIZANGSOUTHERN ALASKA. <AEIC>. Felt (II) at Homer.NEAR COAST OF NORTHERN CHILE. Felt (V) at Antofogasta.HALMAHERA, INDONESIAGREECEHALMAHERA, INDONESIAGREECEOFF COAST OF CENTRAL CHILE. MD 4 5 (SAN).SOUTHERN PERUIONIAN SEA. MD 3.5 (ATH).NORTHWESTERN BALKAN REGION. Felt at CikavaSOUTHERN CALIFORNIA. <PAS-P>. ML 2.9 (PAS), 2CHILE-ARGENTINA BORDER REGION. MD 3.7 (SAN).NEAR COAST OF NORTHERN CALIF. <GM-P>. MD 3.0 (GM).FIJI ISLANDS REGIONNORTH ISLAND, NEW ZEALANDCENTRAL ALASKA. <AEIC>. ML 2NEAR COAST OF CENTRAL CHILE.FIJI ISLANDS REGIONSOUTHERN CALIFORNIA. <PAS-P>SOUTH OF ALASKAMENDOZA PROVINCE, ARGENTINA.SOUTHEASTERN ALASKA. <AEIC>.AEGEAN SEA MD 3.1 (ISK).GREECEKERMADEC ISLANDS, NEW ZEALANDSOUTH ISLAND, NEW ZEALAND. ML 4.1 (WEL).C-ANSU, CHINA. ML 4.0 (BJI ) .SICILYSIC ILYNORTHERN ITALYGREECEHALMAHERA, INDONESIANEAP COAST OF NORTHERN CALIFPUERTO RICO REGIONMINDANAO, PHILIPPINE ISLANDSSOUTHEASTERN ALASKA. <AEIC>. ML 2.8 (AEIC).ALASKA PENINSULA. <AEIC>.UTAH ML 2 8 (SLC). Felt olong the Wasatch Front.KYUSHU, JAPANPUERTO RICO REGIONNEAR COAST OF CENTRAL CHILE. MD 4.0 (SAN).SAN JUAN PROVINCE, ARGENTINATURKEY. MD 2.9 (ISK).GREECENEAR COAST OF CENTRAL CHILECENTRAL CHILE. MD 4.6 (SAN).RYUKYU ISLANDSKURIL ISLANDSAEGEAN SEANEW IRELAND REGION, P.N.G.SOUTH OF HONSHU, JAPANSWEDEN. MD 2.9 (BER).NORTH ISLAND, NEW ZEALANDSOUTHERN CALIFORNIA. <PAS-P>COOK STRAIT, NEW ZEALAND

SI oven i a. 5 (GS).

.7 (AEIC). MD 3.9 (SAN).

. ML 3.5 (PAS), 3.4 (GS).

3.6 (SAN). 2.8 (AEIC)

<GM-P>. MD 2.8 (GM).

ML 2.9 (PAS), 2 6 (GS).

10V 1992

2929

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63 56.13 56.25 53.18 47.26 34.28 25.15 46.59 27.29 38.31 31 .46 67.26 44.42 55.

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NEAR COAST OF CENTRAL CHILE. MD 3.8 (SAN).SOUTHERN CALIFORNIA. <PAS-P>. ML 4.0 (PAS),Felt (V) at Apple Valley; (IV) at Fawnskin;Highland, La Ouinta, Red lands and Yucaipa;Mur r i eta.HALMAHERA, INDONESIAVENEZUELA. Felt at Tocyuo.WESTERN AUSTRALIABANDA SEACENTRAL ALASKA. <AEIC>.CHILE-ARGENTINA BORDER REGION. MD 3.9 (SAN)MINAHASSA PENINSULA. SULAWESIOFF COAST OF CENTRAL AMERICANORTHWEST OF AUSTRALIAALASKA PENINSULA. <AEIC>.OINGHAI. CHINA

. <PAS-P>. ML <GM-P>. MD 2

4.8 (GS). (Ill) at

(II) ot

3.8 (PAS) . 2.7 (GS).9 (GM). ML 3.8 (GS).

MD 3.7 (RBA). mbLg 3.3 (MOD). <PAS-P>. ML 3.5 (PAS). 3.1 (GS).

SOUTHERN CALIFORNIACENTRAL CALIFORNIA.STRAIT OF GIBRALTARSOUTHERN CALIFORNIABELGIUM. ML 2.8 (LDG), 2.5 (BNS).SOUTHERN ALASKA. <AEIC>.NORTHWESTERN BALKAN REGION. ML 2.7 (TTG).NORTHERN COLOMBIANORTHERN ITALY. ML 1.6 (GEN).MENDOZA PROVINCE, ARGENTINA. MD 4.2 (SAN).SOUTHERN CALIFORNIA. <PAS-P>. ML 3.2 (PAS). 2.7 (GS).NEAR SOUTH COAST OF FRANCE. ML 3.8 (LDG), 2.5 (STR).SOUTHERN GREECE. ML 3.3 (ATH).HOKKAIDO. JAPAN REGIONOFF COAST OF CENTRAL CHILE. MD 4.5 (SAN).FLORES REGION, INDONESIASOUTHERN ALASKA. <AEIC>.SOUTHERN XINJIANG, CHINASOUTHERN CALIFORNIA. <PAS-P>. ML 3.1 (PAS), 2.9 (GS).NORTHERN MID-ATLANTIC RIDGESOUTHERN ALASKA. <AEIC>.NORTHERN ITALY. ML 1.8 (STR).NORTHERN PERUMACOUARIE ISLANDS REGIONZAMBIA. mbLg 4.5 (BUL).CENTRAL MEXICOAEGEAN SEA. MD 3.4 (ISK).TURKEY. MD 2.8 (ISK).AZORES ISLANDS REGION. Complex event observed onbroadband displacement seismograms.AEGEAN SEASOUTHERN BOLIVIANEAR COAST OF NORTHERN CALIF. <GM-P>. MD 2.5 (GM).NORTHWESTERN BALKAN REGION. MD 2.7 (LJU), 2-3 (TRI). ML2.6 (VIE). Felt (III) at SeIe Fara, Austria.CORSICATURKEY. MD 2.7 (ISK).TURKEY. MD 3.8 (ISK).GULF OF ALASKA. <AEIC>.NEAR COAST OF GUERRERO,PUERTO RICO REGIONCOSTA RICASOUTH ISLAND, NEW ZEALANDSOUTHERN CALIFORNIA. <PAS-P>.NORTHERN ITALY. ML 2 8 (GEN).JORDAN - SYRIA REGIONOAXACA, MEXICONEAR COAST OF NORTHERN CALIF.(GS). FeIt (III) at Petrolia.ALASKA PENINSULA. <AElC>. ML 2.7 (AEIC).OAXACA, MEXICOAEGEAN SEA. MD 3.2 (ISK).AZORES ISLANDS. MG 4.3 (PDA)on Pico ond (II) on St. George.SAN JUAN PROVINCE, ARGENTINAPOLAND. ML 3.4 (VIE), 3.3 (GRF).GREECE-BULGARIA BORDER REGIONSPAIN. mbLg 2.7 (MOD).FIJI ISLANDS REGIONSOUTHERN ALASKA. <AElC>.

ML 2.8 (AEIC). MEXICO

ML 3.2 (PAS),2.9 (GS).

<BRK>. ML 3.8 (BRK), 3.2

Pelt (IV) on Foial, (III)

PAGE 21


01 07 24 39.34 5.582S 154.344E 142km5.2mb ( 25 obs.)SOLOMON ISLANDSCENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 15S, 18CCentroid Location:Origin Time 07:24:34.4 2.2Lot 6.35S 0.19 Lan 154.23E 0.09Dep 132.5 2.9 Half-duration 1.0Pr i nc i pa I Axes:

Seale 10»*16 NmT Val- 5.62 Pig-83 Azm-162 N 0.33 6 300 P -5.95 5 31

Best Double Coup Ie.Mo-5.8*10**16 NP1:Strike-127 Dip-40 Slip- 99 NP2: 295 50 83

01 09 36 42.54 28.907S 69.544W 110km5.6mb ( 56 abs.)CHILE-ARGENTINA BORDER REGIONCENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 29S. 59CCentroid Location:Origin Time 09:36:50.9 0.3Lot 29.06S 0.03 Lan 69.51W 0.04Dep 118.7 2.0 Half-duration 1.2Pr i nc i pa I Axes:

Seale 10**16 Nm T Val- 12.64 Pig-29 Azm-237 N 3.27 5 144 P -15.91 60 45

Best Double Coup Ie.Ma-1.4*10*»17 NP1:Strike-341 Dip-17 Slip- -72 NP2: 142 74 -95

01 10 63 16.35 55.633S 27.629W 25km 5.4mb ( 14 obs.) 5.1Msz ( 2 obs.) SOUTH SANDWICH ISLANDS REGION CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 9S, 14C Cent ra i d Locot i an:Origin Time 10:03:21.0 0.5 Lot 56.51S 0.11 Lon 27.82W 0.21 Dep 15.0 FIX Half-duration 1.2 Pr i nc i pa I Axes:

Scale 10**17 NmT Val- 2.11 Pig- 9 A2m-210N 0.57 22 304P -2.68 66 100

Best Double Couple Mo-2.4.1e* 17NP1:Strike-276 Dip-41 Slip 125NP2: 139 57 -64

01 17 47 46.78 2.294S 141 391E 29km 5.2mb ( 47 obs.) 5.1Msz ( 34 obs.) NEAR N COAST OF NEW GUINEA, PNG. CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 31S, 55C Centroid Location:Origin Time 17:47:41.0 0.5 Lot 2.74S 0.04 Lon 141.75E 0.05 Dep 15.0 FIX Hoif-duratian 1.2 Pr i nc i pa I Axes:

Scale 10**17 NmT Vol- 1.61 Pig- 1 Azm-168N -0.34 23 259P -1.27 67 75

Best Double Coup Ie:Ma-1.4*10*»17NP1:Strike-236 Dip-48 Slip 122NP2: 99 51 -59

01 20 58 02.23 1.808N 127.317E 5.4mb ( 31 abs.) HALMAHERA, INDONESIA

94km

CENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 23S, 36CCentroid Location:Origin Time 26:58: 1.5 1.0Lot 1.78N 0.07 Lon 127.39E 0.07Dep 116.0 3.2 Half-duration 1.0Pr i nc i pa I Axes:

Scale 10**16 Nm T Val- 9.85 Pig-29 Azm-160 N -1.34 39 277

P -8.51 37 45Best Double Cauple:Mo-9.2*10**16NP1:Strike-196 Dip-40 Slip 173NP2: 100 85 -51

02 20 36 22.19 30.096S 176.479W 10km 5.1mb ( 15 obs.) 5.4Msz ( 11 abs.) KERMADEC ISLANDS REGION CENTROID. MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 24S, 41C Centroid Location: Or igin Time 20:36:29.7 0.5 Lot 29.93S 0.07 Lan 176.18W 0.05 Dep 15.0 FIX Half-duration 1.1 Pr i nc i pa I Axes:

Sea I e 10*»17 NmT Val- 1.04 Pig-73 Azm-326N 0.28 9 204P -1.32 14 112


03 15 41 28.42 23.981S 70.221W 31 km 5.2mb ( 12 obs.) 4.3Msz ( 7 obs.) NEAR COAST OF NORTHERN CHILE CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 12S. 20C Cent ra i d Loca t i an: Origin Time 15:41:34.4 0.6 Lot 23.05S 0.11 Lon 69.85W 0.13 Dep 18.711.9 Half-duration 1.3 Pr i nc i pa I Axes:

Sea le 10**16 Nm T Val- 8.97 Pig-37 Azm- 61 N -2.51 11 159 P -6.45 51 263

Best Double Couple:Ma-7.7*10*»16 NP1 : St r i ke-104 Dip-13 S I i p 1 45 NP2: 340 82 -79

04 01 59 26.90 61.542S 154.573E 10km5.6mb ( 22 abs.) 6.2Msz ( 34 obs.)BALLENY ISLANDS REGIONCENTROID, MOMENT TENSOR (HRV)Dota Used: GDSNL.P.B.: 40S, 99C M.W.: 33S, 70CCent raid Loca t i on:Origin Time 01:59:34.3 0.1Lot 61.62S 0.01 Lon 154.41E 0 02Dep 15.0 FIX Half-duration 4.0Pr i nc i pol Axes:

Scale 10..18 Nm T Val- 5.29 Pig- 6 Azm- 20 N -0.58 83 169 P -4.71 3 289

Best Double Couple:Mo-5.0.16** 18 NP1:Strike- 64 Dip-83 Slip- 178 NP2: 155 88 7

64 04 53 05.06 35.788S 102.281W 10km5.0mb ( 13 abs.) 5.1Msz ( 15 obs.)SOUTHERN PACIFIC OCEANCENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.8.: 35S, 75CCent ro i d Loca t i on:Or igi n T ime 84 : 53:10.3 0 . 2Lot 36.18S 6.03 Lon 102.06W 0.04Dep 15.0 FIX Ha If-durotion 2.0Pr i nc i pa I Axes:

Scale 10.*17 Nm T Val- 6.85 Pig-15 Azm- 56 N -0.18 71 197 P -6.68 11 322

Best Double Coup Ie.Mo-6.8*16** 17 NP1:Strike- 98 Dip-71 Slip- 177 NP2: 189 87 19

04 18 13 13.46 14.238S 167 641E 14km 6.1mb ( 72 obs.) 6.1Msz ( 64 obs.) VANUATU ISLANDS FAULT PLANE SOLUTION: P-Waves NP1:Strike-165 Dip-48 Slip- 90 NP2: 345 42 90

Pr i nc i pa I Axes:T Pig-87 Azm- 75 P 3 255

Comment: The focal mechanism is paarly controlled and corresponds to reverse faulting. The preferred fault pi one i 9 NP2.

RADIATED ENERGYNo. of sta: 22 Focal mech. M Energy 6.4±1.1 * 10* 13 Nm

MOMENT TENSOR SOLUTIONDep 10 Na. of sta: 22Pr i nc i pa I Axes:


Best Double Couple:Ma-3.0* 10** 18 NP1:Strike-165 Dip-39 Slip- 128 NP2: 300 61 63

CENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.8.: 42S, **C M.W.: 35S, 62CCentroid Location:Origin Time 18:13:20.8 0.1Lot 14.17S 0.01 Lan 167.77E 0.01Dep 15.0 FIX Half-duration 3.5Pr i nc i pa I Axes:


Best Double Couple:Mo-4.6* 10** 18 NP1:Strike-146 Dip-32 Slip- 77 NP2: 341 59 98

04 21 32 33.99 31 565S 71.565W 19km 5.8mb ( 63 abs.) 5.9Msz ( 52 abs.) NEAR COAST OF CENTRAL CHILE FAULT PLANE SOLUTION: P-Waves NP1:Strike-155 Dip-75 Slip- 90 NP2: 335 15 90



RADIATED ENERGYNo. of sta: 19 Focal mech. M Energy 1.1±0.2*10* 13 Nm

MOMENT TENSOR SOLUTION Dep 31 Na. of sta: 16 Pr i nc i pa I Axes:

Scale 10»*17 Nm T Val- 5.08 Pig-57 Azm- 89 N 0.82 19 327 P -5.90 26 227


CENTROID. MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 42S. **C Centroid Location: OriginTime 21:32:41.10.2 Lot 31.98S 0.02 Lon 72.21W 0.03 Dep 19.2 1.4 Half-duration 2.5 Pr i nc i pa I Axes:

Scale 10**18 Nm T Vol- 1.31 Pig-73 Azm- 84 N -0.02 1 177 P -1.28 17 268

Best Double Couple:Ma-1.3*10* 18 NPl:Strike- 0 Dip-28 Slip- 93 NP2: 177 62 89

05 06 09 40.46 14.242S 167.602E 52km 5.4mb ( 47 abs.) 5.4Msz ( 30 obs.) VANUATU ISLANDSCENTROID. MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 33S, 68C Cent ro i d Laca t i on: Origin Time 06:09:38.4 0.3 Lot 14.35S 0.04 Lon 168.14E 0.03 Dep 15.0 BDY Half-duration 1.3 Pr i nc i pa I Axes:

Scale 16**17 NmT Val- 1.97 Pig-82 Azm-150

NOV 1992 PAGE 22

N -0.05 8 334P -1.92 1 244

Best Double Couple:Mo-2.0*10**17NP1:Strike-325 Dip-45 Slip- 78NP2: 162 46 102

05 19 53 22.97 5.263S 152.575E 20km 5.9mb ( 90 obs.) 6.0Msz ( 70 obs.) NEW BRITAIN REGION, P.N.G. FAULT PLANE SOLUTION: P-Waves NP1:Strike-155 Dip-52 Slip- 105 NP2: 311 40 72


Comment: The focal mechanism is poorly controlled and corresponds to reverse faulting with a moderate strike slip component. The preferred fault plane is not de te rmi ned.





CENTROID, MOMENT TENSOR (HRV) Data Used: GDSNL.P.B.: 40S, 98C M.W.: 29S, 45C Centraid Location: Or igin Time 19:53:29 7 0. 1 Lot 5.34S 0.01 Lan 152 68E 0.01 Dep 15.0 BDY Ho If-duration 2.9 P r i nc i pa I Axes:

Sea I e 10**18 Nm T Val- 2.45 Pig-55 Azm-336 N -0.82 29 192 P -1.63 17 92

Best Double Coup Ie:Mo-2.0*1fc** 18 NP1 :Strike-1 46 Dip-38 Slip- 37 NP2: 25 68 122

05 22 25 07.69 5.264S 152.569E 39km5.4mb ( 46 obs.) 4.7Msz ( 5 obs.)NEW BRITAIN REGION, P.N.G.CENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 22S, 27CCentroid Locotion:Or igi n T ime 22.25.10.9 1. 1Lot 4.92S 0.15 ton 152.26E 0.11Dep 15.0 FIX Hoif-duration 1.2Principal Axes:

Scale 10»*17 NmT Val- 1.72 Pig-50 Azm-320 N -0.35 18 208 P -1.38 35 105


06 07 21 57.89 41.051N 72.510E 40km5.1mb ( 87 abs.) 4.1Msz ( 3 obs.)KYRGYZSTANCENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 7S, 9CCentraid Location:Origin Time 07:21:58.7 1 . 5Lot 41.20N 0.24 Lan 72.58E 0.22Dep 18.7 9.4 Half-duration 1.0Pr i nc i pa I Axes:

Scale 10»*16 NmT Val- 3.38 Pig-67 Azm- 14 N 0.22 8 124 P -3.61 22 217

Best Double Coup Ie:Mo-3.5*10*»16 NP1:Strike-322 Dip-25 Slip- 111 NP2: 120 67 81

06 19 08 09.25 38.160N 26.998E 17km 5.7mb (131 abs.) 6.0Msz ( 45 obs.) AEGEAN SEA FAULT PLANE SOLUTION: P-Waves

NP1:Strike-135 Dip-80 Slip- 0 NP2: 225 90 190

P r i nc i pa I Axes:T Pig- 7 Azm-360 P 7 90

Comment: The focal mechanism is moderately well controlled and corresponds to strike-slip faulting with a small reverse component. The preferred fault plane is not determined.

RADIATED ENERGYNo. of sto: 7 Focal mech. F Energy ' 1.3±0.2*10*»14 Nm


Seale 10**18 NmT VaI- 1.52 Pig- 4 Azm- 11N 0.14 86 185P -1.66 0 281

Best Double Coup Ie:Mo-1.6*10** 18NP1:Strike- 56 Dip-87 Slip- 178NP2: 146 B8 3

CENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 40S, 97C M.W.: 28S, 48C Centroid Location:Origin T ime 19:08:13.2 0.2 Lot 37.84N 0.01 Lon 26.98E 0.02 Dep 24.5 1.1 Half-duration 2.9 P r i nc i pa I Axes:

Sea Ie 10**18 NmT VaI- 1.61 Pig- 6 Azm- 12N -0.41 76 258P -1.20 13 104

Best Double Coup Ie:Mo-1 .4*10»* 18NP1:Strike-147 Dip-77 Slip- -5NP2: 238 85 -167

08 02 37 41.84 55.898S 26.604W 33km5.0mb ( 5 obs.)SOUTH SANDWICH ISLANDS REGIONCENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B. : 7S, 1 1CCentroid Location:Origin Time 02:37:48.0 1 8Lot 56.01S 0.18 Lan 26.29W 0.21Dep 35.610.6 Half-duration 1.0Pr i nc i pa I Axes:

Sea Ie 10»»16 NmT Val- 5.49 Pig-70 Azm-233 N -0.20 6 128 P -5.30 19 36

Best Double Coup Ie:Mo-5.4*10»* 16 NP1:Strike-116 Dip-27 Slip- 78 NP2: 310 64 96

08 03 43 20.48 15.727S 179.703W 10km 5.7mb ( 76 abs.) 6.5Msz ( 69 obs.) FIJI ISLANDS REGION FAULT PLANE SOLUTION: P-Waves NP1:Strike- 63 Dip-80 Slip- 0 NP2: 153 90 190

P r i nc i pa I Axes:T Pig- 7 Azm-288 P 718

Comment: The focal mechanism is moderately well controlled and corresponds to strike slip faulting with a small reverse component. The preferred fault plane is not determined.

RADIATED ENERGYNo. of sta: 17 Focal mech. F Energy 1.5±0.3»10*»15 Nm


Scale 10»»18 NmT Val- 8 25 Pig-10 Azm-297N 0.02 77 154P -8.27 8 28

Best Double Coup Ie.Mo-8.3»10* 18NP1.Strike- 73 Dip-77 Slip- 2NP2: 342 88 167

CENTROID, MOMENT TENSOR (HRV)Data Used- GDSNL.P.B.: 43S, *»C M.W.: 39S, 96C Centroid Location: Origin Time 03:43:36.6 0.1 Lot 15.505 0.01 Lon 179.54W 0.01

Dep 15.0 FIX Half-duration 5.0 P r i nc i pa I Axes:

Scale 10*»19 Nm T Val- 1.15 Pig-14 Azm-103 N 0.06 69 232 P -1.21 16 10

Best Double Coup Ie:Mo-1 .2»10»*19 NP1:Strike-147 Dip-69 Slip 178 NP2: 56 88 -21

0B 10 22 52.95 23.626S 70.380W 33km 5.4mb ( 53 obs.) 5.0Msz ( 21 abs.) NEAR COAST OF NORTHERN CHILE CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 31S. 52C Centraid Location: Origin Time 10:23: 2.2 0.3 Lot 23.32S 0.06 Lon 70.95W 0.06 Dep 15.0 FIX Half-duration 1.6 Pr i nc i pa I Axes:

Scale 10**17 NmT Val- 3.10 Pig-53 Azm- 67N -0.18 6 166P -2.92 36 260

Best Double Coup Ie:Mo-3.0*10**17NP1:Strike- 21 Dip-11 Slip- 126NP2: 165 81 84

08 18 18 58.96 33.559N 141.926E 48km 5.5mb (123 obs.) 5.0Msz ( 18 obs.) OFF EAST COAST OF HONSHU, JAPAN CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 22S, 30C Centroid Location: Origin T i me 18:19: 1.30.6 Lot 33.70N 0.09 Lon 141.81E 0.07 Dep 24.1 3.5 Half-duration 1.1 P r i nc i pa I Axes:

Scole 10««16 Nm T Vol- 12.06 Pig-20 Azm- 94 N -0.97 6 2 P -11.10 69 257

Best Double Coup Ie.Mo-1.2»10* 17 NP1.Strike-194 Dip-26 Slip- -77 NP2: 0 65 -96

08 19 28 50 03 8.861S 119.282E 115km5.4mb ( 55 obs.)FLORES REGION, INDONESIACENTROID, MOMENT TENSOR (HRV)Doto Used: GDSNL P.B.: 22S, 32CCent ra i d Locoti on:Origin Time 19:28:52.2 1.0Lot 8.78S 0.08 Lon 119.59E 0.10Dep 120.6 4.0 Half-duration 1.0Pr i nc i pa I Axes:

Scale 16*»16 Nm T Val- 9.48 Pig-38 Azm-320 N -0.14 34 82 P -9.34 34 199


09 01 27 13.84 21.051S 174.140W 33km5.1mb ( 29 obs.) 4.8Msz ( 2 obs.)TONGA ISLANDSCENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 22S, 34CCent ro id Local ion:Origin Time 01:27:15.5 0.9Lot 21.14S 0.12 Lan 173.31W 0.09Dep 15.0 FIX Half-duration 1.0Pr i nc i pa I Axes:

Scale 10**16 NmT Val- 6.84 Pig-61 Azm- 37 N -0.13 29 220 P -6.71 1 129

Best Double Coup Ie:Mo-6.8»10* 16 NP1:Strike-193 Dip-51 Slip- 51 NP2: 65 53 127

09 11 51 59.64 2.388S 141.351E 31km 4.9mb ( 22 abs.) 4.5Msz ( 3 obs.) NEAR N COAST OF NEW GUINEA, PNG. CENTROID. MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 27S, 40C Centraid Location:

PAGE 23 NOV 1992

Origin Time 11:51:59.2 0.9Lot 2.58S 0.07 ton 141.50E 0.08Dep 15.0 FIX Half-duration 1.0Pr i nc i pa I Axes:

Seale 10»«16 NmT Val- 7.10 Pig-13 Azm-357N -1.21 6 89P -5.89 76 203

Best Double Coup Ie:Mo-6.5*10««16NP1:Strike- 79 Dip-33 Slip 101NP2: 272 58 -83

10 08 13 32.61 55.866S 26.979W 33km 5.4mb ( 14 obs.) 5-tMsz ( 19 obs.) SOUTH SANDWICH ISLANDS REGION CENTROID, MOMENT TENSOR (HRV) Dota Used: GDSN L.P.B,: 26S, 46C Cen t ro i d Loca t i an:Origin Time 08:13:35.2 0.4 Lot 56.03S 0.04 ton 26.79W 0.06 Dep 28.9 2.5 Half-duration 1.3 Pr i nc i poI Axes:

Scale 10»*17 NmT Val- 1.93 Pig-63 Azm-289N -0.01 26 154P -1.92 17 5B

Best Double Coup Ie:Mo-1,9«10»* 17NP1:Strike-120 Dip-33 Slip- 51NP2: 344 65 112

10 09 58 10.82 51.492N 177.611W 33km 5.8mb (140 obs.) 5.3Msr ( 56 obs.) ANDREANOF ISLANDS, ALEUTIAN IS. FAULT PLANE SOLUTION: P-Waves NP1:Strike- 75 Dip-80 Slip- 90 NP2: 255 10 90


Comment: The focol mechanism is poorly controlled ond corresponds to reverse faulting. The preferred foult p I one i s NP2.

RADIATED ENERGYNo. of sta: 15 Focol mech. F Energy 1 .2±0.3«10«* 13 Nm

CENTROID. MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 34S. 77C Centroid Location:Or igin Time 69.58:14.2 0 . 2Lot 51.34N 0.02 Lon 177.37W 0.03Dep 35.0 BDY Ho I f-durotion 1.7Pr i nc i poI Axes:

Scole 16»»17 NmT Vol- 4.06 Pig-67 Azm-312N 0.19 6 57P -4.25 22 150

Best Double Coup Ie.Mo-4.2«10««17NP1:Strike-252 Dip-23 Slip- 106NP2: 54 68 83

10 10 30 53.54 7.204S 129.178E 171km5.4mb ( 44 obs.)BANDA SEACENTROID. MOMENT TENSOR (HRV)Doto Used: GDSNL.P.B.: 19S, 30CCentroid Locotian:Or igi n Time 10:36 55.3 1 6Lot 7.27S 0.12 Lon 129.07E 0.10Dep 168.4 1.8 Ha I f duration 1.2Principal Axes:

Scole 16««17 NmT Val- 1.53 Pig-74 Azm-212 N -0.59 1 305 P -0.94 16 36

Best Double Coup Ie.Mo-1.2«10*»17 NP1:Strike-127 Dip-29 Slip- 92 NP2: 305 61 89

10 21 08 56.44 53.884N 160.688E 54km 5.6mb (123 obs.) 5.3Msz ( 39 obs.) NEAR EAST COAST OF KAMCHATKA CENTROID, MOMENT TENSOR (HRV) Dota Used: GDSN L.P.B.: 38S. 85C Cent roi d Loca t i on:Origin Time 21:09: 1.6 0.2 Lot 53.62N 0.02 Lon 161.26E 0.02 Dep 45.8 1.4 Half-duration 1.9

P r i nc i pa I Axes: Scale 10**17 Nm T Val- 4.94 Pig-73 Azm-351 N 0.51 12 216 P -5.46 12 123

Best Double Coup Ie:Mo-5.2«10««17 NP1 :Strike-197 Dip-35 Slip- 68 NP2: 44 58 105

10 22 58 54.47 23.734N 143.183E 20km5.2mb ( 55 obs.) 4.8Msz ( 22 obs.)VOLCANO ISLANDS REGIONCENTROID. MOMENT TENSOR (HRV)Dota Used: GDSNL.P.B.: 10S, 17CCentraid Location:Origin Time 22:58:50.7 1.6Lot 23.71N FIX;Lon 143.16E FIXDep 15.0 FIX Half-duration 1.0Pr i nc i pa I Axes:

Scale 10..17 NmT Val- 1.21 Pig-35 Azm-178 N 0.44 3 86 P -1.64 54 352

Best Double Coup Ie:Mo-1.4*10**17 NP1:Strike-283 Dip-10 Slip- -72 NP2: 85 80 -93

11 00 18 49.37 2.925S 141.560E 34km 5.6mb ( 69 abs.) 5.6Msz ( 45 obs.) NEAR N COAST OF NEW GUINEA, PNG. CENTROID, MOMENT TENSOR (HRV) Dota Used: GDSN L.P.B.: 33S, 76C Cen t roi d Locali on:Origin Time 00:18:47.1 0.2 Lot 3.17S 0.02 Lon 141.92E 0.02 Dep 15-0 FIX Hoif-durotion 1.9 Pr i nc i pa I Axes:

Scale 10*»17 NmT Vol- 5.87 Pig-18 Azm-336N -0.11 42 229P -5.77 43 84

Best Double Coup Ie:Mo-5.8*10«*17NP1:Strike-110 Dip-46 Slip- -22NP2: 215 75 -133

11 12 08 50.65 29.235S 178.435W 271km4.9mb ( 13 obs.)KERMADEC ISLANDS, NEW ZEALANDCENTROID, MOMENT TENSOR (HRV)Doto Used: GDSNL.P.B.: 20S, 26CCen t roi d Locot i on:Origin Time 12:08:54.5 1.0Lot 28.50S 0.11 Lon 178.41W 0.16Dep 275.1 3.9 Ho I f-durotion 1.1Pr i nc i poI Axes:

Scole 10»«16 Nm T Val- 7.48 Pig-17 Azm-114 N 1.47 39 219 P -8 96 45 6

Best Double Coup Ie:Mo-8.2«10«* 16 NP1:Strike-162 Dip-44 Slip 155 NP2: 54 73 -48

11 21 26 14.09 51.203N 179 238W 33km 5.8mb (159 obs.) 5.9Msz ( 66 obs.) ANDREANOF ISLANDS, ALEUTIAN IS. CENTROID. MOMENT TENSOR (HRV) Doto Used: GDSN L.P.B.: 40S, 92C Centroid Location:Origin Time 21:26:15.4 0.2 Lot 50.97N 0.02 Lon 178.94W 0.03 Dep 16.0 BDY Ha If-durotion 3.0 P r i nc i pa I Axes:

Scole 10»*18 NmT Val- 2 03 Pig-59 Azm-314N 0.01 8 58P -2.04 30 153

Best Double Coup Ie:Mo-2.0»10* 18NP1 :Strike-267 Dip-17 Slip- 120NP2: 56 75 81

12 15 00 38.79 53.767S 51.727W 10km 5.7mb ( 22 obs.) 5.9Msz ( 22 obs.) SOUTH ATLANTIC OCEAN FAULT PLANE SOLUTION: P-Waves NP1 :Strike-157 Dip-90 Slip 172 NP2: 67 82 -360

P r i nc i pa I Axes:T Pig- 6 Azm-292

P 6 22Comment: The focol mechanism is

poorly controlled and corresponds to strike-slip faulting with a small normal component. The preferred fault plane is not determined.

CENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 33S, 82CCentroid Location:Origin Time 15:00:47.2 0.2Lat 53.69S 0.02 Lan 51.61W 0.03Dep 15.0 FIX Half-duration 2.3Pr i nc i pa I Axes:

Scale 10««17 Nm T Val- 10.06 Pig- 0 Azm-109 N -1.31 90 180 P -8.76 0 19

Best Double Coup Ie:Ma-9.4*10*»17 NP1:Strike-l54 Dip-90 Slip 180 NP2: 244 90 0

12 20 41 04.69 36.446N 70.852E 198km5.7mb (145 obs.)HINDU KUSH REGION, AFGHANISTANCENTROID, MOMENT TENSOR (HRV)Dota Used: GDSNL.P.B.: 33S. 49CCent roi d Loca t i on:Origin Time 20:41: 8.00.4Lot 36.57N 0.05 Lon 70.78E 0.03Dep 187.8 1.2 Ho If-duration 1.5Pr i nc i poI Axes:

Scale 10«*17 NmT Val- 3.07 Pig-54 Azm-281 N 0.22 18 38 P -3.29 29 139

Best Double Coup Ie.Mo-3.2»10««17 NP1:Strike-269 Dip-23 Slip- 144 NP2: 33 77 71

12 22 28 57.54 22.401S 178.104W 360km 5.9mb ( 90 obs. ) SOUTH OF FIJI ISLANDS FAULT PLANE SOLUTION: P-Woves NP1:Strike- 30 Dip-80 Slip- -90 NP2: 210 10 -90


Comment: The focol mechanism is poorly controlled and corresponds to normal faulting. The preferred foult pI one is NP1.

RADIATED ENERGYNo. of sta: 8 Focal mech. F Energy 3.0±1 .0*10»* 13 Nm



Best Double Coup Ie:Mo-2.8«10*«18 NP1 :Strike-199 Dip-17 Slip- -92 NP2: 21 73 -89

CENTROID, MOMENT TENSOR (HRV) Doto Used: GDSN L.P.B.: 39S, »»C Cent ro i d Locot i an: Origin Time 22:29: 4.6 0.2 Lat 22.32S e.02 Lan 177.72W 0.01 Dep 378.5 0.7 Half-duration 3.0 Pr i nc i pa I Axes:


Best Double Coup Ie:Mo-2.3*10** 18 NP1:Strike-211 Dip-14 Slip- -91 NP2: 31 76 -90

14 05 54 48.23 22.991S 45.847E 23km 5.1mb ( 39 obs.) 4.8Msz ( 17 obs.) MADAGASCARCENTROID, MOMENT TENSOR (HRV) Doto Used: GDSN L.P.B.: 8S. 10C Cent ro i d Locot i on: Origin Time 05:54:54.8 0.9

YOV 1992 PAGE 24

Lot 23.01S 0.39 Lon 45.54E 0.24Dep 15.0 FIX Half-duration 1.1Principal Axes:

Seal* 10**16 NmT Val- 4.22 Pig- 0 Azm-260 N -0.54 0 170 P -3.69 90 180

B«st Double Coup Ie:Mo-4.0*10** 16 NP1:Strike-350 Dip-45 Slip- -90 NP2: 170 45 -90

17 02 38 50.10 33.782N 67.574E 33km5.2mb ( 56 abs.) 4.5Msz ( 3 abs.)AFGHANISTANCENTROID, MOMENT TENSOR (HRV)Data Us«d: GDSNL.P.B.: 18S, 28CCent ra i d Locot i on:Origin Tim* 02:38:49.1 0.7Lot 33.15N 0.10 Lon 67.18E 0.06Dep 33.0 FIX Half-duration 1.0Pr i nc i poI Axes :

Scale ie*»16 NmT Val- 4.69 Pig-14 Azm-108 N 0.94 13 202 P -5.64 71 333

Best Double Coupie:Mo-5.2*10** 16 NP1:Strike-181 Dip-33 Slip 114 NP2: 29 60 -75

17 04 24 16.46 30.588S 71.172W 54km5.7mb ( 55 obs.)NEAR COAST OF CENTRAL CHILEFAULT PLANE SOLUTION: P-Waves NP1:Strike-160 Dip-78 Slip- 70 NP2: 40 23 148

Pr i nc i poI Axes :T Pig-53 Azm- 46 P 30 266

Comment: The facal mechanism is poorly controlled ond corresponds to reverse faulting with a moderate right-IateraI strike-slip component. The preferred fault pi one i s NP2.

CENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 30S, 43CCentroid Location:Origin Time 04:24 23.7 0.3Lot 30.85S 0.05 Lon 71.63W 0.04Dep 54.7 2.3 Ho If-durotion 1.1Pr i nc i pol Axes:

Scole 10**16 Nm T Val- 10.77 Pig-73 Azm- 47 N 0.33 8 166 P -11.10 14 258

Best Double Coup Ie:Mo-1.1 * 10**17 NP1:Strike- 0 Dip-32 Slip- 186 NP2: 161 60 80

17 06 46 39.92 5.822S 130.616E 33km5.9mb ( 84 obs.)8ANDA SEACENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 38S, 77CCent roi d Locot i on:Origin Time 06:46:50.1 0.3Lot 5.68S 0.02 Lon 130.72E 0-02Dep 92.4 1.2 Ho If-duration 1.8Pr i nc i pa I Axes:


Best Double Coup Ie:Mo-6.4*10**17 NP1:Strike-300 Dip-58 Slip- 148 NP2: 48 63 36

17 21 42 21.35 26.466N 126.559E 106km 5.0mb ( 47 obs. ) RYUKYU ISLANDSCENTROID, MOMENT TENSOR (HRV) Doto Used: GDSN L.P.B.: 7S, 7C Cent raid Locot i on:Origin Time 21:42:28.7 3.0 Lot 27.17N 0 22 Lon 126.49E 0.24 Dep 87 512.6 Half-duration 1.0 Principal Axes:

Scole 10**16 Nm

T Vol- 4.41 Pig-29 Azm- 74N 2.05 46 198P -6.46 31 326

Best Double Couple:Mo-5.4*10**16NP1:Strike-111 Dip-46 Slip 178NP2: 20 89 -44

18 04 04 31.81 16.852S 173.819W 86km5.3mb ( 40 obs.)TONGA ISLANDSCENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 30S, 49CCent raid Location:Origin Time 04:04:37.5 0.3Lot 15.96S 0.03 Lan 173.43W 0.03Dep 89.6 2.3 Half-duration 1.4Pr i nc i pa I Axes:



18 16 02 08.25 6.957S 129.958E 123km5.1mb ( 41 abs.)BANDA SEACENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 28S, 37CCent roi d Locat i on:Or i gi n T ime 16:02:14.5 0.5Lot 6.78S 0.04 Lon 130.26E 0 04Dep 138.2 1.3 Ho If-durotion 1.1Pr i nc i pa I Axes:


Best Double Coup Ie:Mo-9.8»10** 16 NP1:Strike-111 Dip-46 Slip- 63 NP2: 327 50 115

18 16 36 45.19 16.771S 167.103E 22km5.2mb ( 31 obs.) 5.3Msz ( 14 obs.)VANUATU ISLANDSCENTROID, MOMENT TENSOR (HRV)Doto Used: GDSNL.P.B.: 33S, 68CCent ro i d Locat i on:Or igin Time 16:36:51 .80.3Lot 16.47S 0.04 Lon 167.04E 0.02Dep 25.5 1.9 Ha If-durotion 1.8Pr i nc i pa I Axes:


Best Double Couple:Mo-4.2*10** 1 7 NP1:Strike-169 Dip-72 Slip- 175 NP2: 261 85 18

18 21 10 41.49 38.307N 22.452E 15km 5.9mb (136 obs.) 5.7Msz ( 38 obs.) GREECEFAULT PLANE SOLUTION: P-Woves NP1:Strik«- 32 Dip-90 Slip 168 NP2: 302 78 -360

Principal Axes:T Pig- 8 Azm-166 P 8 258

Comment: The focal mechanism is moderately well controlled and corresponds to strike-slip faulting with a small reverse component. The preferred foult plane is not determined.


MOMENT TENSOR SOLUTION Dep 29 No. of sto: 20 Pr i nc i pa I Axes:


Best Double Coup Ie.Mo-9.2*10»*17 NP1:Strike-155 Dip-36 Slip- -51 NP2: 290 63 -114

CENTROID, MOMENT TENSOR (HRV)

Data Used: GDSNL.P.B.: 35S, 72CCentroid Location:Origin Time 21:10:48.8 0.2Lot 38.09N 0.02 Lon 22.60E 0.03Dep 15.0 BDY Half-duration 2.3Pr i nc i pa I Axes:


Best Double Couple:Mo-8.5*10**17 NP1:Strike-265 Dip-43 Slip- -99 NP2: 98 48 -81

19 00 49 27.00 31.146N 131.445E 36km5.0mb ( 63 abs.) 5.3Msz ( 10 abs.)KYUSHU, JAPANCENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 19S. 32CCent ra i d Lacat i an:Origin Time 00:49 : 30 . 4 0.7Lot 30.92N 0.08 Lan 131.80E 0.05Dep 38.7 3.1 Half-duration 1.1Pr i nc i pa I Axes:

Scole 10**16 Nm T Val- 13.82 Pig-59 Azm-357 N -0.34 22 226 P -13.49 21 127

Best Double Couple.Mo-1.4»18**17 NP1:Strike-183 Dip-31 Slip- 43 NP2: 54 70 113

19 12 37 49.10 13.408S 166.723E 24km5 3mb ( 21 abs.) 4.9Msz ( 6 obs.)VANUATU ISLANDSCENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 31S, 55CCentroid Location:Origin Time 12:37:57.7 0.5Lot 13.15S 0 86 Lon 166.40E 0.04Dep 21.0 1.8 Hoif-duration 1.2Pr i nc i poI Axes:

Scole 10**17 Nm T Vol- 1.34 Pig-78 Azm- 11 N 8.02 12 174 P -1.35 4 265


20 01 45 22.63 23.126S 66.282W 253km5.1mb ( 30 obs.)JUJUY PROVINCE, ARGENTINACENTROID, MOMENT TENSOR (HRV)Doto Used: GDSNL.P.B.: 21S, 27CCent ro i d Locot i on:Origin Time 01:45:28.2 0.5Lot 22.723 0.05 Lon 66.19W 0.07Dep 255.5 2.6 Ho If-duratian 1.1Pr i nc i poI Axes:

Scole 10**16 Nm T Vol- 10.52 Pig-36 Azm- 72 N 0.45 7 337 P -10.98 53 237

Best Double Coup Ie:Mo-1.1 * 10**17 NP1:Strike-196 Dip-12 Slip- -50 NP2: 336 81 -98

20 03 46 14.99 31.882S 13.548W 18km 5.1mb ( 7 obs.) 4.9Msz ( 3 obs.) SOUTHERN MID-ATLANTIC RIDGE CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 17S, 25C Cent ro i d Lacat i on: Origin Time 03:46:22.6 1.0 Lot 31.29S 0.16 Lon 13.55W 0.07 Dep 15.0 FIX Half-duration 1.2 Pr i nc i pa I Axes:

Scale 10**16 Nm T Val- 6.62 Pig- 4 Azm- 64 N 1.27 30 332 P -7.88 59 160

Best Double Coup Ie:Mo-7. 2* 10**16 NP1:Strike-182 Dip-49 Slip- -48 NP2: 308 56 -128

21 03 04 08.05 8.643S 110.423E 48km 5.3mb ( 39 obs.) 4 8Msz ( 16 obs.)

PAGE 25 NOV 1992

JAWA, INDONESIACENTROID, MOMENT TENSOR (HRV)Doto Used: GDSNL.P.B.: 28S, 50CCent roi d Loco t i on:Origin Time 03:04:14.1 0.3Lot 9.28S 0.03 Lon 110.29E 0.04Dep 35.4 2.4 Ho If-durotion 1.4Pr i nc i poI Axes:

Scole 10»»17 NmT Vol- 1.60 Pig-58 Azm-335 N 0.96 19 97 P -2.56 25 196

Best Double Couple:Mo-2.1 10» 17 NP1:Strike-321 Dip-26 Slip- 137 NP2: 91 73 71

21 05 07 21.74 35.916N 22.491E 65km 5.9mb (143 obs.) CENTRAL MEDITERRANEAN SEA FAULT PLANE SOLUTION: P-Woves NP1:Strike- 85 Dip-80 Slip- 135 NP2: 185 46 14


Comment: The focol mechanism is mode rotely well controlled and corresponds to strike-slip faulting with a large reverse component. The preferred fault plane is not determined.

RADIATED ENERGYNo. of sto: 21 Focol mech. F Energy 2.3±0.4»10« 13 Nm

MOMENT TENSOR SOLUTION Dep 49 No. of sta: 17 Pr i nc i poI Axes:

Scole 10»»17 Nm T Vol- 5.28 Pig-43 Azm- 48 N 3.19 43 256 P -8.47 14 152

Best Double Coup Ie:Mo-6.9*10** 17 NP1 .-St r i ke-201 Dip-49 Slip- 24 NP2: 94 72 136

CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 33S, 80C Cent ro i d Loco t i on:Or igin Time 05:07:25.5 0.2 Lot 35.72N 0.02 Lon 22.80E 0.02 Dep 70.4 1.6 Half-durotion 2.2 Pr i nc i poI Axes:

Scole 10»»17 NmT Vol- 8.76 Pig-37 Azm- 48N -0.39 48 262P -8.37 18 151

Best Double Coup Ie:Mo-8.6*10*« 1 7NP1:Strike-196 Dip-50 Slip- 16NP2: 96 78 139

21 08 21 42.09 52.293N 168.651W 33km 5.6mb ( 52 obs.) 4.6Msz ( 6 obs.) FOX ISLANDS, ALEUTIAN ISLANDS CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.8.: 8S. 8C Cent raid Loco t i on:Origin T ime 08:21:43.2 1.7Lot 51.79N 0.17 Lon 167.74W 0.43Dep 15.0 FIX Ho If-durotion 1.0Pr i nc i poI Axes :

Scale 10*»16 NmT Vol- 5.27 Pig-65 Azm- 47N -1.10 4 367P -4.17 24 215


21 18 27 32.78 16.325S 175.932W 380km 5.0mb ( 41 obs.) TONGA ISLANDSCENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 24S, 46C Cen t ro i d Loco t i on:Origin Time 18:27:40.5 0.8 Lot 15.79S 0.07 Lon 175.97W 0.06 Dep 378.3 1.6 Ho If-duration 1.4 Pr i nc i poI Axes:

Scale 10»»17 NmT Vol- 2.30 Pig- 6 Azm-151

N -0.26 64 50P -2.03 25 244

Best Double Coup Ie:Mo-2.2*10**17NP1:Strike-284 Dip-68 Slip- -15NP2: 20 76 -158

21 22 39 32.92 56.665S 26.405W 20km 5.9mb ( 19 obs.) 6.6Msz ( 60 obs.) SOUTH SANDWICH ISLANDS REGIONFAULT PLANE SOLUTION: p-wovesNP1:Strike-165 Dip-67 Slip- 90 NP2: 345 23 90


Comment: The focol mechanism is poorly controlled and corresponds to reverse faulting. The preferred fault plane is NP2.

MOMENT TENSOR SOLUTIONDep 33 No. of sto: 4Pr i nc i pa I Axes:

Scale 10**18 NmT Vol- 6.64 Pig-71 Azm-122 N -0.05 17 332 P -6.58 9 239

Best Double Coup Ie:Ma-6.6*10**18 NP1:Strike-310 Dip-39 Slip- 63 NP2: 163 56 110

CENTROID. MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 38S, 96C M.W.: 26S. 60CCent ro i d Lacat ion:Origin Time 22:39:42.1 0.1Lot 56.42S 0.01 Lon 25.35W 0.01Dep 15.0 FIX Ho If-durotion 5.3Pr i nc i pa I Axes:

Scale 10»»18 NmT Vol- 7.67 Pig-71 Azm-230 N 0 53 5 336 P -8.20 18 68

Best Double Coup Ie:Mo-7.9»10* 18 NP1:Strike-167 Dip-28 Slip- 102 NP2: 334 63 84

22 11 42 46.40 20.365N 94.340E 68km5.3mb (119 obs.)MYANMARCENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 15S, 23CCentroid Location:Origin Time 11:42:48.2 0.7Lot 20.43N 0.07 Lon 94.51E 0.05Dep 71.4 5.5 Ho If-duration 1.0P r i nc i poI Axes:

Scole 10*»16 NmT Vol- 7.36 Pig-23 Azm- 63 N 0.48 21 324 P -7.85 58 197

Best Double Coup Ie:Ma-7.6*10* 16 NP1:Strike-187 Dip-29 Slip- -43 NP2: 317 71 -112

22 15 15 58.68 56.340S 25.490W 33km 4.6mb ( 5 obs.) 5.5Msz ( 1 obs.) SOUTH SANDWICH ISLANDS REGION CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 12S, 20C Cent ro i d Locot i on: Origin T i me 15:16: 5.20.9 Lot 56.65S 0.12 Lon 25.17W 0.14 Dep 15.0 FIX Ho If-durotion 1.3 Pr i nc i poI Axes:

Scole 10*.17 NmT Vol- 2.82 Pig-59 Azm-243N -0.06 1 152P -2.76 31 61

Best Double Coup Ie:Mo-2.8»10* 17NP1:Strike-150 Dip-14 Slip- 88NP2: 332 76 91

22 17 35 20.39 19.578S 173.772W 21km 5.5mb ( 50 obs.) 5.4Msz ( 48 obs.) TONGA ISLANDSCENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 32S, 70C Centroid Location:Or i gi n T ime 17:35:29.0 0.2 Lot 19.29S 0.03 Lon 173 13W 0.02

Dep 15.0 FIX Half-duration 1.9 Pr i nc i pa I Axes:

Scole 10»»17 Nm T Vol- 5.51 Pig-68 Azm-313 N 0.41 10 197 P -5.92 19 103

Best Double Cauple:Ma-5.7*10**17 NP1:Strike-176 Dip-27 Slip- 67 NP2: 21 65 101

23 06 31 14.98 18.743N 67.168W 31km4.9mb ( 47 obs.) 4.7Msz ( 24 obs.)MONA PASSAGECENTROID. MOMENT TENSOR (HRV)Dato Used: GDSNL.P.B.: 14S. 21CCen t ro i d Locot i an:Or igin Time 06:31:13.3 1 . 1Lot 18.51N 0.12 Lon 66.96W 0.08Dep 15.0 FIX Half-duration 1.4Pr i nc i pa I Axes:

Scole 10»»17 Nm T Val- 1.09 Pig- 4 Arm-116 N 0.07 17 24 P -1.15 72 220

Best Double Coup Ie:Mo-1.1 * 10**17 NP1:Strike-224 Dip-43 Slip- -64 NP2: 10 52 -112

23 23 11 06.76 38.620N 72.635E 41km5.6mb (151 obs.) 5 0Msz ( 13 obs.)TAJIKISTANCENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B. : 26S, 51CCent ro i d Lacat i on:Or igi n Time 23:11: 7.90.4Lot 38.70N 0.06 Lon 72.38E 0.04Dep 43.6 3.4 Ho If-durotion 1.6Pr i nc i pa I Axes:

Scale 10*.17 Nm T Vol- 3.45 Pig-17 Azm- 92 N -0.69 21 355 P -2.76 62 218

Best Double Coup Ie:Mo-3.1 10**17 NP1:Strike-211 Dip-33 Slip- -49 NP2: 345 65 -113

24 00 53 45.34 51.175N 179.117E* 33km 5.6mb (137 obs.) 5.3Msz ( 58 obs.) RAT ISLANDS, ALEUTIAN ISLANDS CENTROID. MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 38S. 75C Centroid Locotion: Origin Time 00:53:46.2 0.2 Lot 51.03N 0.02 Lon 179.39E 0.04 Dep 19.0 8DY Half-duration 2.0 Pr i nc i poI Axes:

Scale 10..17 Nm T Vol- 5.71 Pig-64 Azm-343 N 0.22 1 75 P -5.93 26 166

Best Double Coup Ie:Ma-5.8»10*»17 NP1:Strike-258 Dip-19 Slip- 93 NP2: 75 71 89

24 12 03 35.88 1.355N 101.323W 10km 5.2mb ( 28 obs.) 5.4Msz ( 24 obs.) EAST CENTRAL PACIFIC OCEAN CENTROID. MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 33S, 76C Cent raid Locot i on: Origin Time 12:03:39.0 0.3 Lot 1.52N 0.03 Lon 101.26W 0.03 Dep 15.0 FIX Hoif-durotion 1.9 Pr i nc i poI Axes:

Scale 10.*17 Nm T Val- 4.90 Pig-12 Azm-139 N -1.60 72 11 P -3.31 14 232

Best Double Coup Ie:Ma-4.1»10* 17 NP1:Strike-275 Dip-72 Slip- -2 NP2: 5 88 -162

24 23 43 93.29 0.085S 122.828E 200km 5.5mb ( 83 obs.) MINAHASSA PENINSULA. SULAWESI CENTROID. MOMENT TENSOR (HRV) Dato Used: GDSN L.P.B.: 33S, 74C Centraid Location:

OV 1992 PAGE 26

Origin Time 23:43: 6.7 6.3Lot 0.15N 0.63 Lon 123.04E 0.03Dep 174.7 e.6 Half-duration 2.3Pr i nc i pa I Axes:

Scale 10**17 NcnT Val- 10.10 Pig-68 Azm-290N -4.37 21 124P -5.73 5 32

Best Double Coup Ie:Mo-7.9*10*»17NP1:Strike-101 Dip-44 Slip- 59NP2: 321 53 117

'5 06 02 25.32 4.069S ie2.160E 58km 5.9mb (120 obs.) SOUTHERN SUMATERA, INDONESIA FAULT PLANE SOLUTION: P-Waves NP1:Strike-108 Dip-62 Slip- 70 NP2: 326 34 123


Comment: The focal mechanism is poorly controlled and corresponds to reverse faulting with a moderate right I atera I strike slip component. The preferred fault piane i s NP2.

RADIATED ENERGYNa. af sta: 6 Focal mech. F Energy 9.4±3.5*10** 12 Nm

MOMENT TENSOR SOLUTION Dep 61 Na. af sta: 10 Pr i nc i pa I Axes:

Seale 10**17 Nm T Val- 3.27 Pig-72 Azm-294 N 0.21 11 61 P -3.49 14 154

Best Double Couple:Ma-3.4*10*»17 NP1:Strike-258 Dip-33 Slip- 110 NP2: 55 60 77

CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 21S. 34C Cent ra i d Lacat i on: Origin Time 06:02:35.4 0.3 Lat 4.09S FIX;Lan 102.18E FIX Dep 72.0 2.6 Ha If-duration 1.5 P r i nc i pa I Axes:

Scale 10..17 Nm T Val- 2.66 Pig-43 Azm- 63 N 0.37 43 272 P -3.03 15 168

Best Double Coup Ie:Mo-2.8*10*» 1 7 NP1:Strike-216 Dip-46 Slip- 24 NP2: 109 72 136

25 10 03 31.97 2.497N 128 548E 30km5.4mb ( 62 obs.) 5.1M&Z ( 24 obs.)HALMAHERA, INDONESIACENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 29S, 51CCent ro i d Locat ion:Origin Time 10:03:38.4 0.5Lat 2.69N 0.06 Lan 128.80E 0.04Dep 22.0 BDY Half-duration 1.4Pr i nc i pa I Axes:

Scale 10»*17 Nm T Val- 2.50 Pig-66 Azm-312 N -0.38 15 187 P -2.12 19 91

Best Double Couple:Mo-2.3*10»*17 NP1:Strike-158 Dip-29 Slip- 58 NP2: 13 66 106

25 10 16 30.37 2.537N 128.541E 24km5.8mb ( 93 obs.) 5.3Msz ( 48 obs.)HALMAHERA, INDONESIACENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 235. 36CCent ra i d Loca t i an:Origin Time 10:16:31.6 0.6Lot 2.54N FIX;Lon 128.51E FIXDep 18.5 4.4 Half-duration 1.9Pr i nc i pa I Axes:


Best Double Coup Ie:Mo-7.7»10** 17 NP1:Strike-133 Dip-23 Slip- 23

NP2: 21 81 1 11

25 17 47 59.42 13.491S 166.497E 33km5.4mb ( 27 obs.) 5 3Msz ( 20 obs.)VANUATU ISLANDSCENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 27S, 49CCent ro i d Locot ion:Origin Time 17:48: 9.00.5Lat 12.88S 0.05 Lon 166.43E 0.03Dep 25.2 2.3 Half-duration 1.3Pr i nc i pa I Axes:


Best Dauble Cauple:Ma-1.9*10**17 NP1:Strike- 8 Dip-42 Slip- 119 NP2: 151 55 67

25 17 58 14.41 13.538S 166.344E 60km5.6mb ( 46 obs.)VANUATU ISLANDSCENTROID. MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 32S, 68CCentroid Location:Origin Time 17:58:15.5 0.4Lat 13.42S 0.05 Lan 166.56E 0.03Dep 19.0 BDY Half-duration 2.0Pr i nc i pa I Axes:

Seale 10**17 NmT Val- 4.74 Pig-70 Azm- 25 N -0.06 13 155 P -4.68 15 248


27 01 54 39.18 54.981N 162 001E 28km 5.3mb ( 81 obs.) 4 8Msz ( 25 obs.) NEAR EAST COAST OF KAMCHATKA CENTROID. MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 29S, 51C Centroid Location: Origin Time 01:54:42.8 0.3 Lat 54.57N 0.05 Lon 162.86E 0.07 Dep 15.0 FIX Half-duration 1.1 Pr i nc i pa I Axes:

Sea le 10»*16 Nm T Val- 10.27 Pig-63 Azm- 15 N 2.72 26 210 P -12.99 6 117

Best Double Coup Ie.Mo-1 .2*10** 17 NP1:Strike-181 Dip-45 Slip- 52 NP2: 49 56 122

27 13 50 55.80 2.582N 128.756E 22km5.5mb ( 77 abs.) 5.3Msz ( 50 obs.)HALMAHERA, INDONESIACENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 34S. 76CCentraid Location:Origin Time 13:51:2.60.3Lat 2.22N 0.03 Lon 128.95E 0.03Dep 22.1 1.6 Half-duration 2.0Pr i nc i pa I Axes:

Sea Ie 10**17 Nm T Val- 5.74 Pig-70 Azm-302 N 0.12 11 180 P -5.87 17 87

Best Double Coup Ie:Mo-5.8*10** 17 NP1:Strike-166 Dip-3e Slip- 68 NP2: 6 62 102

27 21 09 16.67 37.473N 59.857E 24km 5.1mb ( 73 obs.) 5.1Msz ( 27 obs.) TURKMENISTAN-IRAN BORDER REGION CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 19S, 29C Centroid Location:Origin Time 21:09:16.6 0.6 Lat 37.36N 0.07 Lan 59.77E 0.04 Dep 24.0 FIX Ha If-duratian 1.1 Pr i nc i pa I Axes:

Sea I e 10**16 NmT Val- 10.46 Pig-21 Aim-124 N 0.80 67 277 P -11.27 10 31

Best Double Coup Ie.Mo-1.1 * 10**17 NP1:Strike-166 Dip-68 Slip- 172 NP2: 259 82 22

28 03 13 33.36 31.330S 71.992W 12km 5.8mb ( 43 obs.) 6.5Msz ( 37 obs.) NEAR COAST OF CENTRAL CHILE FAULT PLANE SOLUTION: P-Waves NP1:Strike-165 Dip-80 Slip- 85 NP2: 12 11 116


Comment: The facol mechanism is poorly controlled and corresponds to reverse faulting with a small right- lateral strike slip component. The preferred fault plane is NP2.

RADIATED ENERGYNo. af sta: 16 Focal mech. F Energy 6.6±1.2*10»*13 Nm

MOMENT TENSOR SOLUTION Dep 11 Na. af sta: 12 Pr i nc i pa I Axes:


Best Double Couple:Mo-6.5*10**18 NP1 Strike- 52 Dip-60 Slip- 180 NP2: 142 90 30

CENTROID. MOMENT TENSOR (HRV) Dota Used: GDSNL.P.B.: 34S, 92C M.W.: 29S. 66C Cen t r o i d Locali an: Origin Time 03:13:38.0 0 . 1 Lat 31.59S 0.01 Lon 72.08W 0.01 Dep 22.3 1.1 Half-duration 4.7 P r i nc i pa I Axes:


Best Double Coup Ie:Mo-5.6*10»*18 NP1:Strike- 51 Dip-52 Slip 177 NP2: 319 87 -38

28 17 45 40.01 2.615N 128.770E 35km5.6mb ( 78 obs.) 5.4Msz ( 42 abs.)HALMAHERA. INDONESIACENTROID, MOMENT TENSOR (HRV)Dota Used: GDSNL.P.B. : 34S. 74CCentroid Location:Or igi n Time 17:45:42.1 0.3Lat 2.39N 0.03 Lon 129.03E 0.03Dep 22.0 BDY Half-duration 2.0Pr i nc i pa I Axes:


Best Double Couple:Mo-4.9*10» 17 NP1.Strike-152 Dip-27 Slip- 63 NP2: 2 66 103

29 04 18 48.99 8.237N 126.531E 65km5.2mb ( 51 obs.)MINDANAO, PHILIPPINE ISLANDSCENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B. : 20S, 23CCent roi d Locat i on:Or igi n Time 04:18:52. 3 1.0Lat 8.40N 6.09 Lan 126.90E 0.06Dep 64.9 4.6 Half-duration 1.0Pr i nc i pa I Axes:


Best Double Coup Ie:Mo-5.9*10»»16 NP1:Strike- 4 Dip-36 Slip- 107 NP2: 164 56 78

30 09 32 37.57 35.692N 34.584W 20km 6.1mb (127 obs.) 5.7Msz ( 47 abs.) AZORES ISLANDS REGION FAULT PLANE SOLUTION: P-Waves NP1 Strike- 65 Dip-87 Slip- 10 NP2: 334 80 177

PAGE 27 NOV 1992

Pr i nc i pa I Axes:T Pig- 9 Arm-290 P 5 199

Comment: The focal mechanism is moderately well controlled and corresponds to strike-slip faulting with a large reverse component. The preferred fault plane is not determined.

RADIATED ENERGYNo. of sta: 12 Focal m«ch. F Energy 1.2±0.2*10» 14 Nm

MOMENT TENSOR SOLUTIONDep 18 No. of sto: 20Pr i nc i pa I Axes:



CENTROID, MOMENT TENSOR (HRV)Data Used: GDSN

L.P.B.: 33S. 75C M.W.: 26S. 30CCent ra i d Locali on:Origin Time 09:32:38.3 0.1Lot 35.85N 0.01 Lon 34.29W 0.01.Dep 15.0 FIX Half-duration 1.0Pr i nc i pa I Axes:

Scale 10**17 Nm T Val- 6.96 Pig- 1 Azm-119 N 0.37 17 209 P -7.32 73 26

Best Double Coup Ie:Mo-7.1 10»*17 NP1:Strike-193 Dip-47 Slip 113 NP2: 45 48 -67

Compiled by Pingsheng Chong, Will is S. Jacobs, Stuort K. Koyanogi, Christina K. Lovonne, John H. Minsch, Russell E. Needhon Waverly J. Person, Bruce W. Presgrave and William H. Schmieder.

PAGE 28

04 November 1992 18:13:13.46 Vanuatu Islands

COL (BHZ)P x5 V '

YSxS? (LHZ)

YSS (BHZ)P x27

GUMO (LHZ)P x9

MDJ (LHZ)P x23

CTAO (LHZ)

KMj (BHZ)

25-"W

TAxU (LHZ)

M and B0 1 Z

Time (min)

LSA (BHZ) p xe25

KIP (LHZ)P x6 V '

PAS (LHZ)P x8

ANMO (LHZ)Pdiff x22v

TUC (BHZ)P x4

RAR (LHZ)P x6 V '

PAB (LHZ)PKPdf x2

(BHZ)

SNZO (LHZ)P x5

01834Time (min)

05 November 1992 19:53:22.97 New Britain Region, P.N.G.

YSS (LHZ)P x5

MAJO (BHZ) COL (LHZ)P x8 7

GUMO (LHZ)

HIA (LHZ)

SSJ (LHZ)

BJI? (LHZ)

IZ (LHZ)

ENH (LHZ)

LZH (LHZ)P x8 '

LSA (BHZ)P x3 '

COL (BHZ)P x2 '

LON (LHZ)P x!5

CMB (LHZ)P xl4

ISA (LHZ)P x!6

TUC 0-HZ)Pdiff x22

RAR (LHZ)P x9 V 7

BDF (LHZ)PKPdf x7

SPA (LHZ) p x? v 7

-,

il!

M and B0 1 2

Time (min)

CTAO (LHZ)P xl

10-

^ 00123

Time (min)

PAGE 29

08 November 1992 03:43:20.48 Fiji Islands Region

COL (LHZ)P x21

BJIJLHZ)

GUMO (LHZ)p xii '

SSE (LHZ)P vPP A«ifc

(BHZ)

QIZ (LHZ)Pxl6V '

CTAO (BHZ)P x2 V '

KMI (LHZ)P x23

LSA (LHZ)Pdiff x55

M and B0 1 8

Time (min)

SPA (LHZ) p xg '

IRS (LHZ)COR (LHZ)

(LHZ)

PAS (LHZ)P x34

TUC (LHZ)P x47

RAR (LHZ)

(LHZ)

(BHZ)

01834

Time (min)

YSS (BHZ)P xl4 '

MDJ (LHZ)P x3 V '

GUMO (LHZ)P x2 v '

SSE (LHZ)P x3 V '

LZH (LHZ)Pdiff x8

QIZ (LHZ)Px3 V '

ENH (BHZ) p xi '

KMI (BHZ)P x2

LSA (LHZ)Pdiff xv]0 '

M and B

12 November 1992 22:28:57.54 South of Fiji Islands

COL (LHZ)P xIO

KIP (LHZ)P x7 '

LON (LHZ)P x?

WDC (LHZ)P x5 V

ISA (LHZ)P x5

SBC (BHZ)P x2

RAR (LHZ)P xl

TUC (LHZ)P X4

GOL (LHZ)P x7 '

HIA (LHZ)P x6

BJI (LHZ)P x4 V

0123

Time (min)01234

Time (min)

PAGE 30

18 November 1992 21:10:41.49 Greece

YSS (LHZ)P xi9

COL (BHZ)

ESxK (BHZ)

RSSD (LHZ)P x29

RSNY (LHZ)P x24

HRV (LHZ)P xl?

M1AR (LHZ)P xl? V

GOL (LHZ)P x26 '

TUC (LHZ)Pdiff x35

ANMO (LHZ)P x30

(BHZ)

HIA (LHZ)P x21

BJI (LHZ)P x27

(BHZ)

KMI (LHZ)P x30

SSE (LHZ)P x35

10=1

0

M and B0 1 2

Time (min)

CMB (LHZ) Pdiff x32 *:

01834

Time (min)

21 November 1992 22:39:32.92 South Sandwich Islands Region

RSNY (LHZ)Pdiff x2r

BDF (MHZ)P xl

BDF (LHZ)

HRV (LHZ) Pdiff xl8

ZOBO (LHZ)P x2

NNA (BHZ)P xl

M1AR (LHZ)Pdiff xl8

ANMO (LHZ)Pdiff x26

o i z Time (min)

COL (LHZ)PKPdf x5

LSA (LHZ)Pdiff xB4

__Â/\/\/V-^ HIA (LHZ) y\/\/V^^ PKPdf x 10

0183

Time (min)

PAGE 31

28 November 1992 03:13:33.36 Near Coast of Central Chile

RSNY (LHZ)P x!3

MIAR (LHZ)P x]7

RSSD (LHZ)

GOL (LHZ)

ANMO (LHZ)

TUC (BHZ)

PFO (LHZ)

RAR (LHZ)

SBC (LHZ)

M and B0 1 2

Time (min)

YSS (LHZ)PKPdf x 18

ZOBO (LHZ)Pn xl

HRV (BHZ)P x2 '

HRV (LHZ)P xlO

KONO (LHZ)Pdiff x66

WMO (LHZ)PKPdf xv!6

LSA (LHZ)PKPdf X22

LZH (LHZ)PKPdf x!7

HIA (LHZ)PKPdf x 96

Time (min)

30 November 1992 09:32:37.57 Azores Islands Region

LON (LHZ)P x]2 V '

WDC(LHZ)

RSSD (LHZ)P x]5

CMB (LHZ)p xii v '

RSNY (LHZ)P x6 V '

HRV (LHZ)P x4

GOL (LHZ)P x?

MIAR (LHZ)P x8 '

ANMO (LHZ)P xl 1

ZOBO (BHZ)

M and Bo ~" r ~1 ' T"1 ' n

Time (min)

ZOBO (LHZ)P x22

COL (LHZ)P x!5 V '

HIA (BHZ)

.. f|j*UAAA ^^ OBN (BHZ)

GRFO (LHZ)P x!3

ISA (LHZ) p xn v

PAS (LHZ) p xio

-. _jyVw^vW\/ PFO (LHZ)

J\ r\r~v^r^~KS\r TUC (LHZ)P x32 V '

01234

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ORIGIN T IME UTC

HR MN

00 0600 2301 4101 4402 1502 4303 2663 3804 4704 4805 0305 3966 3406 3607 6207 1807 22

07 5211 5612 4213 2313 3615 6515 5916 1416 1416 1717 2917 4717 4918 0418 0818 2318 4318 4719 13

19 1519 2819 3919 4120 6620 4621 3021 3222 3022 5723 4106 5901 3602 1002 1164 2404 3304 5205 3405 42

SEC

07225840590316.12.411837503130340356

16.00.4218393851 .22.52,14.34.1245.26.42.32.43.10.15.

26.05.22.35.61 .46.43.49.46.1 1 .28.1 112.25.49.54.37.09.55.06

.5%8.6.3.5»,7».594:2X5*6.5*.6. 7»7X27..0

.8*,3»0&

. 1?1?34.87%.42»3&3X4467%556494

882795?540*

5?65X5»17451 »41?3?24

GEOGRAPHIC COORDINATES

LAT

40

2044.44.2.2.

44 .34.453441 .10263744

4449.

15.60.56.17.23.34.35.31 .10.43.59.42.35.4 .

42.40.22.63.38.

44.44.42.44 .44.36.36.51 .31 .36.4237.38.344224.41 .19.15.34 .

.044

.864

.637

.043

.430,577056415244348707939189690315635

. 159

7447219841692221748394778686412936061005923435288268793

83981176953553934849290590748329689423078676787159569356

NSNNNNNNNNNNSSSNN

SNNSSNNSNNNNNSNSSNN

NNNNNNNNSNNNNNNSNSNN

DEPTH MAGNITUDES SD GS

LONG

24169

77

128128

7116

7116198769

177166

7.6

176.5.

156.35.

179.116.139.68.63.0.

152.13.

116.134.18.

176.174151 .122.

6.6.

12.6.6.3.

121 .15.72.22.12.26.21 .

116.1866.

126.69.97.

116.

.392 E

.234 E659 E.664 E.735 E.970 E.677 E.465 W571 E893 W395 E.025 W.667 W328 E.844 E.671 E847 E

.844 W

.567 E

.773 W31 E81 W.428 W.173 E.745 W.521 W.605 W463 W692 E989 W891 E935 E965 E307 E

. 144 W763 W

619 E720 E506 E903 E889 E59 E582 W774 E44 W296 E700 E376 E097 E851 W388 E825 W205 W68 W41 W901 W

10

321610

2233396

101

10

331571761010

9

38810

5833

5442

133128

5106710

533103521135

10101610101065

15833101 1102

1022510

201335

MB Msz

GD 5.B 5.7GG? 4.9N 4.54.4

GG

GN 4.34.6»

4.6GG

? 4.3G

3.7N 4.5? 4.9

* 3.5?GG

G

N 5.04.9G 4.2D 5.2 5.3

GGGGGG

G?N 4.7G

G

G

G743N

0.91.00.80.40.56.86.6

0.8

0.91 .21 .01 .00.70.20.9

0.80.5

1 . 10.8

0.66.71 .20.5

0.7

1 .38.50.91.3

1.00.51 . 10.50.40.8

1 .01 . 11 .41 .31 .00.8

0 31 20 80.71 .2

NO. STAUSED

63636188

173810131034301743176

30

305

695

166

138

155

468

15709

35101

4727

181340382318161210

1 10

516141 18

134685

13

REGION, CONTRIBUTED MAGNITUDES AND COMMENTS

AEGEAN SEAVANUATU ISLANDSNORTHERN ITALY. ML 3.5 (LOG), 3.2 (GEN).NORTHERN ITALY. ML 1.8 (GEN).HALMAHERA, INDONESIAHALMAHERA, INDONESIANORTHERN ITALY. ML 3.0 (LOG), 2.7 (GEN).SOUTHERN CALIFORNIA. <PAS-P>. ML 2.8 (PAS).<PAS-P>.NORTHERN ITALY. ML 2.2 (GEN). SOUTHERN CALIFORNIA. <PAS-P>. ML 2.8 (PAS). ALBANIA. ML 3.2 (TTG), 3.0 (TIR), 2.8 (SKO). OFF COAST OF COSTA RICA NORTHERN CHILEOFF E. COAST OF N. ISLAND, N.Z. OFF W. COAST OF S. ISLAND, N.Z. ML 3.9 (WEL). NORTHERN ITALY. ML 1.7 (GEN).GERMANY. ML 3.4 (GRF), 3.3 (VIE), 3.2 (SIR), 3.1 (BNS). MD 3.1 (UCC).FIJI ISLANDS REGIONSOUTHERN NORWAY. ML 1.7 (NAO). MD 1 6 (BER).ALASKA PENINSULA. <AEIC>. ML 3.7 (AEIC).MOZAMBIQUESOUTH OF FIJI ISLANDSSOUTHERN CALIFORNIA. <PAS-P>. ML 2 8 (PAS).NEAR S. COAST OF HONSHU, JAPANSAN JUAN PROVINCE, ARGENTINANEAR COAST OF VENEZUELA. MD 4.5 (TRN).PYRENEES ML 1 0 (STR).SOUTHERN ALASKA. <AEIC>. ML 2.5 (AEIC).CENTRAL ITALYCENTRAL CALIFORNIA. <PAS-P> ML 3.1 (PAS), 2.7 (GS).IRIAN JAYA REGION. INDONESIANORTHWESTERN BALKAN REGION. ML 1.6 (TTG).NORTH ISLAND, NEW ZEALANDLOYALTY ISLANDS REGIONCENTRAL ALASKA. <AElC>. ML 2.5 (AEIC).NORTHERN CALIFORNIA. <BRK>. ML 2.9 (BRK), 3.2 (GS).Felt strongly at The Geysers.FRANCE. ML 2.5 (LOG), 2.3 (GEN).FRANCE. ML 2.2 (LOG), 2.2 (STR), 1.9 (GEN).CENTRAL ITALY. ML 3.1 (LOG). MD 3.3 (TRI).FRANCE. ML 3.6 (LOG). 2.6 (GEN).FRANCE. ML 3.6 (STR), 2.4 (LOG), 2.3 (GEN).NORTHERN ALGERIACENTRAL CALIFORNIA. <GM-P>. MD 2.9 (GM). ML 2.8 (GS).POLAND. ML 3.6 (GRF), 3.2 (VIE).OFF COAST OF CENTRAL CHILESOUTHERN GREECE. ML 4.1 (TlR), 4.0 (ATH).CENTRAL ITALYIONIAN SEA. MD 3.2 (ATH).GREECESOUTHERN CALIFORNIA. <PAS-P> ML 2.9 (PAS).NORTHWESTERN BALKAN REGION ML 2.1 (TTG).SALTA PROVINCE, ARGENTINAOFF COAST OF NORTHERN CALIFORNIA. MD 3.4 (GM).NORTHERN CHILENEAR COAST OF OAXACA, MEXICOSOUTHERN CALIFORNIA. <PAS-P>. ML 3.2 (PAS), 2.9 (GS).

Annual Subscriptions: Superintendent of Documents, U.S Government Printing Office, Washington, D.C. 20402. Bock issues Books ond Open-File Reports Section, U.S. Geological Survey, Box 25425, Denver, CO 80225.

DEC 1992 PAGE

020202020202020202020202020202

020202020202020203030303030303030303036303030303030363030303030303030303630303030303030303030303030303030304040404040404

0404040464040404

0507676810101 11212141415151518

1819202121222222000102020204040404066608080809091010111 11213131414151718181818191919191920202020202122232300000000010102

0202020303030405

45 3612 1122 0314 5705 0725 5218 4638 4355 5700 2602 1209 5427 1827 1903 44

45 1227 2123 5400 331 1 2236 6939 2655 0359 4837 4017 2519 0721 1112 3421 4545 5251 5928 3736 4428 0429 5937 0144 0356 2628 0049 1405 3723 3838 1926 66,46 6206 6807 1624 1137 5909 46.12 37,24 48,39 2017 2422 21 .24 12.26 4330 0500 53.04 03.17 49.34 09.54 21 ,58 20.08 48.25 4036 15.33 61 .34 56.38 18.59 55.57 13,59 61 .08 57.

12 16.13 48.1911.12 29.14 38.25 41 .4011.25 11 .

.9? 52

.2* 30

.5 31

.9* 34

.6? 9

.5? 39

.4% 39

.3* 34

.0* 2

.3% 43

.8 29

.5 40

.5* 42

.8 43

.0 61

. 4? 41

.1*10

.2* 28

.6 2

.8* 34

.9% 39

.7% 18

. 1 31

.3 42

.8? 14

.5* 13

.9* 38

. 1? 11

.3* 16

.6% 40

.9 24

.6* 20

.7 486& 57

. 1% 44

.5* 31

.8? 6

.6% 10

.5% 40

.9* 4

.7? 46

.8* 59

.4 6

.2% 45

.7? 43

. 1% 45

.9* 45

.5* 45

. 1* 51

.0* 25

. 1* 57

.6* 32

.9 12* 15* 59,,4* 65.. 1* 59.2 65? 38..4% 44.7 38,0* 51 .5? 8..7 44.4* 34.9 43,0? 39.9& 34..0 22.8? 10..3* 12.,6 15..0* 4.,7? 8.5* 34.

7? 40.5* 34.6& 34.2* 34.3* 34.8* 34.7% 18.2* 34.

.99 N

.366 N

.688 S

.900 N

.86 S

.72 N

.081 N

.420 N

.220 S

.262 N

.413 N

.400 N

.549 N

.672 N

.805 N

.98 N

.662 N

.202 S

.467 N

.376 N

.543 S

. 1 15 N

.784 S

.498 N

.51 N

.716 S

.042 N

.34 N

.977 N

. 780 N

.036 N

.502 S

. 137 S

.685 N

.899 N

.557 S

.83 N

.796 N

.656 N

.247 S

.38 N

. 186 N

.062 S801 N.37 N888 N.241 N.622 N. 139 N. &33 S520 N698 S321 N.438 N.748 N. 479 N203 N390 S73 N504 N,932 N263 N57 N353 N.331 N,280 N.37 N.251 N246 S50 N132 N942 N.984 S97 N369 N

61 N359 N371 N359 N363 N372 N610 N377 N

1591 1667971102127

1 1613919522107

151

23121671281161746669

1 1 19316626936123

122679

152266973612281

1149130272326

15215115

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153.130.237

21 .1576.7 .

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1 16.63.62.4661 .

129.81.

116.

28.116.1 16.1 16.116.116.66.

1 16.

.59 E

.382 W

.864 W

.540 W

.85 W

.97 E666 E.484 W.585 E.998 E.012 E.216 E.947 E.076 E. 194 W

.17 E

.487 E

.226 W

.506 E

.460 W

.883 E

.254 W

.390 W

.213 W

.56 W

.622 E

.929 E

.27 W

.253 W

.167 E

.711 E

.875 W

.878 W

.589 W

.484 E

.309 W

.15 W

. 174 W

.969 E

. 159 W

.77 E

.060 W

.406 E

.281 E

.89 E808 E.069 E.813 E.851 E.389 E884 W.462 W.830 E.703 E.406 W,373 W,845 W.048 E.45 E.097 E.192 E734 E15 W.299 E,911 W408 E.71 E430 W606 W41 W303 E

. 152 W887 E27 W897 W

91 E921 W918 W912 W924 W906 W398 W918 W

33 N5 G

44

5 G10 G5 G

10 G6

33 N10 G10 G10 G10 G10 G74

16 G33 N

191 ?226

515333 N123

5 G56 *59 10 G33 N33 N10 G10 G

195 *10 G4010 G

115 147 *33 N10 G25 D10 G31

16233 N10 G95 ?33 N33 N16 G10 G10 G33 N33 N33 N

11910 G

104163 *10 G10 G10 G5 G

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.7

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170

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119

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Fel t.OFF EAST COAST OF KAMCHATKABAJA CALIFORNIA, MEXICO. ML 4.1 (GS).SAN JUAN PROVINCE, ARGENTINAOKLAHOMA. <TUL>. mbLg 1.8 (TUL).CENTRAL EAST PACIFIC RISEGREECETURKEY. MD 2.8 (ISK).SOUTHERN CALIFORNIA. <PAS-P>. ML 3.0 (PAS), 2.7 (GS).NEAR NORTH COAST OF IRI AN JAVANORTHWESTERN BALKAN REGION. ML 1.7 (TTG).SOUTHERN IRANGREECEPYRENEES. ML 1.5 (STR).NEAR SOUTH COAST OF FRANCESOUTHERN ALASKA. Felt (V)

ML 1.2 (STR). at Anchorage, Big Lake,

ML 2.9 (PAS), 2.6 (GS).

ML 3.4 (AEIC).

Cooper Landing, Skwentna, So I dot no and Wosillo; (IV) at Chugiok, Eogle River, Kenai, Palmer, Sterling, Tyonek and Wi I Iow.GREECE-BULGARIA BORDER REGIONPANAY, PHILIPPINE ISLANDSLA RIOJA PROVINCE, ARGENTINAHALMAHERA, INDONESIASOUTHERN CALIFORNIA. <PAS-P>.NORTH ISLAND, NEW ZEALANDPUERTO RICO REGIONSAN JUAN PROVINCE, ARGENTINAEASTERN IDAHO. ML 3.3 (GS), 3.4 (BUT).NEAR COAST OF CHIAPAS, MEXICOVANUATU ISLANDSAEGEAN SEA. MD 2.7 ( ISK) .OFF COAST OF MEXICOLEEWARD ISLANDS. ML 3.2 (FDF).GREECETAIWAN REGIONSOUTHERN BOLIVIASOUTHERN MID-ATLANTIC RIDGEKODIAK ISLAND REGION. <AEIC>.ROMANIASAN JUAN PROVINCE, ARGENTINANORTHERN COLOMBIATRINIDAD. MD 2.7 (TRN).GREECENEAR COAST OF NORTHERN PERUFRANCE. ML 1.5 (STR).KENAI PENINSULA, ALASKA. <AEIC>. ML 2.6 (AEIC).BANDA SEAROMAN I ABULGARIAROMANIAEAST OF KURIL ISLANDSKURIL ISLANDSPOLAND. MG 2.6 (WAR).NORTHERN TERRITORY, AUSTRALIAGULF OF ALASKA. <AEIC>. ML 3.2 (AEIC).NEAR COAST OF CENTRAL CHILE. MD 4.0 (SAN).MINAHASSA PENINSULA, SULAWESIMINAHASSA PENINSULA, SULAWESISOUTHERN ALASKA. <AEIC>.WESTERN GREENLANDSOUTHERN ALASKA. <AEIC>.BANDA SEAGREECENORTHERN ITALY. ML 1.7 (GEN).GREECE. ML 3.6 (ATH), 3.6 (TIR).POLAND. ML 3.0 (VIE).NEAR NORTH COAST OF COLOMBIANORTHERN ITALY. ML 2.4 (GEN),SOUTHERN CALIFORNIA. <PAS-P>.NORTHERN XINJIANG, CHINA. MLTURKEY. MD 2.7 (ISK).SOUTHERN CALIFORNIA. <PAS-P>.SALTA PROVINCE, ARGENTINANEAR COAST OF VENEZUELA. MD 3.5 (TRN).WESTERN GULF OF ADENLEEWARD ISLANDS. MD 3.7 (TRN).BANDA SEAPANAMASOUTHERN CALIFORNIA. <PAS-P>.5.2 (GS). Felt (V) ot Arcadia, 8ig Beor City, Fo*nskin,Orange ond Sonto Ana; (IV) ot Anoheim, Blue Jay,Bur bonk. El Monte. Hemet, Idyllwild, India, La Oulnta,Littlerock ond Rosemeod. Felt in Los Angeles, Orange,Riverside, Son Bernordino, Son Diego ond VentureCounties. Felt os for as Las Vegos, Nevada.TURKEY. MD 2.6 (ISK).

<PAS-P>.<PAS-P>.<PAS-P>.<PAS-P>.<PAS-P>.

1 .9 (STR).ML 2.8 (PAS), 2.6 (GS) 4.8 (BJI ).

ML 2.8 (PAS), 2.7 (GS)

ML 5.3 (PAS), 5.4 (BRK),

SOUTHERN CALIFORNIA SOUTHERN CALIFORNIA SOUTHERN CALIFORNIA SOUTHERN CALIFORNIASOUTHERN CALIFORNIA PUERTO RICO REGIONSOUTHERN CALIFORNIA <PAS-P>.

MLMLMLMLML

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(PAS).

2,

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(GS).

(GS).

(BRK),

PAGE DEC 1992

0404040404040404

040484

040404048404040404

0404

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4 5 (GS). Felt (V) at Big Bear City, Fawnskin andFantana; (IV) at Alto Lama, La Ouinta, Lancaster,Orange, Palmdale, San Bernardina and Santa Ana. Felt inKern, Los Angeles. Orange. Riverside and San BernardinaCounties.KURIL ISLANDSSOUTHERN CALIFORNIA. <PAS-P>. ML 3.6 (PAS),NEAR COAST OF GUERRERO, MEXICOSOUTHERN CALIFORNIA. <PAS-P>. ML 2.8 (PAS),FIJI ISLANDS REGIONHOKKAIDO. JAPAN REGIONFRANCE. ML 2.9 (LDG).TAJIKISTAN. Felt in the Peshawar area, Pakistan.from broadband displacement seismog rams.SOUTH ISLAND, NEW ZEALAND. ML 4.0 (WEL).YUNNAN. CHINA. ML 4.4 (BJI).SOUTHERN CALIFORNIA. <PAS-P>. ML 4.2 (PAS), 4.5 (BRK),4.1 (GS). Felt (III) at Big Bear City and Highland.SOUTH ISLAND, NEW ZEALAND. ML 3.9 (WEL).TURKEYEASTERN HONSHU, JAPANEGYPT. MD 3.6 (RYD), 3.5 (HLW).CHILE-ARGENTINA BORDER REGIONCENTRAL ALASKA. <AEIC>. ML 2.6 (AEIC), 3.0 (PMR).SOUTHERN CALIFORNIA. <PAS-P>. ML 2.8 (PAS), 2.5 (GS).SOUTHERN CALIFORNIA. <PAS-P>. ML 2.8 (PAS), 2.6 (GS).SOUTHERN NEVADA. ML 3.4 (GS).NEAR COAST OF CENTRAL CHILE. MD 4.5 (SAN).NORTHWESTERN BALKAN REGION. ML 4.3 (VIE), 4.2 (LJU),4.2 (TIR). MD 4.2 (TRI), 4.1 (TTG). Felt in theMakerska-Metkavic-Dubravnik area, Croatia. Also felt atLjubuski, Bosnia-Herzegovina.TONGA ISLANDSNORTHERN ITALY. ML 1.9 (LDG).NORTHERN MOLUCCA SEANORTHERN ITALY. ML 2.8 (LDG).SOUTH ISLAND, NEW ZEALAND. ML 4.4NORTHERN MOLUCCA SEAGREECECHILE-BOLIVIA BORDER REGIONFRANCE. ML 2.3 (LDG).SOUTH SANDWICH ISLANDS REGIONNORTH ISLAND, NEW ZEALANDPYRENEES. ML 2.5 (LDG).SAN JUAN PROVINCE, ARGENTINAFLORES REGION, INDONESIAOFF E. COAST OF N. ISLAND, N.Z.GUERRERO, MEXICOCENTRAL CALIFORNIA. <BRK>. ML 3.4 (BRK). 3.4 (PAS).SOUTHERN CALIFORNIA. <PAS-P>. ML 3.1 (PAS), 3.8 (GS).WESTERN AUSTRALIATAIWAN REGIONPHILIPPINE ISLANDS REGIONPHILIPPINE ISLANDS REGIONTAJ I KISTANSOUTHERN CALIFORNIA. <PAS-P>. ML 2.9 (PAS), 2.7 (GS). AEGEAN SEA. ML 4.1 (ATH). MD 4.1 (ISK).SAVU SEATURKEY. MD 3.7 (ISK). MARIANA ISLANDS ALBANIA. ML 2.4 (TIR). ALBANIA ML 2.5 (TIR).GREECENORTHERN ITALY. ML 1.6 (GEN).RAT ISLANDS. ALEUTIAN ISLANDSGREECESAN JUAN PROVINCE. ARGENTINANEAR COAST OF GUERRERO, MEXICONORTHERN ITALY. ML 2.1 (GEN).TURKEY. MD 2.7 (ISK).NEAR EAST COAST OF HONSHU. JAPANSOLOMON ISLANDS. Felt (III) at Honiara.GREECELEEWARD ISLANDS. ML 3.9 (FDF).OFF COAST OF HOKKAIDO, JAPANEASTERN HONSHU, JAPANVANUATU ISLANDSADRIATIC SEA. ML 3.8 (TTG), 3.4 (TIR).CENTRAL CALIFORNIA. <PAS-P>. ML 3.3 (PAS), 2.9 (GS).Felt in the Barstaw area.NORTH ISLAND, NEW ZEALANDTURKEY. MD 3.3 (ISK).TURKEY. MD 2.6 ( ISK ) .TURKEY. MD 3.1 (ISK).CENTRAL ALASKA. <AEIC>. ML 3.6 (AEIC), 3.9 (PMR).TURKEY. MD 3.1 (ISK).TURKEY. MD 3.2 (ISK).PYRENEES. ML 1.8 (STR).VANUATU ISLANDS REGIONSOUTH ISLAND, NEW ZEALAND. ML 4.3 (WEL).COLOMBIA. Minor damage at Florencia. Also felt at CaIi.LEEWARD ISLANDS. ML 3.2 (FDF). CARLSBERG RIDGE

DEC 1992 PAGE 4

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DEC 1992

TURKEY . MD 2.7 ( ISK) .NORTHERN CALIFORNIA. <BRK>. ML 3.2 (BRK).AUSTRIA. ML 2.3 (VIE) .MENDOZA PROVINCE, ARGENTINA. MD 4.1 (SAN).GREECE. ML 1.9 (SKO).SOUTHERN CALIFORNIA. <PAS-P> . ML 2.9 (PAS), 2.7 (GS).KURIL ISLANDSVANUATU ISLANDSIONIAN SEA. MD 3. 3 (ATH) .TALAUD ISLANDS, INDONESIANORTHERN CALIFORNIA. <BRK>. ML 3.2 (BRK).KURIL ISLANDSEASTERN CAUCASUSCOSTA RICAOFF COAST OF MEXICONICOBAR ISLANDS, INDIAGREECE. ML 3.5 (ATH) .TURKEY. MD 2.8 ( ISK) .CENTRAL CALIFORNIA. <BRK>. ML 2.7 (BRK).OFF W. COAST OF S. ISLAND, N.Z.AEGEAN SEA. MD 3.7 (ATH), 3.5 (ISK).LUZON, PHILIPPINE ISLANDSCENTRAL CHILE. MD 4.2 (SAN).LEEWARD ISLANDS. ML 3.9 (FDF). MD 3.6 (TRN).LEEWARD ISLANDS. ML 3.8 (FDF). MD 3.5 (TRN).GREECEMID-INDIAN RIDGENORTHERN COLOMBIASPAIN. mbLg 2.9 (MOD) .TURKEY. MD 2.8 ( ISK) .NEAR SOUTH COAST OF FRANCE. ML 2.0 (GEN).NORTHERN MOLUCCA SEACENTRAL CALIFORNIA. <BRK>. ML 2-7 (BRK).NEAR COAST OF CENTRAL CHILE. MD 3.7 (SAN).NORTHWESTERN BALKAN REGION. ML 2.0 (SKO).SOUTHERN CALIFORNIA. <PAS-P>. ML 2-8 (PAS), 2.3 (GS).BULGARIAHALMAHERA, INDONESIANORTH ISLAND, NEW ZEALANDNORTHERN COLOMBIALEEWARD ISLANDS. ML 2.9 (FDF).SOUTH OF TONGA ISLANDSCHIAPAS, MEXICOCHILE-ARGENTINA BORDER REGION. MD 3.7 (SAN).CENTRAL ALASKA. <AElC>. ML 2.5 (AEIC).LEEWARD ISLANDS. ML 4.0 (FDF). MD 3.8 (TRN).SPAIN mbLg 3.6 (MDD). Felt (IV) in the Algemesi oreo.SOUTHERN CALIFORNIA. <PAS-P>. ML 3.0 (PAS), 2.7 (GS).NEAR COAST OF CENTRAL CHILE. MD 3.4 (SAN).CHILE-ARGENTINA BORDER REGION. MD 3.4 (SAN).X IZANGPYRENEES. ML 3.0 (LOG). Felt (Ml) in the Ossau Valley,Fr once .SALTA PROVINCE, ARGENTINASWITZERLAND. ML 2.0 (LOG).NORTH ISLAND, NEW ZEALANDBAY OF BENGALGULF OF ALASKA. ML 3.0 (AEIC).CENTRAL CHILEGULF OF ALASKA. ML 3 3 (AEIC).MOZAMBIQUE. mbLg 3.9 (BUL).SOUTHERN ALASKA. <AEIC>. ML 3.9 (AEIC), 4.0 (PMR). Felt(II) at Anchoroge and Palmer.SOUTHERN MOLUCCA SEARYUKYU ISLANDSNEAR COAST OF CENTRAL CHILE. MD 4.0 (SAN).SOUTHERN CALIFORNIA. <PAS-P>. ML 3.2 (PAS), 2.8 (GS).LA RIOJA PROVINCE, ARGENTINASPAIN. mbLg 2.7 (MDD).SOUTHERN ALASKA. <AEIC>.SOUTHERN ALASKA. <AEIC>.OFF EAST COAST OF HONSHU, JAPANOFF EAST COAST OF HONSHU, JAPANNEAR COAST OF CENTRAL CHILE. MD 3.4 (SAN).PACIFIC-ANTARCTIC RIDGE. Mo-1 . 6* 1 0* 1 8 Nm (PPT).FRANCE. ML 3.0 (LOG) .SPAIN. mbLg 2.5 (MDD) .NEAR EAST COAST OF HONSHU, JAPANCOSTA RICA. Felt in much of southern Casta Rico. Feltlightly in the Central Volley.SOUTHERN BOLIVIAGULF OF ALASKA. ML 3.2 (AEIC), 3.4 (PGC) .SPAIN. mbLg 3.2 (MDD). Felt (III) in the Algemesi area.SOUTHERN CALIFORNIA. <PAS-P>. ML 3.0 (PAS), 2.9 (GS).Fel t.OFF EAST COAST OF HONSHU, JAPANIRIAN JAYA, INDONESIACENTRAL CALIFORNIA. <BRK>. ML 2.7 (BRK).TURKEY. MD 2.8 ( ISK) .SOLOMON ISLANDSSOUTHERN ALASKA. <AEIC>.TURKEY. MD 2.7 (ISK) .TURKEY . MD 2.7 ( ISK) .

DEC 1992 PAGE 6

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OFF COAST OF COSTA RICANORTHWESTERN BALKAN REGION. ML 2.4 (SKO).FRANCE. ML 2.4 (LOG).ADRIATIC SEA. ML 2.6 (TTG).CALIFORNIA-NEVADA BORDER REGION. <BRK>. ML 3.3 (BRK),2.9 (GS).TURKEY. MD 2.7 (ISK).TONGA ISLANDSNORTH ISLAND, NEW ZEALANDCHILE-ARGENTINA BORDER REGION. MD 4.6 (SAN).SOUTHERN ITALYCENTRAL ALASKA. <AEIC>. ML 2.9 (AElC). 3.2 (PMR).NEAR COAST OF CENTRAL CHILE. MD 4.2 (SAN).NEAR SOUTH COAST OF FRANCEFRANCE. ML 2.6 (LDG).FRANCE. ML 2.5 (LDG).TURKEY . MD 2.9 (ISK).NEAR COAST OF PERUSOUTHERN ALASKA. <AEIC>. ML 2.5 (AEIC).SOUTH OF FIJI ISLANDSTURKEY. MD 3.6 (ISK), 3.6 (ATH).ALBANIA. ML 3.6 (TTG), 2.8 (TIR).ALBANIA. ML 4.2 (ROM), 3.7 (TIR). MD 3.8 (TTG).ALBANIA. ML 2.2 (TIR).NEAR COAST OF CENTRAL CHILE. MD 3.9 (SAN).ALBANIA. ML 2.3 (TTG).ALBANIA. ML 3.1 (TIR), 3.1 (TTG).ALBANIA. ML 1.9 (TTG).ALBANIA. ML 2.5 (TTG), 2.4 (TIR).GULF OF ALASKA. ML 2.8 (AEIC), 3.2 (PGC).KYUSHU. JAPANSOUTHERN CALIFORNIA. <PAS-P>. ML 2.8 (PAS), 2.7 (GS).CHILE-ARGENTINA BORDER REGION. MD 4.2 (SAN).ALBANIA. ML 2.1 (TTG).FLORES REGION. INDONESIASOUTHWESTERN RYUKYU ISLANDSTURKEY. MD 3.1 (ISK).SOUTH SANDWICH ISLANDS REGIONNEAR COAST OF NORTHERN CHILECATAMARCA PROVINCE, ARGENTINAKYUSHU, JAPANTURKEY. MD 3.1 ( ISK).SOUTHERN CALIFORNIA. <PAS-P>. ML 3.5 (PAS), 3.3 (GS).NORTHERN MID-ATLANTIC RIDGEVANUATU ISLANDSTURKEY. MD 3.6 (ISK).TAIWAN REGIONSAN JUAN PROVINCE, ARGENTINANORTHERN ALASKA. <AEIC>. ML 3.5 (AEIC), 3.9 (PMR). NORTH ISLAND, NEW ZEALAND SALTA PROVINCE. ARGENTINASOUTHEAST OF SHikOKU, JAPANOFF EAST COAST OF HONSHU, JAPANNEW SOUTH WALES, AUSTRALIA. ML 3.1 (RlV).SOUTHERN ALASKA. <AEIC>.FLORES REGION, INDONESIA. Ms 7.5 (BRK). Mo-8.0*10»*20Nm (PPT). At Icost 2,560 people killed or missing inthe Flores region, including 1,496 ot Moumere ond 766on Bobi. More thon 506 people were injured ond 90,006were left homeless. Nineteen people killed ond 130houses destroyed on Kolootoo. Severe domoge, withopproximoteIy 90 percent of the buildings destroyed otMoumere by the earthquoke ond tsunami; 50 to 80 percentof the structures on Flores were damaged or destroyed.Domoge also occurred on Sumbo ond Alor. The tsunami onFlores ran inland as much as 300 meters with woveheights of 25 meters. Landslides ond ground crocks werereported ot several locations on the island. Felt (v)ot Lorontuko, Flores; (IV) ot Woingopu, Sumbo ond UjungPondong, Sulawesi; (II) ot Kupong, Timor. Depth frombroadband displacement seismogroms.SOUTHERN CALIFORNIA. <PAS-P>. ML 3.0 (PAS), 2.8 (GS).Fel t .FLORES REGION, INDONESIAFLORES REGION, INDONESIAWEST OF GIBRALTAR. mbLg 3.4 (MDD).FLORES REGION, INDONESIAGUERRERO, MEXICONORTHWESTERN BALKAN REGION. ML 2.5 (SKO).FLORES REGION, INDONESIAFLORES REGION. INDONESIAFLORES REGION, INDONESIAFLORES REGION. INDONESIAFLORES REGION, INDONESIAFLORES REGION, INDONESIASAVU SEAFLORES REGION, INDONESIATONGA ISLANDS REGIONFLORES REGION, INDONESIAPHILIPPINE ISLANDS REGIONPHILIPPINE ISLANDS REGIONFLORES REGION, INDONESIASAVU SEA

DEC 1992 PAGE 8

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(PMR).

PAGE 9 DEC 1992

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TALAUD ISLANDS, INDONESIACENTRAL PERUFRANCE. ML 2.5 (LDG).SOUTH OF MARIANA ISLANDSNORTHWESTERN BALKAN REGIONNEAR COAST OF CENTRAL CHILE. MD 3.4 (SAN).NORTHWESTERN BALKAN REGION. MD 2.3 (TRI).SOUTHERN CALIFORNIA. <PAS-P>. ML 2.9 (PAS).CENTRAL ALASKA. <AEIC>.FLORES REGION, INDONESIASOUTH OF PANAMATIMOR REGION, INDONESIASOLOMON ISLANDSWESTERN NEI MONGOL, CHINA. ML 4.1 (BJl).AUSTRIA. ML 3.4 (GRF), 3.0 (BRA), 2.8 (VIE). Felt (IV)at Te r n i t z .NORTHERN COLOMBIAFLORES REGION, INDONESIAMARIANA ISLANDS. Felt (V) on Guam and (III) an Saipan.RAT ISLANDS, ALEUTIAN ISLANDS. Felt (IV) on Amchitka.REVILLA GIGEDO ISLANDS REGIONVENEZUELA. Felt at El Tacuyo.NORTHWESTERN BALKAN REGION. ML 2.4 (TTG).SAN JUAN PROVINCE, ARGENTINAMONA PASSAGEVANUATU ISLANDS REGIONFRANCE. ML 2.2 (LDG,) .SOUTHERN CALIFORNIA. <PAS-P>. ML 3.2 (PAS). 2.8 (GS).NORTHWESTERN BALKAN REGION. ML 1.8 (TTG).SOUTH OF HONSHU, JAPANSPAIN. mbLg 3 0 (MDD).NEAR COAST OF PERUSAVU SEANORTH ISLAND, NEW ZEALANDNORTH ISLAND, NEW ZEALANDNEAR COAST OF CENTRAL CHILENORWEGIAN SEA MD 3.3 (BER)CENTRAL ALASKA. <AEIC>. MLALASKA PENINSULA. <AEIC>.TALAUD ISLANDS, INDONESIASOUTHERN CALIFORNIA. <PAS-P>.MINAHASSA PENINSULA, SULAWESINORTHERN COLOMBIA. MD 4.3 (UPA).SOUTH OF KERMADEC ISLANDSNORTHWESTERN BALKAN REGIONSOUTHERN CALIFORNIA. <PAS-P>. ML 3.2 (PAS), 2.9 (GS).JAWA. INDONESIANORTHWESTERN BALKAN REGION. MD 1.8 (TRI).FLORES REGION, INDONESIAGERMANY. ML 2 5 (STR). MD 2.5NEAR COAST OF VENEZUELA. MDFRANCE. ML 2.2 (GEN), 2.2 (LDG).NORTHERN ITALY. ML 2.0 (GEN), 2.0 (LDG).FLOPES REGION, INDONESIANORTHERN CHILENORTHERN COLOMBIANEAR COAST OF PERUFLORES REGION. INDONESIATURKEY. MD 3.6 (ISK). Felt at Emirdag and Sivrihisar.IRAN-IRAC BORDER REGION. Felt at Dehloran,SUMBAWA REGION, INDONESIAOFF COAST OF CENTRAL CHILE. MD 3.7 (SAN).SOUTHERN ALASKA <AEIC>.NORTHERN CHILEKERMADEC ISLANDS, NEW ZEALANDMONA PASSAGEARABIAN SEASOUTHERN ALASKA. <AEIC>.SOUTHERN CALIFORNIA. <PAS-P>.MINDANAO, PHILIPPINE ISLANDSNEAR EAST COAST OF HONSHU, JAPANPOLAND. MG 3.2 (WAR).SAN JUAN PROVINCE, ARGENTINAROMANIA. FeltFLORES REGION,GREECEMINDANAO, PHILIPPINE ISLANDSNEAR COAST OF GUATEMALAPYRENEES. ML 1.0 (STR).OFF COAST OF OREGONNORTHERN ITALYREPUBLIC OF SOUTH AFRICA. ML 3.7 (PRE). mbLg 3.5 (BUL)SOUTHERN NORWAY. MD 0.8 (BER).SWITZERLAND. ML 2.3 (LDG).LUZON, PHILIPPINE ISLANDSTAI WANCENTRAL ALASKA. <AEIC>. ML 2.5 (AEIC).SOUTHERN CALIFORNIA. <PAS-P>. ML 3.2 (PAS), 3.0 (GS).KURIL ISLANDSEASTERN NEW GUINEA REG., P.N.G.AEGEAN SEA. MD 3.4 ( ISK).MICHOACAN, MEXICOSOUTHERN CALIFORNIA. <PAS-P>. ML 2.8 (PAS), 2.6 (GS),

(UCC). 3.5 (TRN).

Iran.

ML 3.0 (PAS), 2.8 (GS)

MD 3.9 (SAN). n the Vroncea area and at Bucharest INDONESIA

DEC 1992 PAGE 10

16 00 34 13.1» 23.080 N 123.196 E 25 * 3.9 0.9 8 SOUTHWESTERN RYUKYU ISLANDS16 01 00 03.8? 39.33 N 28.64 E 10 G 065 TURKEY16 01 17 27.3 39.312 N 28.880 E 10 G 1.0 14 TURKEY. MD 3.4 (ISK).16 02 41 46.1» 8.083 S 122.701 E 33 N 4.3 1.2 13 FLORES REGION, INDONESIA16 02 48 30.0» 15.529 N 93.078 W 72 D 4.2 1.1 21 NEAR COAST OF CHIAPAS, MEXICO16 03 41 07.2% 43.111 N 19.926 E 5 G 0.3 7 NORTHWESTERN BALKAN REGION. ML 1.4 (TTG).16 04 10 24.4» 12.538 N 88.163 W 121 D 4.4 1.0 29 OFF COAST OF CENTRAL AMERICA16 04 27 46.6? 43.68 N 11.79 E 10 G 0.5 4 CENTRAL ITALY16 05 07 58.4 7.866 S 116.463 E 36 » 5.0 1.3 34 BALI SEA. Felt (II) at Kahang-Kahang, Bo Ii.16 06 11 51.0? 27.04 N 141.82 E 33 N 4.7 0.3 11 BONIN ISLANDS REGION16 06 35 31.5 44.529 N 6.438 E 10 G 0.6 10 FRANCE. ML 2.3 (GEN), 2.3 (LDG).16 06 55 07.8* 40.000 N 19.703 E 5 G 1.3 10 ALBANIA. ML 3.0 (TIR).16 06 57 26.8? 28.98 S 67.36 W 134 ? 0.6 5 LA RIOJA PROVINCE, ARGENTINA16 07 09 17.9 39.701 N 20.416 E 10 G 1.1 20 GREECE-ALBANIA BORDER REGION. MD 3.3 (ATH). ML 3.1

(TIR).16 07 30 14.9? 6.34 S 147.17 E 33 N 0.6 4 EASTERN NEW GUINEA REG., P.N.G. ML 4.1 (PMG).16 08 49 02.7 43.397 N 5.415 E 10 G 1.0 19 NEAR SOUTH COAST OF FRANCE. ML 2.8 (STR).

a 16 09 49 40.9* 17.136 S 66.916 E 10 G 5.0 4.7 1.1 40 MAURITIUS-REUNION REGION16 09 55 56.2& 34.625 N 116.545 W 3 19 SOUTHERN CALIFORNIA. <PAS-P>. ML 3.3 (PAS), 3.1 (GS)16 10 21 25.3? 35.93 S 179.21 E 271 * 4.6 0.6 12 OFF E. COAST OF N. ISLAND, N.Z.16 10 25 23.6* 31.422 N 115.674 W 10 G 0.8 8 BAJA CALIFORNIA, MEXICO. ML 3.7 (GS).16 10 41 26.1% 37.802 N 30.488 E 10 G 0.9 5 TURKEY. MD 3.2 (ISK).16 10 48 52.4 8.315 S 122.552 E 33 N 4.8 1.0 24 FLORES REGION, INDONESIA16 11 16 51.9? 39.31 S 174.49 E 288 ? 0.2 19 NORTH ISLAND, NEW ZEALAND16 11 50 01.4 40.688 N 23.415 E 10 G 0.5 10 GREECE. ML 3.0 (SKO).16 12 29 04.1* 24.423 N 120.675 E 31 * 3.5 0.9 8 TAIWAN. ML 3.9 (8JI).16 13 23 19.8? 42.29 N 23.94 E 10 G 0.6 9 BULGARIA16 13 32 04.4% 43.373 N 12.493 E 10 G 0.2 5 CENTRAL ITALY16 13 51 12.5% 44.090 N 11.090 E 10 G 0.5 6 NORTHERN ITALY16 14 07 13. 5% 40.385 N 21.445 E 10 G 065 GREECE16 14 18 48.2? 37.05 N 4.54 W 10 G 1.6 4 SPAIN16 14 21 20.1 45.672 N 15.394 E 10 G 0.9 11 NORTHWESTERN BALKAN REGION. ML 3.0 (VIE), 2.5 (ZAG).16 14 38 31.2? 23.44 N 92.56 E 33 N 4.1 0.8 9 INDIA-BANGLADESH BORDER REGION16 14 47 24.9 37.116 N 4.492 W 10 G 0.9 8 SPAIN. mbLg 2.9 (MDD) .16 15 39 44.5% 40.276 N 21.576 E 10 G 0.3 5 GREECE16 15 56 30.8 14.749 N 93.748 W 60 * 4.6 1.3 43 NEAR COAST OF CHIAPAS. MEXICO16 16 03 52.9% 44.743 N 7.221 E 5 G 0.1 6 NORTHERN ITALY. ML 1.5 (GEN).16 16 21 46.9* 38 126 N 27.001 E 10 G 0.4 5 TURKEY. MD 2.6 (ISK).16 16 29 50 8? 11.32 S 75.86 W 33 N 0.4 5 CENTRAL PERU16 16 50 31.3% 37.113 N 4.474 W 16 G 6.4 7 SPAIN. mbLg 2.8 (MDD).16 17 22 52 6 8 566 S 121.945 E 17 D 5.0 1.4 50 FLORES REGION, INDONESIA16 17 56 01.8* 35.751 N 70.791 E 138 ? 4.5 0.5 8 HINDU KUSH REGION, AFGHANISTAN16 19 01 55.3? 13.98 N 94.13 W 33 N 4.1 1.7 5 OFF COAST OF CHIAPAS, MEXICO16 19 44 28.7? 8.82 S 122.04 E 33 N 4.2 0.8 6 FLORES REGION, INDONESIA16 19 51 51.1% 43.701 N 11.863 E 10 G 0.6 7 CENTRAL ITALY16 21 15 37.6% 32.438 S 66.848 W 33 N 1.18 SAN LUIS PROVINCE, ARGENTINA16 21 57 34.9% 43.692 N 11.858 E 10 G 0.4 8 CENTRAL ITALY16 22 31 40 3& 34.990 N 116.950 W 5 14 SOUTHERN CALIFORNIA. <PAS-P>. ML 3.4 (PAS), 3.0 (GS).16 22 57 54.3% 37.130 N 4.339 W 10 G 1.6 5 SPAIN16 22 58 18 9* 51.426 N 6.552 E 10 G 1.15 GERMANY16 22 59 26.9% 37.090 N 4.451 W 10 G 0.5 7 SPAIN. mbLg 2.7 (MDD).16 23 15 36.5% 37.142 N 4.488 W 10 G 0.8 7 SPAIN. mbLg 3.3 (MDD).16 23 21 35.6 6.595 N 126.904 E 66 * 4.8 0.7 17 MINDANAO. PHILIPPINE ISLANDS16 23 33 49 3% 37.138 N 4.488 W 10 G 0.6 6 SPAIN. mbLg 2.9 (MDD).16 23 35 00 9% 37 208 N 4.501 W 10 G 0.4 5 SPAIN. mbLg 2.8 (MDD).16 23 41 01.0% 37.176 N 4.480 W 10 G 0.4 7 SPAIN. mbLg 2.5 (MDD).16 23 49 31.3? 6.80 N 73.00 W 177 * 4.1 1.1 6 NORTHERN COLOMBIA17 00 14 10.6% 37.121 N 4.456 W 10 G 0.6 7 SPAIN. mbLg 3.0 (MDD).17 60 24 53.5 38 666 S 175.556 E 189 * 0.4 23 NORTH ISLAND, NEW ZEALAND17 00 38 15.e* 43.811 N 113.967 W 5 G 0.6 9 EASTERN IDAHO. ML 3.1 (BUT).17 02 05 51.5 39.154 N 28.182 E 10 G 1.0 16 TURKEY. MD 3.4 (ISK).17 02 07 41.3? 18.86 N 66.38 W 10 G 0.4 5 PUERTO RICO REGION17 03 28 03.9* 28.117 S 66.799 W 189 * 0.9 10 CATAMARCA PROVINCE, ARGENTINA17 64 01 17 5* 34.756 N 97.600 W 5 G 0.6 6 OKLAHOMA. mbLg 2 6 (GS).17 64 29 09.0? 43.91 N 137.30 E 372 ? 4.2 0.9 15 EASTERN SEA OF JAPAN17 04 50 27.7% 32.390 S 71.410 W 10 G 0.9 11 NEAR COAST OF CENTRAL CHILE. MD 3.7 (SAN).17 05 01 09.1% 37.172 N 4.482 W 10 G 0.4 7 SPAIN. mbLg 2.8 (MDD).17 05 04 06.8% 37.084 N 4.446 W 10 G 1.0 5 SPAIN17 65 04 57.4* 37.178 N 20.382 E 10 G 0.8 6 IONIAN SEA17 05 08 56.5% 37.139 N 4.485 W 10 G 0.4 7 SPAIN. mbLg 2.5 (MDD).17 05 11 03 4% 37.054 N 4.333 W 10 G 0.8 7 SPAIN. mbLg 2.5 (MDD).17 05 18 21.3* 42.168 N 145.243 E 33 N 4.4 1.3 16 HOKKAIDO. JAPAN REGION17 05 43 08.9* 51.598 N 6.809 E 10 G 1.3 5 GERMANY17 06 13 24.5? 38.58 S 175.20 E 268 ? 0.3 17 NORTH ISLAND. NEW ZEALAND17 07 18 04.2 34.744 N 97.581 W 5 G 0.8 11 OKLAHOMA. mbLg 3.6 (GS). 3.5 (TUL). Felt (IV) at

Lindsay and (III) at Elmare City. Felt in southern McClain and northern Garvin Counties.

17 07 55 09.0? 40 26 N 27.87 E 10 G 0.6 5 TURKEY. MD 3.0 (ISK).17 08 04 24.0* 26.758 S 177.264 W 222 * 4.2 0.9 15 SOUTH OF FIJI ISLANDS17 08 36 58.0? 7.29 N 76.55 W 33 N 4.2 1.5 9 NORTHERN COLOMBIA

o 17 09 19 18.8 18.386 N 105.478 W 33 N 5.1 4.9 1.3 124 OFF COAST OF JALlSCO. MEXICO17 10 07 47.3* 45.082 N 141.988 E 33 N 4.2 1.6 17 HOKKAIDO. JAPAN REGION

o 17 10 39 28.9 25.901 N 61.441 E 33 N 5 8 5.3 0.9 392 SOUTHERN IRAN17 11 09 48.6 14.020 N 91.830 W 33 49 4.7 1.1 108 GUATEMALA17 11 10 11.4% 39.163 N 27.535 E 16 G 6.8 6 TURKEY. MD 2.8 (ISK).17 11 17 07.2? 39.19 N 27.54 E 10 G 0.7 4 TURKEY. MD 2.7 (ISK).17 11 18 31.4 3.244 S 130.603 E 18 D 5.1 4.5 0.5 18 SERAM, INDONESIA17 12 30 14.6% 39 286 N 27.178 E 10 G 1.3 5 TURKEY. MD 2.8 (ISK).17 12 32 08.2? 38.48 N 73.32 E 33 N 4.8 1.1 9 TAJIKISTAN-XINJIANG BORDER REG.17 12 33 41.7? 13.43 N 92.18 W 33 N 4.1 1.4 14 OFF COAST OF CHIAPAS, MEXICO17 12 43 53.5 41.415 N 15.071 E 10 G 0.7 15 SOUTHERN ITALY17 13 09 44.8* 6.761 S 75.475 W 33 N 4.3 1 2 12 NORTHERN PERU17 13 12 20 0% 44.536 N 7.415 E 10 G 0.2 7 NORTHERN ITALY. ML 1.9 (GEN).

PAGE 11 DEC 1992

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IRIAN JAVA REGION, INDONESIAALBANIA. ML 3.1 (TTG), 3.1 (SKO), 2.8 (TIR).FLORES REGION, INDONESIASOUTHERN NORWAY. MD 1.7 (BER).TURKEY. MD 2.8 (ISK).SOUTH OF FIJI ISLANDSGREECE-ALBANIA BORDER REGIONGREECE-ALBANIA BORDER REGIONSOUTHERN ALASKA. <AEIC>.KURIL ISLANDSSWEDEN. MD 3.2 (BER).DODECANESE ISLANDS. MD 3.4 (ISK).ALBANIA. ML 2.6 (TTG), 2.5 (TIR), 2.3 (SKO).IRIAN JAYA, INDONESIASOUTHERN CALIFORNIA. <PAS-P>. ML 2.9 (PAS).AFGHANISTAN-TAJIKISTAN BORD REG. Felt ot Peshowor,Pok i s ton.NEAR SOUTH COAST OF AUSTRALIA. ML 3.5 (BFD).TONGA ISLANDSFLORES REGION, INDONESIA. Felt (l) ot Woingopu, Sumbo.SICILYMENDOZA PROVINCE, ARGENTINA. MD 3.5 (SAN).SPAIN. mbLg 2.4 (MDD).LEEWARD ISLANDS. ML 2.8 (FDF).FRANCE. ML 2.4 (LOG).FLORES REGION, INDONESIAFLORES REGION, INDONESIAALBANIA. ML 1.8 (TTG).NORTHWESTERN BALKAN REGION. ML 1.6 (TTG).GERMANY. ML 2.9 (STR), 2.8 (BNS). MD 2.4 (UCC).LEEWARD ISLANDS. ML 2.4 (FDF).PYRENEES. ML 2.6 (LDG).NORTHERN ITALY. ML 2.1 (GEN).HINDU KUSH REGION. AFGHANISTANFIJI ISLANDS REGIONKENAI PENINSULA, ALASKA. <AEIC>. ML 2.7 (AEIC).SPAIN. mbLg 2.7 (MDD).SOUTHEASTERN ALASKA. <AEIC>. ML 2.9 (AEIC), 2.8 (PGC).WESTERN HONSHU, JAPANSOUTH SANDWICH ISLANDS REGIONFRANCE. ML 2.9 (LDG).EASTERN NEW GUINEA REG., P.N.G. ML 6.1 (PMG). Someminor domoge (VI) ot Loe. Felt (III) ot Finschhofen ondGoroko.OFF EAST COAST OF HONSHU. JAPANNEAR N COAST OF NEW GUINEA, PNG.FOX ISLANDS. ALEUTIAN ISLANDSEASTERN NEW GUINEA REG., P.N.G.NEAR COAST OF CENTRAL CHILE. MD 4.7 (SAN).ANDREANOF ISLANDS. ALEUTIAN IS.EASTERN NEW GUiNEA REG., P.N.G. ML 4.1 (PMG).NEAR SOUTH COAST OF FRANCE. ML 2.8 (STR).GREECEGREECECHILE-ARGENTINA BORDER REGION. MD 3.5 (SAN).GREECENORTHWESTERN BALKAN REGION. ML 2.6 (SKO).UTAH <SLC-P>. ML 3.4 (SLC). Felt (III) ot Helper.NORTHERN COLOMBIAYUNNAN, CHINA. One person killed, 45 injured ondseverol houses domoged in Yongsheng County.GREECEREPUBLIC OF SOUTH AFRICA. ML 3.3 (PRE). mbLg 3.3 (BUL).BULGARIA. MD 2.6 (ISK) .KERGUELEN ISLANDS REGIONDODECANESE ISLANDS. ML 3.8 (CSS).SOUTHERN ALASKA. <AEIC>. ML 2.7 (AElC).EASTERN NEW GUINEA REG., P.N.G ML 4.1 (PMG).FLORES REGION. INDONESIACHIAPAS, MEXICODODECANESE ISLANDS. MD 3.2 (ISK).NEAR COAST OF MICHOACAN, MEXICOEASTERN NEW GUINEA REG., P.N.G. ML 4.2 (PMG).NORTHERN ITALYNORTHERN COLOMBIATIMOR REGION, INDONESIACHILE-ARGENTINA BORDER REGION. MD 3.4 (SAN).NORTH ISLAND, NEW ZEALANDAEGEAN SEARAT ISLANDS, ALEUTIAN ISLANDSTURKEYRYUKYU ISLANDSSPA I NFRANCE. ML 2.3 (GEN), 2.3 (LDG).MINDANAO, PHILIPPINE ISLANDSALBANIA. ML 2.3 (TTG), 1.9 (TIR).ALBANIA. ML 2.8 (TTG), 2.6 (TIR), 2.5 (SKO).WINDWARD ISLANDS. ML 2.4 (FDF).SANTA CRUZ ISLANDS. Mo-2 . 5» 1 0* * 1 8 Ntn (PPT).FRANCE. ML 2.8 (LDG), 2.7 (GEN), 2.3 (STR).LA RIOJA PROVINCE, ARGENTINASOUTHERN XINJIANG, CHINANORTHWESTERN BALKAN REGION. ML 4.8 (ZAG), 4.6 (VIE),

DEC 1992 PAGE 12

4.3 (TIR). MD 4.7 (TRI). Felt (VI) ot Timisooro,Romon i o.

19 10 17 25.3% 44.032 N 7.662 E 10 G 0.1 6 NORTHERN ITALY. ML 1.9 (GEN). 19 10 36 23.8* 6.542 S 147.268 E 51 4.5 0.7 14 EASTERN NEW GUINEA REG.. P.N.G. 19 10 44 14.0 8.300 S 122.629 E 33 N 4.9 1.3 29 FLORES REGION, INDONESIA19 11 25 37.2? 6.67 S 147.32 E 33 N 3.9 1.5 5 EASTERN NEW GUINEA REG.. P.N.G. ML 4.2 (PMG). 19 11 48 50.6? 37.90 N 26.79 E 10 G 1.4 7 DODECANESE ISLANDS. MD 3.3 (ISK).

f 19 12 14 22.0 51.906 N 158.411 E 53 G 6.1 0.9 597 NEAR EAST COAST OF KAMCHATKA. Mo-1 .3*10** 18 Nm (PPT).Felt (IV) ot PetropovIovsk-Komchotskiy ondSevero-KuriIsk. Two events about 1.2 seconds opart.Depth from broadband displacement seismogroms, based onfirst event.

19 12 42 46.2 38.838 N 26.724 E 10 G 1.3 33 AEGEAN SEA. MD 3.7 (ATH). 19 12 45 27.3* 25.931 N 124.201 E 206 * 4.5 0.9 20 NORTHEAST OF TAIWAN19 13 03 48.3 42.758 N 19.154 E 10 G 0.4 8 NORTHWESTERN BALKAN REGION. ML 1.6 (TTG). 19 14 01 23.3 41.067 N 22.772 E 10 G 0.3 7 NORTHWESTERN BALKAN REGION. ML 1.3 (SKO). 19 16 24 38.34 34.550 N 116.548 W 0 12 SOUTHERN CALIFORNIA. <PAS-P>. ML 3.0 (PAS). 19 16 35 50.54 50.985 N 131.173 W 10 G 8 VANCOUVER ISLAND REGION. <PGC-P>. ML 3.7 (PGC). 19 16 53 07.6? 6.88 N 73.17 W 152 * 3.6 1.6 6 NORTHERN COLOMBIA 19 17 10 20.1* 19.380 N 64.724 W 33 N 3.4 0.5 10 VIRGIN ISLANDS19 17 39 02.2% 60.400 N 4.984 E 10 G 0.5 6 SOUTHERN NORWAY. MD 1.3 (BER). 19 18 35 51.5* 62.111 N 150.802 W 57 47 CENTRAL ALASKA. <AEIC>. ML 2.8 (AElC). Felt (IV) ot

Skwentna.19 18 55 27.1? 18.88 N 67.14 W 33 N 0.4 6 MONA PASSAGE19 19 54 28.9% 37.891 N 26.725 E 10 G 0.7 6 DODECANESE ISLANDS. MD 3.2 (ISK). 19 19 56 14.2* 37.500 N 71.768 E 33 N 3.8 1.3 9 AFGHANISTAN-TAJIKISTAN BORD REG. 19 20 20 19.7? 16.27 N 96.57 W 10 G 1.7 6 OAXACA, MEXICO 19 21 45 12.7? 30.48 S 116.51 E 10 G 0.1 4 WESTERN AUSTRALIA

o 19 21 57 21.5 0.023 N 123.620 E 127 D 5.5 1.1 209 MINAHASSA PENINSULA, SULAWESI 19 22 01 39.8 19.126 S 69.423 W 138 * 4.8 1.3 17 NORTHERN CHILE 19 22 22 16.6 39.171 N 22.045 E 10 G 0.8 13 GREECE 19 22 43 57.4* 7.541 S 127.504 E 33 N 0.5 8 BANDA SEA19 23 29 35.9% 40.117 N 24.245 E 10 G 0.8 6 AEGEAN SEA20 00 08 56.0 18.572 S 175.538 W 263 D 5.2 1.3 78 TONGA ISLANDS20 01 52 11.3% 37.135 N 2.658 * 10 G 1.0 5 SPAIN. mbLg 2.4 (MDD).20 02 49 58.1 50.531 N 155.511 E 137 D 4.5 0.9 74 KURIL ISLANDS20 03 49 07.2 38.188 N 20.396 E 10 G 1.1 38 GREECE. MD 3.7 (ATH). ML 3.6 (TlR).20 03 49 46.7? 2.55 S 133.80 E 33 N 5.1 1.1 15 IRI AN JAYA REGION, INDONESIA20 03 58 04.1 8.126 S 122.408 E 23 D 5.2 1.2 75 FLORES REGION, INDONESIA20 05 15 52.8? 15.28 S 165.67 E 33 N 4.5 1.5 6 VANUATU ISLANDS20 05 19 10.4 47.908 N 154.613 E 33 D 5.2 1.0 171 KURIL ISLANDS20 05 20 05.3 42.325 N 18.817 E 10 G 0.6 8 NORTHWESTERN BALKAN REGION. ML 2.5 (TTG).20 05 29 16.4% 32.109 S 67.863 W 33 N 1.3 8 MENDOZA PROVINCE. ARGENTINA20 65 45 23.24 37.585 N 118.882 W 2 22 CALIFORNIA-NEVADA BORDER REGION. <BRK>. ML 3.0 (BRK).20 08 18 55.6% 44 566 N 6.845 E 10 G 0.4 8 FRANCE. ML 2.3 (GEN).20 08 32 34.2* 27.964 S 26.699 E 5 G 1.3 7 REPUBLIC OF SOUTH AFRICA. ML 3.2 (PRE). mbLg 3.2 (BUL).20 08 43 32.3? 31.68 S 67.92 W 33 N 0.8 5 SAN JUAN PROVINCE, ARGENTINA20 09 07 13.4% 37.663 N 2.329 W 10 G 0.9 6 SPAIN. mbLg 2.7 (MDD).20 09 31 18.4% 40.129 N 23.634 E 10 G 0.7 6 GREECE20 09 36 44.8* 36.398 N 121 022 W 9 18 CENTRAL CALIFORNIA. <BRK>. ML 2.7 (BRK), 2.7 (PAS).20 09 57 29.0* 37.228 N 21.697 E 33 N 1.5 16 SOUTHERN GREECE. MD 3.4 (ATH).20 09 57 35.7? 15.49 N 60.97 W 33 N 0.4 5 LEEWARD ISLANDS. ML 2.7 (FDF).20 10 37 19.6* 36.078 N 43.896 E 33 N 4.4 1.5 17 iRAO20 11 08 20.2 40.043 N 24.698 E 10 G 1.1 19 AEGEAN SEA MD 3.6 (ISK), 3.4 (ATH).20 11 14 28.2? 6.63 S 147.23 E 33 N 4.2 0.8 6 fASTERN NEW GUINEA REG., P.N.G. ML 4.1 (PMG).20 11 47 24.0 36.443 N 71.168 E 47 * 4.6 1.1 39 AFGHANISTAN-TAJIKISTAN BORD REG.20 12 45 25.2 40.084 N 24.769 E 10 G 0.7 14 AEGEAN SEA. MD 3.5 (ISK).20 13 01 31.8? 39.72 N 28.43 E 10 G 0.7 4 TURKEY. MD 2.6 (ISK).20 13 05 20.9 40.029 N 24.832 E 10 G 0.8 12 AEGEAN SEA20 14 26 34.2? 18.19 N 99.96 W 65 ? 0.2 5 GUERRERO. MEXICO20 14 29 59.0? 39.80 N 30.47 E 10 G 0.9 4 TURKEY. MD 2.6 (ISK).20 14 44 00.9* 8.547 S 122.215 E 33 N 4.3 1.3 12 FLORES REGION. INDONESIA20 15 02 37.4? 20.10 S 169.69 E 33 N 4.9 0.8 6 VANUATU ISLANDS20 15 34 18.6 40.055 N 24 806 E 10 G 0.6 14 AEGEAN SEA MD 3.6 (ISK).20 16 11 06.8* 37.042 N 29.473 E 10 G 0.3 5 TURKEY. MD 3.0 (ISK).20 16 23 20.3* 14.807 S 176.930 W 16 D 5.0 1.3 62 FIJI ISLANDS REGION

o 20 16 38 46.3 25 684 S 179.561 E 499 D 5.4 1.0 246 SOUTH OF FIJI ISLANDS20 17 14 07.5? 37.04 N 5.50 W 10 G 1.3 4 SPAIN. mbLg 2.7 (MDD).20 17 56 53.6 37.269 N 21.578 E 42 * 4.0 1.0 34 SOUTHERN GREECE. MD 3.7 (ATH).20 18 26 13.7 38.355 N 22.310 E 10 G 0.9 14 GREECE MD 3.1 (ATH).20 18 47 16.9% 39.198 N 28.718 E 10 G 1.1 8 TURKEY. MD 2.9 (ISK).20 19 37 47.0 37.062 N 96.483 E 21 D 5.0 4.3 1.1 81 OINGHAI, CHINA. ML 5.5 (BJI).

f 20 20 52 47.2 6.582 S 130.393 E 78 G 6.6 7.0 1.2 602 BANDA SEA. Ms 7.0 (BRK). Mo-1.3*10**20 Nm (PPT). Feltin parts of northern Australia. Two events about 5.3 seconds apart. Depth from broadband displacement seismogroms, based an first event.

20 21 05 21.2* 37.745 N 122.143 W 3 30 CENTRAL CALIFORNIA. <BRK>. ML 3.7 (BRK), 3.7 (GS). Thisearthquake was felt throughout much of the San Francisco Bay area ond caused minor damage in the area near the epicenter. Felt (V) ot Son Lorenza; (IV) at Dublin, Fremont, Millbrae and Oakland; (III) ot Canyon and San Matea.

20 21 19 16.6 6.544 S 130.424 E 33 N 5.3 1.1 45 BANDA SEA20 21 48 18.2% 38.384 N 16.104 E 10 G 0.4 11 SOUTHERN ITALY20 21 57 59.9. 6.192 S 130.930 E 33 N 4.6 1.4 13 BANDA SEA20 22 27 21.5* 6.654 S 130.781 E 33 N 4.8 1.7 18 BANDA SEA20 22 33 46.3* 6.551 S 130.500 E 33 N 5.1 1.2 26 BANDA SEA20 22 37 46.2% 44.306 N 7.424 E 10 G 0.4 6 NORTHERN ITALY. ML 1.9 (GEN).20 23 18 58.5? 46.44 N 2.62 E 10 G 0.1 4 FRANCE ML 1.2 (LOG).20 23 52 37.8* 63.484 N 151.211 W 10 41 CENTRAL ALASKA. <AEIO. ML 2.7 (AElC).21 00 02 15.3? 22.95 S 178.66 W 542 ? 5.3 0.9 9 SOUTH OF FIJI ISLANDS21 01 18 09.6? 37.53 S 176.12 E 267 ? 0.4 11 NORTH ISLAND, NEW ZEALAND21 02 09 33.4% 46.098 N 2.819 W 10 G 0.8 14 BAY OF BISCAY. ML 3.0 (LOG).

PAGE 13 DEC 1992

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NORTHERN ITALYSOUTH OF JAWA, INDONESIATANIMBAR ISLANDS REG., INDONESIAAEGEAN SEASAN JUAN PROVINCE, ARGENTINA. MD 3.6 (SAN).NEAR COAST OF CENTRAL CHILE. MD 3.5 (SAN).RAT ISLANDS, ALEUTIAN ISLANDS. Felt (V) on Amchitko and(III) on Adak.FRANCE. ML 1.7 (LOG), 1.7 (STR).NEAR COAST OF CENTRAL CHILE. MD 3.9 (SAN).WINDWARD ISLANDS. MD 3.1 (TRN).COOK STRAIT, NEW ZEALANDSTRAIT OF GIBRALTAR. mbLg 3.9 (MDD). Felt (III) in theChafarinas Islands, Spain.GREECEBANDA SEATURKEY. MD 2.7 (ISK).TURKEY. MD 2.7 ( ISK).KERMADEC ISLANDS, NEW ZEALANDSTRAIT OF GIBRALTARSOUTHERN CALIFORNIA. <PAS-P>. ML 4.0 (PAS), 3.7 (GS).Felt (V) at Yucco Valley and (Ml) at Beaumont,Highland and Pianeertawn.NEAR COAST OF CENTRAL CHILE. MD 3.5 (SAN).BULGARIATURKEY. MD 2.7 ( ISK) .FRANCE. ML 1.4 (GEN).SOUTHERN CALIFORNIA. <PAS-P>. ML 3.5 (PAS), 3.1 (GS).Fel t .TAIWAN REGIONJUJUY PROVINCE, ARGENTINANORTHERN CHILEAFGHANISTAN-TAJIKISTAN BORD REG.TURKEY. MD 2.7 (ISK).SUMBAWA REGION. INDONESIANEAR SOUTH COAST OF FRANCE.NEAR COAST OF CENTRAL CHILE.JUJUY PROVINCE, ARGENTINARYUKYU ISLANDSAEGEAN SEA. MD 3.3 (ISK).FLORES SEALEEWARD ISLANDS. ML 2.9 (FDF).NORTHERN ITALY. MD 3.0 (FIR).NORTHERN ITALY. MD 2.9 (FIR).KURIL ISLANDSSOUTHERN CALIFORNIA. <PAS-P> ML 3 0 (PAS).NEAR COAST OF CENTRAL CHILE MD 4.3 (SAN). Felt (III)at Santiago. Also felt at Quilloto, Olmue, SontoDamingo and El Taba.GERMANY. ML 2.5 (STR).AEGEAN SEAALASKA PENINSULA. <AEIC>.TURKEY. MD 3.3 (ISK).SOUTHERN ALASKA. <AEIC>. ML 2.6 (AEIC).MENDOZA PROVINCE, ARGENTINA. MD 3.9 (SAN).TIMOR REGION. INDONESIATUN IS I ASAN JUAN PROVINCE, ARGENTINAMYANMAR-INDIA BORDER REGIONSPAIN. mbLg 3.0 (MDD).OFF E. COAST OF N. ISLAND, N.Z.SERAM, INDONESIABANDA SEACENTRAL CALIFORNIA. <PAS-P>. ML 3.2 (PAS). 2.8 (GS).NEAR EAST COAST OF KAMCHATKAGREECETIMOR REGION, INDONESIAYUNNAN, CHINA. ML 5.0 (BJI).CORSICA. ML 2.2 (GEN).NEAR COAST OF VENEZUELA. MD 3.7 (TRN).CORSICA. ML 2.1 (GEN).CORSICA. ML 2-4 (GEN).BANDA SEA. Depth from broadband displacementse i smog ' oms.UTAH. <SLC-P>. ML 3.2 (SLC).SOUTHERN ALASKA. <AElC>.CENTRAL ALASKA. <AEIC>.OFF COAST OF CENTRAL CHILE. MD 3.6 (SAN).NORTH ISLAND. NEW ZEALANDGREECETURKEY. MD 2.7 ( ISK).NEAR COAST OF CENTRAL CHILE. MD 3.2 (SAN).HOKKAIDO, JAPAN REGIONGREECESAN JUAN PROVINCE. ARGENTINAIRIAN JAYA REGION. INDONESIAETHIOPIA. MD 4.3 (ARO).NEAR COAST OF CENTRAL CHILE. MD 3.4 (SAN). .ANDREANOF ISLANDS, ALEUTIAN IS. F«It (IV) an Adak.BANDA SEASOLOMON ISLANDSGREECE-BULGARIA BORDER REGIONSOUTHERN XINJIANG, CHINA

DEC 1992 PAGE 14

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(GS).

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Cuya ,(III) at

Morio Eleno, Chile. Some landslides reported along the

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Connandonte San Martin Coastal Highway, Chile.TURKEY . MD 2.7 ( I SK ) .TURKEY. MD 2.9 ( ISK) .BANDA SEA. Felt (HI) at Saumlaki, Indonesia.TURKEY. MD 3.3 ( ISK) .TURKEYCHILE-ARGENTINA BORDER REGION. MD 3.5 (SAN).AEGEAN SEA. MD 3.4 ( ISK) .TURKEY. MD 3.2 ( I SK) .HOKKAIDO, JAPAN REGIONCENTRAL ITALY. ML 2.8 (VIE).BANDA SEAMINAHASSA PENINSULA. SULAWESIWINDWARD ISLANDS. ML 2.3 (FDF).SAN JUAN PROVINCE, ARGENTINACOSTA RICASOUTH OF ALEUTIAN ISLANDSMONA PASSAGENEAR N COAST OF NEW GUINEA, PNG.NEAR SOUTH COAST OF FRANCESOLOMON ISLANDSNORTHWESTERN BALKAN REGION. ML 1.7 (TTG).CENTRAL CALIFORNIA. <PAS-P> . ML 2.8 (PAS).GREECESICILYTURKEY. MD 3.0 (ISK).NAMI 8 1 ASlCI LYNORTHERN CHILEGREECENORTHWESTERN BALKAN REGION. ML 2.2 (SKO).SOUTHERN CALIFORNIA. <PAS-P>. ML 3.1 (PAS). 3.1Fel t (IV) at Lake Hughes.SOUTH SANDWICH ISLANDS REGIONCALIFORNIA-NEVADA BORDER REGION. <GM-P>. MD 2.9NORTHERN ITALY. ML 2.6 (GEN), 2.5 (LOG).SOUTHERN NORWAY. MD 2.0 (BER).MARIANA ISLANDSCALIFORNIA-NEVADA BORDER REGION. <PAS-P>. MD 3.1ML 3 8 (BRK), 3.0 (GS) .NORTH ISLAND, NEW ZEALANDNEW IRELAND REGION, P.N.G.SOUTHERN CALIFORNIA. <PAS-P>. ML 2.8 (PAS).SAN JUAN PROVINCE, ARGENTINATURKEY. MD 2.7 ( ISK) .ETHIOPIA. MD 3.9 (ARO) .TA !WANGREECE-ALBANIA BORDER REGIONETHIOPIA. MD 3.9 (ARO) .OFF COAST OF OREGONROMANIA. ML 3.6 (TTG). Felt at Timisaara.POLAND

(GS).

(GM).

1 (PAS).

PAGE 15 DEC 1992

23 22 33 27.3* 43.243 N 4.436 E 10 G 0911 NEAR SOUTH COAST OF FRANCE. ML 2.6 (LOG), 2.1 (STR).23 22 44 47.5% 16.515 N 61.178 W 81 0.2 11 LEEWARD ISLANDS23 23 01 51.0 39.320 N 28.737 E 10 G 1.4 19 TURKEY. MD 3.5 (ISK).23 23 22 48.7» 23.287 N 64.096 E 33 N 4.9 0.9 12 OFF COAST OF PAKISTAN24 00 03 33.3 2.549 N 126.581 E 97 D 5.6 1.2 151 NORTHERN MOLUCCA SEA24 00 22 53.1 2.955 S 130.296 E 60 D 5.2 0.9 50 SERAM. INDONESIA24 00 25 44.6 38.075 N 22.947 E 10 G 3.8 1.2 46 GREECE. MD 3.7 (ATH).24 00 34 13.8 15.293 S 173.128 W 23 G 5.9 6.4 1.1 339 TONGA ISLANDS. Ms 6.4 (BRK). Depth from broodbond

dispIocement seismog rams.24 01 12 01.1* 22.822 S 69.023 W 33 N 0.0 5 NORTHERN CHILE24 02 56 49.4 40.670 N 22.463 E 5 G 0.4 10 GREECE24 03 11 46.7% 39.122 N 27.323 E 10 G 1.0 5 TURKEY. MD 2.7 (ISK).24 03 19 57.9» 38.060 N 26.806 E 10 G 1.1 9 AEGEAN SEA. MD 3.4 (ISK).24 03 31 07.1% 18.660 N 67.324 W 29 0.4 7 MONA PASSAGE24 03 53 37.3* 5.547 S 144.072 E 65 ? 4.3 1.4 7 NEW GUINEA, PAPUA NEW GUINEA24 04 33 22.0 22.241 S 173.837 E 21 D 4.9 4.5 1.0 54 LOYALTY ISLANDS REGION24 04 44 51.54 60.698 N 142.856 W 7 26 SOUTHERN ALASKA. <AEIC>. ML 2.6 (AEIC).24 04 45 48.3* 8.454 S 122.195 E 33 N 4.5 1.4 10 FLORES REGION. INDONESIA. Felt in the Moumere oreo.24 04 54 46.5* 31.179 S 68.666 W 125 ? 0.8 10 SAN JUAN PROVINCE, ARGENTINA24 05 00 47.44 34.409 N 116.481 W 4 9 SOUTHERN CALIFORNIA. <PAS-P>. ML 2.8 (PAS).24 05 09 47.4 42.221 N 72.225 E 38 D 5.2 5.0 1.2 230 KYRGYZSTAN. Felt (IV) at Toktogul, Koro-Kul ond Tolos;

(III) ot Bishkek. Felt (IV) ot Dzhombul ond (II) otChimkent, Kozokhston.

24 05 20 10.6? 39.24 N 28.73 E 10 G 1.2 4 TURKEY. MD 2.8 (ISK).24 05 53 37.2* 20.332 S 177.730 W 513 * 5.0 1.2 31 FIJI ISLANDS REGION24 06 10 12.6% 44.116 N 11.215 E 10 G 0.5 6 NORTHERN ITALY24 06 13 20.7 31.623 S 67.870 W 11 1.1 18 SAN JUAN PROVINCE, ARGENTINA24 06 49 27.3? 39.27 N 28.68 E 10 G 1.4 4 TURKEY. MD 2.8 (ISK).24 07 15 07.2» 19.955 S 167.979 E 33 N 4.5 1.2 23 VANUATU ISLANDS REGION24 07 28 44.84 63.125 N 150.375 W 111 51 CENTRAL ALASKA. <AEIC>.24 07 33 23.9? 37.28 S 176.33 E 190 G 0.7 11 NORTH ISLAND, NEW ZEALAND24 09 25 07.44 35.023 N 116.924 W 6 17 CENTRAL CALIFORNIA. <PAS-P>. ML 3.4 (PAS), 3.1 (GS).24 09 33 52.64 61.411 N 148.518 W 33 48 SOUTHERN ALASKA. <AEIC>. ML 2.8 (AEIC).24 11 31 47.8» 39.936 N 19.639 E 10 G 1.4 15 GREECE-ALBANIA BORDER REGION. MD 3.1 (ATH). ML 3.0

(TIR).24 12 08 17.0? 39.26 N 28.72 E 10 G 0.9 4 TURKEY. MD 2.6 (ISK).24 13 03 25.8 39.245 N 28.744 E 10 G 0.9 16 TURKEY. MD 3.3 (ISK).24 14 11 11.1% 31.605 S 67.927 W 10 G 0.9 5 SAN JUAN PROVINCE, ARGENTINA24 14 23 06.1 17.599 N 100.580 W 91 4.2 1.0 31 GUERRERO. MEXICO24 14 31 48.7? 17.14 N 99.53 W 33 N 0.1 4 GUERRERO, MEXICO24 14 57 53.7 44.705 N 6.827 E 10 G 0.5 15 FRANCE. ML 2.4 (LDG), 2.1 (GEN).24 15 01 29.5 39.832 N 24.472 E 10 G 0.5 10 AEGEAN SEA24 15 41 01.2? 28.09 S 68.98 W 120 G 0.5 6 LA RlOJA PROVINCE, ARGENTINA24 15 53 44.2» 41.972 N 22.203 E 5 G 1.4 7 NORTHWESTERN BALKAN REGION. ML 2.3 (SKO).24 15 56 35.4% 33.143 S 70.290 W 10 G 0.4 10 CHILE-ARGENTINA BORDER REGION. MD 3.7 (SAN).24 15 58 30.7% 39.245 N 28.772 E 10 G 0.8 12 TURKEY. MD 3.1 (ISK).24 16 45 49.34 35.756 N 117.602 W 5 13 CENTRAL CALIFORNIA. <PAS-P>. ML 2.8 (PAS). Multiple

event.24 17 08 48.1 35.760 N 80.605 E 33 N 4.8 4.4 1.1 84 KASHMIR-XIZANG BORDER REGION24 17 30 13.9? 45.97 N 26.39 E 56 ? 1.5 5 ROMANIA24 18 03 54.1 39.800 N 24.493 E 5 G 0.4 11 AEGEAN SEA24 18 25 40.0 7.306 N 76.691 W 33 N 4.6 0.7 11 NORTHERN COLOMBIA. MD 4.5 (UPA).24 18 32 55.7% 39.297 N 28.800 E 10 G 0.8 7 TURKEY. MD 3.0 (ISK).24 18 50 48.2 16.750 N 98.995 W 21 D 4.8 0.9 63 NEAR COAST OF GUERRERO, MEXICO24 19 01 25.3 17.021 N 98.986 W 33 N 4.5 1 2 55 GUERRERO, MEXICO24 19 17 42.94 34.094 N 116.839 W 6 8 SOUTHERN CALIFORNIA. <PAS-P>. ML 2.9 (PAS).24 19 21 18.5* 15.274 N 121.973 E 93 4.3 0.9 6 LUZON. PHILIPPINE ISLANDS24 19 58 13.9% 33.425 S 70.226 W 101 ? 0.2 10 CHILE-ARGENTINA BORDER REGION. MD 3.7 (SAN).24 20 03 01 5 11 569 S 166.563 E 145 * 5.1 08 71 SANTA CRUZ ISLANDS24 20 22 58.5» 28.362 S 70.486 W 229 ? 0.7 9 CENTRAL CHILE24 20 56 34.1 41.996 N 20.710 E 10 G 0.8 10 ALBANIA. ML 2.4 (TTG).24 21 02 22.5* 15.255 N 122.257 E 38 4.3 1.2 14 PHILIPPINE ISLANDS REGION24 21 27 55 3% 44 095 N 11.197 E 10 G 0.5 6 NORTHERN ITALY24 21 36 27.2? 44.41 N 6.73 E 10 G 0.1 4 FRANCE. ML 1.7 (GEN).24 21 40 38.6% 44.083 N 11.186 E 10 G 0.4 5 NORTHERN ITALY24 22 02 05 0 16 385 S 178.239 E 10 G 4.9 4.8 0.9 49 FIJI ISLANDS. ML 4.8 (SVA). Felt in the Mbuo oreo,

Vonuo Levu.24 22 07 29.14 59.720 N 154.312 W 182 3.1 52 SOUTHERN ALASKA. <AEIC>.24 22 20 36.1 6.743 N 72.852 W 171 4.8 1.0 21 NORTHERN COLOMBIA24 22 48 32.5* 16.289 S 178.235 E 10 G 4.7 4.3 1.1 12 FIJI ISLANDS24 22 56 37.5% 42.844 N 13.082 E 5 G 0.8 6 CENTRAL ITALY24 23 09 35.6 40.188 S 173.489 E 222 0.3 27 COOK STRAIT, NEW ZEALAND24 23 20 18.8 7.026 S 122.970 E 33 N 4.7 4.3 1.1 27 FLORES SEA24 23 28 10.8 31.950 S 67.793 W 10 G 0.6 5 SAN JUAN PROVINCE, ARGENTINA24 23 41 13.4% 44.050 N 11.171 E 10 G 0.5 6 NORTHERN ITALY25 00 28 46.8* 5.908 S 146.490 E 142 4.6 0.8 6 EASTERN NEW GUINEA REG., P.N.G.25 00 45 13.6* 0.916 N 28.802 W 10 G 4.6 0.8 27 CENTRAL MID-ATLANTIC RIDGE25 01 03 32.7 32.265 S 67.634 W 5 G 0.7 8 MENDOZA PROVINCE, ARGENTINA25 01 35 37.0% 39.248 N 28.765 E 5 G 0.5 8 TURKEY. MD 3.0 (ISK).25 02 06 10.4* 37.009 S 176.910 E 289 * 0.7 39 NORTH ISLAND, NEW ZEALAND25 02 10 53.1% 44.045 N 11.180 E 10 G 0.4 6 NORTHERN ITALY25 02 25 51.4 37.242 N 28.193 E 5 G 1.2 10 TURKEY. MD 3.9 (ATH), 3.7 (ISK). ML 3.9 (CSS).25 02 26 38.0? 24.87 N 123.32 E 125 ? 3.7 0.2 8 SOUTHWESTERN RYUKYU ISLANDS25 02 37 09.0? 44.03 N 11.15 E 10 G 0.2 4 NORTHERN ITALY25 02 37 14.5 40.007 N 28.740 E 10 G 0.8 14 TURKEY. MD 3.3 (ISK).25 03 01 56.9* 8.807 S 122.070 E 106 4.6 0.9 14 FLORES REGION, INDONESIA. Felt in the Maumere oreo.25 03 04 14.6% 44.038 N 11.171 E 10 G 0.6 6 NORTHERN ITALY25 03 35 07.44 35.917 N 120.520 W 9 28 CENTRAL CALIFORNIA. <BRK>. ML 3.2 (BRK), 3.1 (PAS), 3.0

(GS).25 03 43 09.5 46.379 N 11 226 E 10 G 1.0 15 NORTHERN ITALY. ML 2.9 (VIE).25 03 48 32.0* 20.743 S 169.404 E 37 4.3 1.2 13 VANUATU ISLANDS25 03 54 01.2% 37.487 N 28.351 E 10 G 0.7 8 TURKEY. MD 3.4 (ISK).25 04 25 09.64 39.955 N 120.642 W 16 49 NORTHERN CALIFORNIA. <BRK>. ML 4.2 (8RK). Felt (V) Ot

DEC 1992 PAGE 16

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PAGE 17 DEC 1992

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VANCOUVER ISLAND REGION. <PGC-P>. ML 3.3 (PGC).SOUTH OF KERMADEC ISLANDSSOUTH OF KERMADEC ISLANDSSOUTH OF KERMADEC ISLANDSCENTRAL MID-ATLANTIC RIDGETURKEY. MD 3.3 ( I SK).BRITISH COLUMBIA, CANADA. <PGC-P>. ML 4.0 (PGC). Felt(V) ot Fort St. John.AEGEAN SEACENTRAL ALASKA. <AEIC>. ML 2.6 (AEIC).OFF COAST OF OREGON. ML 5.5 (BRK).NEAR S. COAST OF HONSHU, JAPANCHILE-ARGENTINA BORDER REGION. MD 3.9 (SAN).CENTRAL CALIFORNIA. <BRK>. ML 2.9 (BRK), 3.1 (GS). Felt(III) ot Poc i f i c Grove.SOUTHERN CALIFORNIA. <PAS-P>. ML 3.8 (PAS), 3.6 (GS).Felt (IV) ot Fownskin ond (III) ot Highlond. Also feltot Big Bear City.ECUADORRUSSIA-MONGOLIA BORDER REGIONTURKEY. MD 2.9 ( I SK ) .CENTRAL MID-ATLANTIC RIDGEEASTERN HONSHU, JAPANOAXACA, MEXICOALBANIA. ML 2.3 (TTG).SOUTHERN CALIFORNIA. <PAS-P>. ML 2.8 (PAS).CHILE-ARGENTINA BORDER REGION. MD 3.7 (SAN).TURKEY. MD 2.8 ( I SJ< ) .TURKEY. MD 2.8 (ISK).NICOBAR ISLANDS, INDIANORTH ISLAND, NEW ZEALANDSOUTHERN ALASKA. <AEIC>. ML 3.2 (AEIC), 3.4 (PMR).MARIANA ISLANDSOFF COAST OF CHIAPAS, MEXICOOFF COAST OF CENTRAL CHILE. MD 3.7 (SAN).OFF COAST OF CENTRAL CHILE MD 3.7 (SAN).OFF COAST OF CENTRAL CHILE. MD 3.7 (SAN).TURKEY. MD 3.4 (ISK).GREECEWINDWARD ISLANDS. MD 3.3 (TRN).TURKEY. MD 2.7 (ISK).CAPE GIRARDEAU, MISSOURI REGION. <SLM-P>. MD 3.2(SLM). mbLg 3.2 (GS), 3.2 (TUL). Felt (IV) ot Ook Ridgeond Pocohontos; (III) ot Altenburg, Brozeou, Frohno,Gordonville, Jackson, Old Appleton, Perryville ondUnion town. Also felt in the Cope Girordeou area. Felt(IV) ot Anno ond Wolf Loke, Illinois.CAPE GIRARDEAU, MISSOURI REGION. <SLM-P>. MD 2.7(SLM).CHILE-ARGENTINA BORDER REGION. MD 3.7 (SAN).OFF COAST OF NORTHERN CALIFORNIA. ML 4.3 (BRK).TIMOR REGION, INDONESIAICELAND REGIONSOUTHEASTERN CHINA. ML 3.6 (BJI).CENTRAL ALASKA. <AEIC>. ML 2.5 (AEIC).OFF COAST OF NORTHERN CALIFORNIA. ML 4.0 (BRK).GREECEPYRENEES. ML 3.1 (LOG). Felt (III) ot the LocqOilfield, France.TURKEY. MD 3.2 (ISK).TURKEY. MD 3.0 ( ISK) .SOUTH OF KERMADEC ISLANDSSOUTHEASTERN ALASKA. <AEIC>. ML 2.9 (AEIC), 2.6 (PGC).SOUTHERN ALASKA. <AEIC>.EL SALVADOR. Felt (III) ot Son Solvodor.NEAR COAST OF CHIAPAS, MEXICONEAR EAST COAST OF HONSHU, JAPANSOUTH OF FIJI ISLANDSGREECE-BULGARIA BORDER REGION. ML 2.5 (SKO).NEAR COAST OF CENTRAL CHILE. MD 4.0 (SAN).CATAMARCA PROVINCE, ARGENTINATURKEY. MD 3.0 (ISK).SOUTHERN CALIFORNIA. <PAS-P>. ML 3.0 (PAS). Felt.TAJIKISTAN. Felt (III) ot Doraut-Kurgon ond Khoydorken,Kyrgyrs ton.BANDA SEAOFF COAST OF CENTRAL CHILE. MD 4.4 (SAN).JAWA, INDONESIA. Depth from broadband displacementse i smog r oms.TURKEY. MD 2.7 (ISK).CHILE-ARGENTINA BORDER REGION. MD 3.5 (SAN).SAN JUAN PROVINCE, ARGENTINASOUTHERN PACIFIC OCEANWEST CHILE RISEVIRGIN ISLANDSGULF OF ALASKA. ML 2.8 (AEIC).FIJI ISLANDS REGIONTURKEY. MD 3.2 ( I SK).GERMANY. ML 3.7 (VIE), 3.4 (LOG), 3.3 (GRF).CATAMARCA PROVINCE, ARGENTINANEAR EAST COAST OF HONSHU, JAPANFRANCE. ML 3.8 (LOG).TIMOR REGION, INDONESIA

DEC 1992 PAGE 18

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NORTHETURKEYKODI AKFLORESTR INIDTAIWANand ( Ih i ghwaWEST COFF E.ECUADOGREECEYELLOWNEAR EPAKISTCENTRASOUTHENORTHENORTHENEAR EYELLOWNEAR ECENTRAPAKISTPAKISTNEAR EBONINSOUTHNORTHSOUTHEWINDWASOUTHEMu I t i pNORTH*SOUTHESERAM.NEAR CVIRGINThomasVIRGI NThomosSERAM.V I RGI NTURKEYTURKEYTURKEYTURKEYVIRGINNEAR ENORTHEMINAHANEAR EOf una tMi yakoTAJ IKIVIRGINCHILE-)VIRGINTURKEYOFF E.NORTHEfSOUTH <AEGEANFRANCEOFF CO)OFF CO)DODECAtTURKEYTURKEYCYPRUSTurkeyGREECETAIWANFIJI I!SOUTHEFNORTHWfGREECE-(TIR).LEEWARISPAIN.OFF E.LEEWARtNEAR E/GREECEFLORESFRANCEPERU-BCond PuTocna ,NORTHEFSAN JU/

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29 20 50 06.8 2.940 N 126.667 E 33 N 4.5 0.7 12

MD 2.7 (ISK).KODIAK ISLAND REGION. <AEIC>. ML 2.7 (AEIC). FLORES REGION, INDONESIA TRINIDAD. MD 2.8 (TRN).TAIWAN. Felt (IV JMA) at Hua-lien, (III JMA) at Su-ao

A) at l-lan. Landslides reported along a highway in the epicentre! area.

ILE RISECOAST OF N. ISLAND, N.Z.

YELLOWSTONE REGION, WYOMING. ML 2.7 (GS), 3.2 (BUT). NEAR EAST COAST OF HONSHU. JAPAN PAKISTANCENTRAL ALASKA. <AEIC>. ML 3.7 (AEIC). 4.0 (PMR).

LASKA. <AEIC>. 3LOMBIA 3LOMBIA

NEAR EAST COAST OF HONSHU, JAPANYELLOWSTONE REGION. WYOMING. ML 3.0 (BUT), 2.5 (GS). NEAR EAST COAST OF HONSHU, JAPAN CENTRAL ALASKA. <AEIC>. PAKISTAN PAKISTANNEAR EAST COAST OF HONSHU, BONIN ISLANDS REGION SOUTH OF JAWA. INDONESIA NORTH ATLANTIC OCEAN. mbLg 3.6 (MOD). SOUTHERN CALIFORNIA. <PAS-P>. ML 3.0 (PAS) WINDWARD ISLANDS. MD 3.2 (TRN). SOUTHERN CALIFORNIA. <PAS-P>. ML 3.4 (PAS) Mult i pie event. FeIt.NORTHWESTERN CAUCASUS. Felt (III) at Mizur, SOUTHERN CALIFORNIA. <PAS-P>. ML 3.8 (PAS), SERAM. INDONESIANEAR COAST OF CENTRAL CHILE. MD 3.6 (SAN). VIRGIN ISLANDS. Felt on St. Croix, St. John and St.

Also felt in parts of Puerto Rico. VIRGIN ISLANDS. Felt on St. Croix, St. John and St.

Also felt in ports of Puerto Rico. INDONESIA ISLANDSMD 3.8 (ISK)MD 2.9 ( ISK) .MD 2.7 (ISK) .MD 2.9 (ISK). ISLANDS

NEAR EAST COAST OF HONSHU, JAPAN NORTHERN MOLUCCA SEA MINAHASSA PENINSULA, SULAWESINEAR EAST COAST OF HONSHU, JAPAN. Felt (ill JMA) at Ofunato; (II JMA) at Ishinomoki and Morioka; (I JMA) at Miyako, Sakoto, Sendai and Shinjo. TAJIKISTAN VIRGIN ISLANDSCHILE-ARGENTINA BORDER REGION.

ISLANDSMD 3.2 (ISK). COAST OF N. ISLAND, N.Z. N ITALY. ML 2.4 (GEN) . F HONSHU. JAPAN SEAML 2.5 (LDG).

OFF COAST OF CENTRAL CHILE. OFF COAST OF CENTRAL CHILE.

SE ISLANDSMD 3.2 (ISK).MD 2.9 (ISK).

CYPRUS REGION. MD 4. 1 (ISK) Turkey. GREECETAIWAN REGION. ML 4.8 (BJI ) .

ISLANDS REGION.ASKA. <AEIC>.

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LEEWARD ISLANDS. ML 2.8 (FDF).mbLg 2.8 (MOD).COAST OF N. ISLAND, N.Z.ISLANDS. ML 3.1 (FDF).

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MENDOZA PROVINCE. ARGENTINA. MD 3.8 (SAN).CENTRAL CALIFORNIA. <BRK>. ML 2.7 (BRK).PUERTO RICO REGIONTIMOR REGION, INDONESIA. Felt in the Moumere area,FI ores.KENAI PENINSULA. ALASKA. <AEIC>. ML 3.2 (AEIC).MID-INDIAN RIDGEALASKA PENINSULA. <AEIC>. ML 3.5 (AEIC).FRANCE. ML 1.8 (LDG).TIMOR REGION, INDONESIAJUJUY PROVINCE, ARGENTINACHILE-ARGENTINA BORDER REGIONGREECE-ALBANIA BORDER REGIONKENAI PENINSULA, ALASKA. <AEIC>. ML 2.7 (AEIC).MID-INDIAN RIDGEKERMADEC ISLANDS REGIONTAIWAN REGIONSOLOMON ISLANDS. Felt (II) at Honiara.TURKEY. MD 3.2 (ISK).GREECETURKEY. MD 3.2 ( ISK) .EASTERN NEW GUINEA REG., P.N.G.VIRGIN ISLANDSGREECEGREECESERAM, INDONESIATURKEY. MD 3.2 ( ISK).KODIAK ISLAND REGION. <AEIC>. ML 4.0 (AEIC), 4.0 (PMR).SPAIN. mbLg 2.8 (MDD).SPAIN. mbLg 2.8 (MDD).TURKEYAEGEAN SEAAEGEAN SEANEW GUINEA, PAPUA NEW GUINEATURKEY. MD 2.9 ( ISK).KURIL ISLANDSBULGARIAANDAMAN ISLANDS, INDIAANDAMAN ISLANDS, INDIANEAR EAST COAST OF HONSHU, JAPANKURIL ISLANDSHOKKAIDO, JAPAN REGIONKURIL ISLANDSSOUTHERN NORWAY. MD 1.4 (BER).UNITED KINGDOM. ML 2.2 (BGS).MINDANAO, PHILIPPINE ISLANDSSOUTHERN CALIFORNIA. <PAS-P>AEGEAN SEA. MD 3.5 (ISK) .TURKEY. MD 2.7 (ISK).TURKEY. MD 3.2 (ISK).IRAN-IRAQ BORDER REGIONTURKEY. MD 4.0 (ATH), 3.8 (ISK).TURKEY. MD 2.8 (ISK).NEW BRITAIN REGION, P.N.G.GREECECALIFORNIA-NEVADA BORDER REGION.ML 2.8 (GS).VENEZUELATURKEY. MD 2.9 ( ISK).VIRGIN ISLANDSSWITZERLAND. ML 4.2 (LDG), 4.2 (VIE), 4.1 (FUR), 4.1(GRF), 3.9 (BNS). MD 4.1 (TRI). Felt at Basel,Schof 1 housen, Zurich and in the Luzern area. Also feltin southwestern Germany and (III) in southern Alsace,France.PHILIPPINE ISLANDS REGIONNEAR EAST COAST OF HONSHU, JAPANGREECE-ALBANIA BORDER REGION. ML 2.3TURKEY. MD 3.3 (ISK).TURKEY. MD 2.8 (ISK).ANDAMAN ISLANDS, INDIACALIF.-BAJA CALIF. BORDER REGION(PAS).NORTHERN COLOMBIA. Felt in theBogoto-Moni20 Ies-MedeI Iin area.CHILE-ARGENTINA BORDER REGION. MD 3.7 (SAN).SOUTH ISLAND, NEW ZEALANDMONTANA. <BUT>. ML 2.9 (BUT). Felt at Norris.GREECE-ALBANIA BORDER REGIONMID-INDIAN RIDGEFRANCE. ML 2.9 (LDG).FRANCE. ML 2.8 (LDG).NEAR EAST COAST OF HONSHU, JAPANTURKEY. MD 3.0 (ISK).KENAI PENINSULA, ALASKA. <AEIC>. ML 2.6 (AEIC).GERMANYSAN JUAN PROVINCE, ARGENTINACENTRAL ALASKA. <AEIC>. ML 3.3 (AEIC).BANDA SEASOUTHERN MID-ATLANTIC RIDGETURKEY. MD 3.0 (ISK).TURKEY. MD 2.8 ( ISK).CENTRAL ALASKA. <AEIC>.

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NEAR EAST COAST OF HONSHU, JAPANM i yako-Ofunato-Morioka area.NEAR EAST COAST OF HONSHU, JAPANMiyako-Ofunata-Mariaka area.NEAR EAST COAST OF HONSHU, JAPANMiyaka-Ofunato-Moriaka area.SOUTHERN CALIFORNIA. <PAS-P>. ML 2.9 (PAS), 2.8 (GS).SOUTHERN CALIFORNIA. <PAS-P>. ML 3.2 (PAS), 3.0 (GS).Fel t .NORTHWESTERN BALKAN REGION. ML 1.3 (SKO).GERMANY. ML 2.8 (LDG), 2.4 (GRF).GREECEOINGHAI, CHINA. ML 4.7 (BJI).POLANDNEAR COAST OF CENTRAL CHILE. MD 4.0 (SAN).CENTRAL CALIFORNIA. <8RK>. ML 2.6 (BRK).NORTHERN ITALY. ML 3.9 (LDG), 3.9 (VIE). MD 3.6 (TRI).ANDREANOF ISLANDS, ALEUTIAN IS.TURKEY. MD 3.2 (ISK) .VIRGIN ISLANDSTURKEY. MD 3.6 (ISK) .POLAND. MG 2.8 (WAR).NEAR COAST OF CENTRAL CHILE. MD 3.8 (SAN).CENTRAL CALIFORNIA. <BRK>. ML 2.6 (BRK).SUMBAWA REGION. INDONESIASOUTH OF FIJI ISLANDSNORTHERN COLOMBIANEAR COAST OF NORTHERN CALIF. <BRK>. ML 3.4 (BRK), 3.3(GS). Felt (IV) at Ferndale and Honeydew. Felt (III) atPetralia. Also felt at Scatia.NORTHERN ITALY. ML 1.9 (VIE).BANDA SEASICILYSOUTHERN GREECE. ML 3.3 (ATH).OFF COAST OF CENTRAL AMERICA. Felt (III) at SanSalvador, El Salvador. Felt throughout much af ElSo Ivadar.SAN JUAN PROVINCE, ARGENTINAFRANCE. ML 2.2 (GEN).AEGEAN SEA. ML 3.6 (ATH). MD 3.6 (ISK).SOUTHEASTERN ALASKA. <AEIC>. ML 2.6 (AEIC), 2.2 (PGC).NEAR SOUTH COAST OF MYANMARCENTRAL CALIFORNIA. <PAS-P>. ML 2.8 (PAS).TURKEY. MD 2.7 (ISK).SOUTH OF FIJI ISLANDSSOUTH OF KERMADEC ISLANDS. Ms 6.4 (BRK). Mo-5.0*10** 18Nm (PPT). Depth from broadband displacementse i smograms.KERMADEC ISLANDS REGIONFRANCE. ML 2.0 (GEN).VIRGIN ISLANDSKERMADEC ISLANDS REGIONTURKEY. MD 2.8 (ISK) .NORTH ISLAND, NEW ZEALANDKERMADEC ISLANDS REGIONTURKEY. MD 2.8 (ISK).PUERTO RICO REGIONKERMADEC ISLANDS REGIONCENTRAL ITALYCHILE-ARGENTINA BORDER REGION


01 00 23 22.84 20.864S 169.234E 32km 5.8mb ( 71 obs.) 5.7Msz ( 46 obs.)VANUATU ISLANDSFAULT PLANE SOLUTION: P-WOVCSNP1:Strikc-140 Dip-64 Slip- 20 NP2: 41 72 153


Comment: The focal mechanism is moderately welI cantralled and corresponds ta strike-slip faulting with a moderate reverse component. The preferred fault plane is not de termined.

RADIATED ENERGYNa. af sta: 8 Facol mech. F Energy 1 .7±0.5*10»* 13 Nm

MOMENT TENSOR SOLUTION Dep 38 No. af sta: 13 P r i nc i pa I Axes:


Best Double CaupIe:Mo-1.1 * 10* 18 NP1:Strike-141 Dip-73 Slip- 11 NP2: 47 79 162

(HRV)CENTROID, MOMENT TENSORData Used: GDSNL.P.B.: 37S, 86CCent raid Lacat i an:Origin Time 00:23:26.8 0.2Lot 20.86S 0.02 Lon 169.13E 0.02Dep 29.2 1.4 Half-duration 1.0P r i nc i pa I Axes:

Scale 10*»18 NmT Val- 1.41 PIg- 1N -0.26 75P -1.16 15

Azm-33063

240Best Double CaupIe.Ma-1.3*10* 18 NP1:Strike- 16 Dip-79 Slip 170 NP2: 284 80 -11

01 18 04 26.61 4 005S 134.891E 33km 5.0mb ( 27 obs.) 4.9Msz ( 21 obs.) IRIAN JAYA REGION. INDONESIA CENTROID. MOMENT TENSOR (HRV) Data Used- GDSN L.P.B.: 19S. 31C Cent raid Loca t i an:Origin Time 18.04:28.6 0.6 Lot 3.96S 0.05 Lan 135.18E 0.07 Dep 41 0 4.9 Half-duration 1.1 P r i nc i pa I Axes:

Scale 10»»16 Nm T VoI- 11.55 Pig-26 Azm-253

N 1.35 54 121P -12.89 23 355

8est Double Coup Ie.Mo-1.2*10*»17NP1:Strike- 34 Dip-54 Slip- 2NP2: 303 89 144

01 18 43 43.55 22.288S 174.307E 21km5.2mb ( 31 abs.) 5.3Msz ( 25 obs.)LOYALTY ISLANDS REGIONCENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 15S, 26CCent raid Lacat i an:Origin Time 18:43:51.00.4Lot 21.99S 0.05 Lan 174.40E 0.06Dep 15.0 FIX Half-duration 1.4Pr i nc i pa I Axes:


Best Double CaupIe:Mo-2.3*10** 17 NP1:Strike-240 Dip-33 Slip- 20 NP2: 133 79 122

82 18 03 44.01 61.805N 151.194W 74km 5.5mb (119 obs.) SOUTHERN ALASKA CENTROID, MOMENT TENSOR (HRV)

PAGE 21 DEC 1992

Doto Used: GDSNL.P.B.: 27S, 54CCent ro i d Locot i on:Origin Time 18:03:48.3 0.3Lot 61.91N 0.05 Lon 151.20W 0.07Dep 72.2 4.3 Ho I f-durotion 1.3P r i nc i poI Axes:

Scole 10**17 MmT Vol- 1.83 Pig-39 Azm-262 N -0.33 8 165 P -1.50 50 65

Best Double Coup Ie:Mo-1.7*10**17 NPIrStrike- 41 Dip-10 Slip- -34 NP2: 164 84 -99

03 06 28 37.76 48.137S 9.878W 10km 5.3mb ( 11 obs.) 5.4Msz ( 6 obs.) SOUTHERN MID-ATLANTIC RIDGE CENTROID, MOMENT TENSOR (HRV) Doto Used: GDSN L.P.B.: 22S, 42C Cent ro i d Loco t i on:Origin Time 06:28:45.1 0.3 Lot 48.11S FIX;Lon 9.87W FIX Dep 15.0 FIX Half-durotion 1.2 Pr i nc i pol Axes:

Scole 10**17 NmT Vol- 1.77 Pig- 0 Azm-268N -0.02 90 180P -1.75 0 178

Best Double Coup Ie:Mo-1.8*10* 17NP1:Strike-313 Dip-90 Slip 180NP2: 43 90 0

04 02 08 57.50 34.369N 116.897W 3km 5.3mb ( 46 obs.) 4.8Msz ( 12 obs.) SOUTHERN CALIFORNIA CENTROID, MOMENT TENSOR (HRv) Doto Used: GDSN L.P.B.: 7S, 11C Cent ro i d Locot ion:Origin Time 02:09: 6 0 0.6 Lot 34.37N FlX;Lon 116 90W FIX Dep 15.0 FIX Half-duration 1.0 Pr i nc i pa I Axes :

Scole 10**16 NmT Vol- 7.66 Pig-71 Azm- 85N 0.28 18 287P -7.94 7 195

Best Double Coup Ie:Mo-7.8*10»*16NP1:Strike-265 Dip-41 Slip- 62NP2: 120 54 112

04 05 36 16.50 48.355N 153.331E 111km5.1mb ( 94 obs.)KURIL ISLANDSCENTROID, MOMENT TENSOR (HRV)Doto Used: GDSNL.P.B.: 6S, 7CCentroid Location:Origin Time 05:36:18.4 2 . 5Lot 48.64N 0.17 Lon 153.37E 0.30Dep 100.410.7 Hoif-durotion 1.0Pr i nc i poI Axes:

Sea I e 10**16 NmT Vol- 5.79 Pig-38 Azm- 70 N 0.32 41 203 P -6.11 26 318

Best Double Coup Ie.Mo-5.9»10** 16 NP1:Strike- 98 Dip-42 Slip- 169 NP2: 197 83 49

04 11 36 36.20 37.814N 72.194E 120km 5.9mb (125 obs.) TAJIKISTANFAULT PLANE SOLUTION: P-Woves NPIrStrike- 70 Dip-83 Slip- -90 NP2 : 250 7 -90


Comment: The focal mechanism is moderately well controlled and corresponds to normal faulting. The preferred fault plane is not determined.

RADIATED ENERGYNo. of sto: 6 Focal mech. M Energy 1 .6±0.6*10** 12 Nm


Scole 10»*17 Nm

T Vol- 2.59 Pig-37 Azm-172 N 0.00 20 66 P -2.59 46 313

Best Double Coup Ie:Mo-2.6*10* 17 NP1:Strike-321 Dip-21 Slip- -14 NP2: 64 85 -110

CENTROID, MOMENT TENSOR (HRV)Doto Used: GDSNL.P.B.: 33S, 75CCent ro i d Locot i on:Origin Time 11:36:37.4 0.3Lot 37.35N 0.03 Lon 71.86E 0.03Dep 131.2 1.3 Half-duration 1.9P r i nc i poI Axes:

Scole 10**17 NmT Vol- 4.99 Pig-29 Azm-142 N 0.12 5 235 P -5.12 61 333

Best Double Coup Ie:Mo-5.1 * 10*»17 NP1:Strike-219 Dip-17 Slip 107 NP2: 56 74 -85

04 20 38 43.37 1.051N 126.027E 55km5.3mb ( 51 obs.) 4.8Msz ( 21 obs.)NORTHERN MOLUCCA SEACENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 29S, 48CCent ro i d Locot i on:Origin Time 20:38:46.2 0.4Lot 1.09N 0.06 Lon 125.75E 0.07Dep 19.2 3.0 Half-duration 1.5P r i nc i poI Axes:


Best Double Coup Ie:Mo-1.6*10**17 NPIrStrike- 43 Dip-30 Slip- 136 NP2: 173 70 68

06 01 43 53.02 10.865N 57.291E 10km5.3mb ( 81 obs.) 5.3Msz ( 32 obs.)CARLSBERG RIDGECENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 33S, 68CCentroid Location:Origin Time 01:43:51.0 0.3Lot 10.45N 0.03 Lon 56.88E 0.02Dep 15.0 FIX Half-duration 1.7Pr i nc i poI Axes:


Best Double Coup Ie:Mo-3.8*10* 17 NP1:Strike-212 Dip-75 Slip- 14 NP2: 119 76 164

07 02 11 42.39 43.949N 147.145E 45km 5.8mb (170 obs.) 5.8Msz ( 50 obs.) KURIL ISLANDSFAULT PLANE SOLUTION: P-Woves NP1:Strike-245 Dip-58 Slip- 65 NP2: 106 40 124


Comment: The focal mechanism is moderately well controlled and corresponds to reverse faulting with a moderate strike-slip component. The preferred fault plane is not de te rmi ned.


MOMENT TENSOR SOLUTION Dep 46 No. of sta: 28 Pr i nc i po I Axes:

Sea Ie 10** 1 7 NmT Vol- 9.18 Pig-56 Azm-116 N -0.16 30 265 P -9.02 15 4

Best Double Coup Ie.Mo-9.1 * 10** 17 NP1:Strike-128 Dip-40 Slip- 141 NP2: 250 66 57

CENTROID, MOMENT TENSOR (HRV) Doto Used: GDSN L.P.B. : 29S, 76C Centroid Location:

Or igi n Time 02r11:45.7 0.2Lot 43.75N 0.02 Lon 147.16E 0.02Dep 57.6 2.1 Half-duration 2.7Pr i nc i pa I Axes:


Best Double Couple:Mo-1.1 * 10**18NPIrStrike- 76 Dip-21 Slip- 115NP2: 230 71 81

08 02 24 26.15 15.483S 168.012E 34km5.7mb ( 67 obs.) 5.1Msz ( 16 obs.)VANUATU ISLANDSCENTROID, MOMENT TENSOR (HRV)Doto Used: GDSNL.P.B.: 33S, 66CCentroid Location:Origin Time 02:24:30.1 0.3Lot 15.18S 0.04 Lon 168.35E 0.03Dep 15.0 BDY Half-duration 1.5Pr i nc i pa I Axes:

Scole 10**17 Nm T Val- 2.73 Pig-66 Azm-352 N -0.10 24 170 P -2.63 1 261

Best Double Couple:Mo-2.7*10**17 NPIrStrike- 13 Dip-49 Slip- 122 NP2: 149 50 58

08 04 08 29.08 3.443N 125.816E 102km5.0mb ( 37 obs.)TALAUD ISLANDS, INDONESIACENTROID, MOMENT TENSOR (HRV)Doto Used: GDSNL.P.B. : 22S, 29CCentroid Location:Origin Time 04:08:31.7 0.6Lot 3.57N 0.05 Lon 126.06E 0.06Dep 98.1 4.2 Ho If-durotion 1.1Pr i nc i poI Axes:

Scole ie**16 Nm T Val- 9.59 Pig-79 Azm-319 N -0.30 5 203 P -9.29 10 112


08 06 28 46.59 10.141N 103.836W 10km4.9mb ( 15 obs.) 5.1Msz ( 21 obs.)OFF COAST OF MEXICOCENTROID, MOMENT TENSOR (HRV)Doto Used: GDSNL.P.B.: 23S, 45CCentroid Location:Origin Time 06:28:54.7 0.4Lot 10.64N 0.04 Lon 103.70W 0.63Dep 15.0 FIX Half-duration 1.7Pr i nc i poI Axes:

Scole 10**17 NmT Vol- 4.05 Pig- 1 Azm-306 N 0.15 89 102 P -4.19 0 216

Best Double Coup Ie.Mo-4.1 * 10**17 NP1:Strike-351 Dip-89 Slip- 180 NP2: 81 90 1

08 07 08 39.92 9.291N 93.479E 66km 6.0mb (160 obs.) NICOBAR ISLANDS, INDIA FAULT PLANE SOLUTION: P-Woves NP1:Strike-240 Dip-75 Slip- 90 NP2: 60 15 90

Pr i nc i poI Axes:T Pig-60 Azm-150P 30 330

Comment: The focal mechanism ispoorly controlled andcorresponds to reversefaulting. The preferred faultplane is NP2.

CENTROID. MOMENT TENSOR (HRV) Data Usedr GDSNL.P.B.r 31S. 64C M.W.r 9S, 13C Centroid Location: Origin Time 07r08:43.6 0.4 Lot 9.22N 0.03 Lon 93.50E 0.03 Dep 89.9 1.3 Half-duration 2.2 Pr i nc i poI Axes:

Scale 10**18 NmT Vol- 1.07 Pig-33 Azm-101

DEC 1992 PAGE 22

N e.09 55 256P -1.16 12 3

Best Double Coup Ie:Mo-1.1*10* 18NP1:Strike-137 Dip-58 Slip- 164NP2: 235 76 33

89 05 12 43.88 39.821N 143.518E 38km 5.2mb ( 68 obs.) 5.1Msz ( 18 obs.) OFF EAST COAST OF HONSHU, JAPAN CENTROID, MOMENT TENSOR (HRV) Doto Used: GDSN L.P.B.: 21S, 37C Centra i d Locat i on: Origin Time 85:12:45.8 0 . 6 Lot 39.64N 8.88 Lon 143.98E 8.87 Dep 18.4 3.1 Hoif-duration 1.3 Pr i nc i pa I Axes:



89 06 27 43.37 56.559S 142.556W 18km 5.7mb ( 15 obs.) 5.5Msz ( 2 obs.) PACIFIC-ANTARCTIC RIDGE CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 35S, 79C Centroid Location: Origin Time 86:27:54.5 0.2 Lot 56.09S 8.83 Lon 142.38W 8.84 Dep 15.8 FIX Half-duration 2.8 Pr i nc i pa I Axes:

Scale 18**17 Nm T Vol- 6.57 Pig-15 Azm-352 N 8.90 68 124 P -7.47 15 258

Best Double Coup Ie.Mo-7.8*10** 17 NP1:Strike- 35 Dip-68 Slip 188 NP2: 385 90 -22

18 13 54 37.71 24.482S 178.955E 529km5 2mb ( 26 obs.)SOUTH OF FIJI ISLANDSCENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 18S, 24CCentroid Location:Origin Time 13:54:43.2 0.7Lot 24.28S 8.87 Lon 178.73E 8 87Dep 542.8 4.1 Half-duration 1.2P r i nc i pa I Axes:

Scole 18»*16 NmT Vol- 18.25 Pig-29 Azm-242 N 1.50 5 335 P -11.75 60 73

Best Double Coup Ie:Mo-1.1«10**17 NP1 : Str i ke-318 Dip-16 Slip 108 NP2: 156 74 -85

11 02 22 51.84 17.523S 167.961E 33km5.4mb ( 35 obs.) 5.3Msz ( 13 obs.)VANUATU ISLANDSCENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 35S, 64CCent ro i d Locali on:Origin Time 02:22:56.9 0.3Lot 17.43S 0.03 Lon 168.04E 0.03Dep 15.0 FIX Half-duration 1.7Principal Axes:



11 22 12 56.07 59.572S 26.101W 33km 5.5mb ( 6 obs.) SOUTH SANDWICH ISLANDS REGION CENTROID. MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 18S, 27C Centroid Location: Or igin T ime 22:13: 3.2 0.4 Lot 59.78S 0.06 Lon 25.28W 0.15 Dep 15.0 FIX Half-duration 1.2 Pr i nc i pa I Axes:


Best Double Coup Ie:Mo-1 .2*10** 17NP1 :St r i ke-214 Dip-51 Slip 157NP2: 109 72 -41

12 05 29 26.35 8.480S 121.896E 2Bkm 6.5mb ( 78 obs.) 7.5Msz ( 43 obs.)FLORES REGION, INDONESIAFAULT PLANE SOLUTION: P-Woves NPl:Strike- 85 Dip-40 Slip- 90 NP2: 265 50 90


Comment: The focal mechanism is poorly controlled and corresponds to reverse faulting. The preferred fault plane is not determined.

RADIATED ENERGYNo. of sta: 17 Focal mech. M Energy 6.6±1.0»10**15 Nm


Scale 10**20 NmT Val- 1.40 Pig-69 Azm-261N -0.01 21 86P -1.38 1 355

Best Double Coup Ie:Mo-1.4*10**20NP1:Strike- 65 Dip-47 Slip- 61NP2: 284 50 118

CENTROID, MOMENT TENSOR (HRV)Data Used: GDSN

M.W.: 37S, **C Centroid Location: Origin Time 05:29:49.9 0 . 1 Lot 8.34S 0.01 Lon 122.49E 0.01 Dep 20.4 0.4 Half-duration 17.8 Pr i nc i poI Axes:


Best Double Coup Ie:Mo-5.1 * 10**20 NP1:Strike- 80 Dip-40 Slip- 95 NP2: 253 50 86

12 21 43 10.00 8.483S 121.964E 23km 5.4mb ( 55 obs.) 4.8Msz ( 15 obs.) FLORES REGION, INDONESIA CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 23S, 42C Cent ro i d Locot i on: Or igi n Time 21.43:14.80.7 Lot 8.51S FlX;Lon 121.99E FIX Dep 27.0 FIX Half-duration 1.5 Pr i nc i pa I Axes:



14 02 52 08.09 52.126N 178.761E 130km5.5mb (110 obs.)RAT ISLANDS. ALEUTIAN ISLANDSCENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 21S. 42CCentroid Location:Origin Time 02:52:12.7 0.4Lot 52.24N 0.05 Lan 178.54E 8.05Dep 133.2 1.9 Half-duration 1.5Pr i nc i pa I Axes:

Scale 10**17 NmT Val- 2.27 Pig-34 Azm- 63 N -0.04 15 164 P -2.23 52 274

Best Double Coup Ie:Mo-2.2*10** 1 7 NP1 :Str i ke-107 Dip-18 Slip 148 NP2: 346 81 -75

14 04 15 15.05 19.791N 109.220W 10km 4.8mb ( 19 obs.) REVILLA GlGEDO ISLANDS REGION CENTROID, MOMENT TENSOR (HRV)

Data Used: GDSNL.P.B.: 5S, 7CCent ro i d Locat i an:Origin Time 04:15:13.7 1.0Lot 19.83N FIX;Lon 109.18W FIXDep 15.0 FIX Half-duration 1.0Pr i nc i pa I Axes:

Scale 10**16 Nm T Val- 8.11 Pig- 2 Azm-247 N 0.76 64 153 P -B.87 26 338

Best Double Cauple:Mo-8.5*10**16 NP1:Strike- 19 Dip-71 Slip- -17 NP2: 115 74 -160

14 07 41 00.34 14.029S 170.753E 622km5.5mb ( 93 obs.)VANUATU ISLANDS REGIONCENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 22S, 43CCentroid Location:Origin Time 07:41: 4.0 0.3Lot 13.99S 0-83 Lon 170.87E 0.02Dep 642.5 2.0 Half-duration 1.5Principal Axes :

Scole 10**17 NmT Val- 3.29 Pig- 8 Azm-210 N 0.29 5 119 P -3.58 81 357

Best Double Coup Ie:Mo-3.4*10** 17 NP1:Strike-385 Dip-38 Slip- -82 NP2: 115 53 -96

14 19 13 04.27 34.666S 179.553E 247km5 5mb ( 42 obs.)SOUTH OF KERMADEC ISLANDSCENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 25S, 53CCen t ro i d Locot i on:Origin T ime 19:13: 1.50.2Lot 33.70S 0.02 Lon 179.87E 0.03Dep 161.3 0.8 Half-duration 2.1P r i nc i pa I Axes:



15 12 46 06.53 8.638N 126.581E 33km 5.3mb ( 54 obs.) 5.0Msz ( 31 obs.) MINDANAO. PHILIPPINE ISLANDS CENTROID. MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 24S, 35C Centroid Location:Or igi n T ime 12:46:10.1 0.5 Lot 8.57N FlX;Lon 126.63E FIX Dep 15.0 FIX Half-duration 1.4 Pr i nc i pa I Axes:

Scole 10**17 NmT Val- 2.75 Pig-51 Azm-298N -0.38 8 198P -2.37 38 102


16 09 49 40.99 17.136S 66.916E 10km 5.0mb ( 13 obs.) 4.7Msz ( 5 obs.) MAURITIUS-REUNION REGION CENTROID. MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 21S, 32C Cent raid Lacat i an: Origin Time 09:49:49.8 0.4 Lot 17.05S 0.04 Lon 66.B5E 0.05 Dep 15.0 FIX Half-duration 1.4 Pr i nc i pa I Axes:

Scale 10**17 Nm T Val- 1.67 Pig- 0 Azm- 99 N -0.45 90 180 P -1.22 0 9

Best Double Coup Ie:Mo-1.4* 1 0*. 1 7 NP1 :St r i ke-144 Dip-90 Slip 180 NP2: 234 90 0

17 09 19 18.83 18.386N 105.478W 33km 5.1mb ( 37 obs.) 4.9Msz ( 13 obs.)

PAGE 23 DEC 1992

OFF COAST OF JALISCO, MEXICOCENTROID, MOMENT TENSOR (HRV)Doto Used: GDSNL.P.B.: 18S, 35CCent ro i d Locot i on:Origin Time 09:19:13.6 0.9Lot 18.05N 0.08 Lon 105.45W 0.05Dep 15.0 FIX Hoif-durotion 1.3Pr i nc i poI Axes:

Scole 10*»17 NmT Vol- 1.39 Pig- 0 Azm-236 N 0.15 90 180 P -1.55 0 146

Best Double Coup Ie:Mo-1.5*10**17 NP1:Strike-281 Dip-90 Slip 180 NP2: 11 90 0

17 10 39 28.98 25.901N 61.441E 33km5.8mb (132 obs.) 5.3Msz ( 55 obs.)SOUTHERN IRANCENTROID. MOMENT TENSOR (HRV)Doto Used: GDSNL.P.B.: 17S, 35CCentroid Locotion:Origin Time 10:39:32.5 0.3Lot 25.68N 0.04 Lon 61.43E 0.03Dep 37.0 BDY Ho If-durotion 1.7Pr i nc i poI Axes:

Scale 10**17 Nm T Vol- 4.88 Pig-51 Azm-339 N -0.83 39 151 P -4.06 4 244

Best Double Couple:Mo-4.5*10»»17 NP1:Strike- 8 Dip-54 Slip- 142 NP2: 123 60 43

17 17 43 12.59 37.422N 68.942E 36km 5.3mb ( 97 obs.) 4.9Msz ( 18 obs.) AFGHANISTAN-TAJIKISTAN BORD REG. CENTROID, MOMENT TENSOR (HRV) Doto Used: GDSN L.P.8.: 18S, 24C Cent ro i d Locot i on:Origin T ime 17:43:12.7 0.6 Lot 37.30N 0.08 Lon 68.52E 0.08 Dep 28.8 4.0 Ho If-durotion 1.0 Pr i nc i poI Axes:

Scole 10»*16 NmT Vol- 5.77 Pig-73 Azm-163N 1.64 17 335P -7.41 2 66

Best Double Coup Ie:Mo-6.6»10»* 16NP1:Strike-172 Dip-45 Slip- 114NP2: 320 49 68

17 18 56 57.31 8.270S 121.630E 23km5.6mb ( 65 obs. )FLORES REGION, INDONESIACENTROID, MOMENT TENSOR (HRV)Doto Used: GDSNL.P.B-: 13S, 17CCentroid Locotion:Origin Time 1B:57: 2.9 1.9Lot 8.31S 0.10 Lon 121.92E 0.11Dep 39.3 4.5 Ho If-durotion 1.1Pr i nc i poI Axes:

Scole 10*»16 Nm T Vol- 9.81 Pig-38 Azm-323 N 1.20 51 134 P -11.01 5 230

Best Double Coup Ie:Mo-1.0*10**17 NP1 :Strike-359 Dip-60 Slip- 154 NP2: 103 68 32

18 03 14 04.24 6 487S 147.144E 29km 6.0mb ( 97 obs.) 6.0Msz ( 68 obs.) EASTERN NEW GUINEA REG., P.N.G. FAULT PLANE SOLUTION: P-Woves NP1:Strike-104 Dip-77 Slip- 149 NP2: 202 60 15

P r i nc i poI Axes:T Pig-31 Azm- 59 P 11 156

Comment: The focol mechanism is moderately well controlled and corresponds to strike-slip faulting with o large reverse component. The preferred foult plone is not determined.

RADIATED ENERGYNo. of sto: 4 Focol mech. F Energy 2.8±1.2»10**13 Nm

MOMENT TENSOR SOLUTION

Dep 13 No. of sta: 14Pr i nc i poI Axes:

Scole 10»»18 Nm T Vol- 1.66 Pig-35 Azm- 37 N 0.01 49 253 P -1.66 18 141

Best Double Couple:Mo-1.7*10** 18 NP1:Strike-184 Dip-51 Slip- 14 NP2: 86 79 140

CENTROID, MOMENT TENSOR (HRV)Dota Used: GDSNL.P.B.: 28S, 63C M.W.: 13S, 15CCent ra i d Locali on:Origin Time 03:14: 6.7 0.2Lot 7.01S 0.02 Lon 147.21E 0.03Dep 19.9 1.2 Hoif-durotion 2.7Principol Axes :

Scale 10**18 NmT Vol- 1.80 Pig-54 Azm- 28 N 0.06 16 275 P -1.86 32 175


19 12 14 22.08 51.906N 158.411E 53km 6.1mb (159 obs.) NEAR EAST COAST OF KAMCHATKA FAULT PLANE SOLUTION: P-Woves NP1:Strike- 25 Dip-55 Slip- 105 NP2: 180 38 70


Comment: The focol mechonism is moderately well controlled ond corresponds to reverse faulting with o moderote left- lateral strike-slip component. The preferred foult plane is NP2.

RADIATED ENERGYNo. of sto: 12 Focal mech. F Energy 1.9±0.5»16» 13 Nm


Scole 10»*18 NmT Vol- 1.27 Pig-60 Azm- 10N 0.24 30 197P -1.51 3 105


CENTROID, MOMENT TENSOR (HRV)Dato Used: GDSNL.P.B.: 26S, 72C M.W.: 12S, 16C Cent ro i d Locot i on: Origin T ime 12:14:29.5 0.2 Lot 51.99N 0.02 Lon 158.93E 0.02 Dep 56.5 0.8 Ho If-durotion 2.5 Pr i nc i poI Axes:

Scole 10»*18 NmT Val- 1.24 Pig-77 Azm-324N 0.07 5 212P -1.31 12 121

Best Double Coup Ie:Mo-1.3*10»*18NP1:Strike-204 Dip-33 Slip- 81NP2: 35 58 96

19 21 57 21.57 0.023N 123.620E 127km5.5mb ( 76 obs.)MINAHASSA PENINSULA. SULAWESICENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 25S, 32CCent raid Locot i on:Origin Time 21:57:26.5 0.6Lot 0.36N 0.04 Lon 123.51E 0.06Dep 138.0 2.1 Half-durotion 1.1Pr i nc i pa I Axes:

Scale 10**16 Nm T Vol- 11.11 Pig-56 Azm-339 N -0.06 18 97 P -11.05 28 197

Best Double Coup Ie:Mo-1.1 * 10**17 NP1:Strike-324 Dip-24 Slip- 140 NP2: 92 75 72

20 16 38 46.37 25.684S 179.561E 499km 5.4mb ( 56 obs. ) SOUTH OF FIJI ISLANDS CENTROID, MOMENT TENSOR (HRV)

Dato Used: GDSNL.P.B.: 14S, 26CCent ro i d Locot i on:Origin Time 16:38:52.2 0.5Lot 25 53S 0.05 Lon 179.58E 0.04Dep 513.1 2.9 Ho If-durotion 1.4Pr i nc i poI Axes:


Best Double Coup Ie:Mo-1.9*10*»17 NP1:Strike- 74 Dip-27 Slip- 139 NP2: 202 73 69

20 20 52 47.28 6.582S 130.393E 78km 6.6mb ( 84 obs.) 7.0Msz ( 62 obs.) BANDA SEAFAULT PLANE SOLUTION: P-Woves NP1:Strike- 73 Dip-80 Slip- 80 NP2: 298 14 135


Comment: The focal mechanism is poorly controlled and corresponds to reverse faulting with a small right- loterol strike-slip component. The preferred fault plone is NP2.

RADIATED ENERGYNo. of sta: 6 Focol mech. F Energy 1.2±0.4*10* 15 Nm

MOMENT TENSOR SOLUTION Dep 71 No. of s to: 6 P r i nc i poI Axes:



CENTROID, MOMENT TENSOR (HRV)Doto Used: GDSN

M.W.: 24S, 66C Cent ro i d Locot i on: Origin Time 20:53: 0.6 0.1 Lot 6.60S 0.01 Lon 130.52E 0.01 Dep 69.7 0.4 Ho If-durotion 9.4 Pr i nc i poI Axes:

Scole 10*»19 NmT Vol- 8.52 Pig-50 Azm-298N -0.06 40 128P -8.46 5 34

Best Double Couple.Mo-8.5*10**19NP1:Strike- 89 Dip-53 Slip- 37NP2: 335 61 137

22 04 54 16.64 6.648S 130.550E 67km 5.9mb ( 80 obs. )BANDA SEAFAULT PLANE SOLUTION: P-Woves NP1 :Strike-120 Dip-43 Slip- 110 NP2: 274 50 72

Pr i nc i poI Axes:T Pig-76 Azm-121 P 416

Comment: The focol mechanism is moderately well controlled and corresponds to reverse faulting with a moderate strike-slip component. The preferred fault plane is not de termi ned.

CENTROID, MOMENT TENSOR (HRV)Dato Used: GDSNL.P.B.: 25S, 41CCentroid Location:Origin Time 04:54:21.9 0.3Lot 6.56S 0.02 Lon 130.62E 0.02Dep 92.2 1.3 Half-duration 1.5Pr i nc i poI Axes:


Best Double Coup Ie:Mo-3.7*10»*17 NP1:Strike-108 Dip-44 Slip- 85 NP2: 295 46 95

22 16 42 37.25 34.568N 88.053E 33km

DEC 1992 PAGE 24

5.1mb ( 73 obs.) 4.8Msz ( 8 obs.)X I ZANGCENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 12S, 17CCen t ro i d Locot i on:Or igin T ime 16:42:43.9 1.3Lot 34.67N 0.20 Lon 88.03E 8.13Dep 15.8 FIX Half-duration 1.1Pr i nc i pa I Axes:

Scole ie**l6 NmT Val- 8.98 Pig-14 Azm- 95 N -1.65 30 193 P -7.33 57 344

Best Double Coup Ie:Mo-8.1 * 10**16 NP1 :St r i ke-152 Dip-41 Slip 139 NP2: 29 65 -57

23 82 28 86.34 19.766S 68.888W 186km5.4mb ( 65 obs.)CHILE-BOLIVIA BORDER REGIONCENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 21S, 44CCent ro i d Loco t i an:Origin Time 82:20: 8.7 8.3Lot 28.39S 8.84 Lan 69.27W 8.83Dep 118.8 1.6 Half-duration 1.8Pr i nc i pa I Axes:

Scale 10**17 Nm T Vol- 3.36 Pig-33 Azm- 68 N 8.68 18 325 P -4.03 51 211

Best Double Coup Ie:Mo-3.7*18«* 17 NP1:Strike-286 Dip-21 Slip- -27 NP2: 322 81 -188

23 83 08 44.98 6.541S 138.417E 182km6.1mb ( 99 obs.)BANDA SEAFAULT PLANE SOLUTION: P-Woves NP1:Strike-245 Dip-48 Slip- 98 NP2: 65 42 90


Comment: The focal mechanism is poorly controlled and corresponds to reverse faulting. The preferred fault plane is not determined.

CENTROID. MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 27S, 58CCent ro i d Locot ion:Origin Time 03:00:45.4 0.3Lot 6.58S 8.83 Lon 138.54E 8.83Dep 91.7 1.5 Half-duration 1.8Pr i nc i pa I Axes:

Scale 18»*17 Nm T Vol- 4.28 Pig-61 Azm-132 N 2.25 29 298 P -6.45 6 31


24 80 83 33-33 2.549N 126.581E 97km5.6mb ( 78 obs.)NORTHERN MOLUCCA SEACENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 21S, 42CCent raid Locot ion:Origin Time 88:03:31.6 0.4Lot 2.54N 0.05 Lon 126.69E 0.06Dep 21.8 3.6 Half-duration 1.5P r i nc i pa I Axes:


Best Double Coup Ie:Mo-4.1 *10»*17 NP1:Strike- 67 Dip-13 Slip- 131 NP2: 205 80 81

24 00 34 13.81 15.293S 173.128W 23km5.9mb ( 83 obs.) 6.4Msz ( 48 abs.)TONGA ISLANDSFAULT PLANE SOLUTION: P-Waves NP1:Strike-272 Dip-84 Slip- 90 NP2: 92 6 90

Pr i nc i pa I Axes:

T Pig-51 Azm-182 P 39 2

Comment: The focol mechanism is poorly controlled and corresponds to reverse faulting. The preferred foult plane is not determined.

RADIATED ENERGYNo. of sto: 13 Focol mech. M Energy 2.8±0.7*10** 13 Nm




CENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 27S, 72CCent raid Locot ion:Origin Time 00:34:22.3 0.2Lot 14.71S 0.03 Lan 172.68W 0.02Dep 40.1 1.5 Half-duration 3.1Principal Axes:


Best Double Coup Ie:Mo-2.7*10** 18 NP1 :Str i ke-245 Dip- 7 Slip 119 NP2: 94 84 -86

24 05 09 47.46 42.221N 72.225E 38km5.2mb ( 99 obs.) 5.0Msz ( 23 abs.)KYRGYZSTANCENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 15S, 26CCentraid Location:Origin Time 85:89:47.2 1.2Lot 42.45N 8.89 Lan 72.23E 8.08Dep 26.1 4.6 Half-duration 1.1P r i nc i pa I Axes:


Best Double Coup Ie:Mo-1.3*10» 17 NP1:Strike- 79 Dip-35 Slip- 57 NP2: 297 61 110

24 22 02 05.08 16.385S 178.239E 10km4.9mb ( 21 obs.) 4.8Msz ( 6 abs.)FIJI ISLANDSCENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 22S, 37CCent ro i d Loco t i an:Origin Time 22:02:13.5 0.6Lot 15.90S 0.07 Lon 178.22E 0.04Dep 15.0 FIX Half-duration 1.2P r i nc i pa I Axes:

Scole 10**17 Nm T Val- 1.48 Pig- 3 Azm-302 N -0.05 78 49 P -1.43 11 212

Best Double Coup Ie:Ma-1.5*10** 17 NP1:Strike-348 Dip-80 Slip 175 NP2: 257 85 -10

25 15 31 49.31 5.569S 103.164E 34km 5.1mb ( 26 abs.) 4.7Msz ( 6 obs.) SOUTHERN SUMATERA, INDONESIA CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 6S, 8C Centroid Location: Origin Time 15:31.54.2 1 . 2 Lot 5.79S FIX;Lon 102.99E FIX Dep 33.0 FIX Ho If-durotian 1.0 Pr i nc i pal Axes:

Scale 10**16 NmT Vol- 11.34 Pig-57 Azm- 30N -3.56 15 275P -7.78 28 176


26 06 02 02.64 5.594S 152.834E 38km 5.6mb ( 94 obs.) 5.6Msz ( 51 obs.) NEW BRITAIN REGION, P.N.G. CENTROID, MOMENT TENSOR (HRV) Doto Used: GDSN L.P.B.: 25S, 64C Centroid Locotion: Origin Time 06:02:10.8 0.2 Lot 5.22S 0.02 Lon 153.08E 0.02 Dep 19.3 1.2 Hoif-durotion 2.0 Pr i nc i pa I Axes:

Scole 10**17 NmT Val- 6.06 Pig- 1 Azm-284N -0.32 13 194P -5.74 77 18

Best Double Couple:Mo-5.9*10**17NP1:Strike- 27 Dip-46 Slip- -72NP2: 182 47 -107

26 11 44 50.28 36.394N 71.238E 87km5.1mb ( 70 obs. )AFGHANISTAN-TAJIKISTAN BORD REG.CENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 25S, 38CCent ro i d Locat i on:Origin Time 1 1 : 44:55.4 0.3Lot 36.22N 0.04 Lon 70.78E 0.03Dep 93.8 2.1 Half-duration 1.1P r i nc i pa I Axes:

Scale 10**16 Nm T Vol- 12.85 Pig-62 Azm- 63 N 2.41 23 207 P -15.26 14 304

Best Double Coup Ie:Ma-1 - 4*10** 17 NP1.Strike- 63 Dip-37 Slip- 132 NP2: 195 63 64

26 14 57 38.81 1.011S 78.064W 12km 5.8mb ( 73 obs.) 5.4Msz ( 29 obs.) ECUADORFAULT PLANE SOLUTION: P-Woves NP1:Strike-286 Dip-85 Slip- -10 NP2: 17 80 -175

Pr i nc i pa I Axes:T Pig- 3 Azm-332 P 11 241

Comment: The focal mechanism is moderotely well controlled and corresponds to strike sIip faulting with o small normal component. The preferred fault plane is not determined.



Sea Ie 10**17 Nm T Vol- 8.19 Pig-10 Azm-339 N 0.32 67 94 P -8.51 20 245

Best Double Coup Ie:Ma-8.3*10** 17 NPl:Strike- 23 Dip-68 Slip 173 NP2: 291 83 -22

CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 25S, 58C Centraid Location: Origin Time 14:57:42.2 0.3 Lot 1.15S 0.03 Lan 77.92W 0.03 Dep 15.0 FIX Half-duration 2.1 Pr i nc i pa I Axes:

Scale 10**17 NmT Vol- B.29 Pig-38 Azm-170N -2.59 44 310P -5.70 22 62

Best Double Coup Ie:Mo-7.0* 10** 17NP1:Strike-200 Dip-46 Slip- 166NP2: 300 80 45

26 19 14 25.75 32.457S 178.282W 10km 5.5mb ( 15 obs.) 5.5Msz ( 4 obs.) SOUTH OF KERMADEC ISLANDS CENTROID, MOMENT TENSOR (HRV) Data Used: GDSN L.P.B.: 16S, 29C Cent raid Locat ion: Or igin T ime 19:14:34.5 0.5 Lot 32.12S 0.07 Lon 178.31W 0.05 Dep 15.0 FIX Half-duration 3.4 Pr i nc i pa I Axes:

PAGE 25 DEC 1992

Scole 10**17 MmT Vol- 3.47 Pig-59 Azm-268N 8.28 8 11P -3.76 30 105


26 19 52 24.90 e.564S 19.318W 27km 5.8mb ( 78 obs.) 6.2Msz ( 38 obs.) CENTRAL MID-ATLANTIC RIDGE FAULT PLANE SOLUTION: P-Woves NP1:Strike-165 Dip-89 Slip- e NP2: 255 90 181

Pr i nc i pol Axes:T PIg- 1 Azm- 30 P 1 120

Comment: The focol mechonism is we I I cont rot led and corresponds to strike-slip faulting. The preferred fault plane is not determined.

MOMENT TENSOR SOLUTION Dep 22 No. of sto: 7 Pr i nc i pa I Axes:

Scole 10**19 Nm T Vol- 1.23 Pig- 4 Azm-211 N -0.05 86 62 P -1.18 2 301

Best Double Coup Ie.Mo-1.2*10**19 NP1:Strike-346 Dip-86 Slip- 1 NP2: 256 89 176

CENTROID, MOMENT TENSOR (HRV) Doto Used: GDSN

M.W.: 22S, 49C Cent ro i d Locot i on: Origin Time 19.52:45.9 0.2 Lot 0.09S 0.01 Lon 18.76W 0.01 Dep 15.0 FIX Half-duration 5.1 Pr i nc i pa I Axes:

Scole 10**19 Nm T Vol- 1.72 Pig- 0 Azm-215 N 0.04 90 180 P -1.76 0 125

Best Double Coup Ie:Mo-1.7*10** 19 NP1 :St r i ke-260 Dip-90 Slip 180 NP2: 350 90 0

27 21 49 04.47 6.087S 113.050E 601km 5.9mb (102 obs.) JAWA, INDONESIAFAULT PLANE SOLUTION: P-Woves NPl:Strike-120 Dip-68 Slip- -80 NP2: 275 24 -113

Pr i nc i pa I Axes:T Pig-22 Aim-202 P 66 47

Comment: The focol mechanism is moderately well controlled and corresponds to normal faulting with a small right-lateral strike-slip component. The preferred fault plane is NP1.

RADIATED ENERGYNo. of sta: 5 Focol mech. F Energy 5.8±1.5»10»»12 Nm

CENTROID. MOMENT TENSOR (HRV) Doto Used: GDSN L.P.B.: 25S. 56C Cent raid Locot i on:Or igin Time 21:49: 8.7 0.2 Lot 6.03S 0.02 Lon 113.10E 0.03 Dep 621-5 1.7 Half-duration 2.4 Pr i nc i pol Axes:


Best Double Coup Ie:Mo-9.7*10** 17NP1:Strike-250 Dip-29 Slip 131NP2: 115 68 -70

28 08 45 42.64 26.070N 67.299E 44km 5.3mb (100 obs.) 4.8Msz ( 11 obs.) PAKISTANCENTROID, MOMENT TENSOR (HRV) Doto Used: GDSN L.P.B.: 7S. 11C Cent ro i d Locot i on: Origin Time 08:45:44.2 1.4 Lot 26.59N 0.18 Lon 67.42E 0.17 Dep 33.0 FIX Half-duration 1.0 Pr i nc i pa I Axes:

Scole 10**16 NmT Val- 6.80 Pig-53 Azm- 0N -1.01 28 226P -5.79 23 124

Best Double Coup Ie:Mo-6.3*10»*16NPl:Strike-173 Dip-33 Slip- 32NP2: 56 73 119

28 10 34 38.14 38.885N 142.388E 27km 4.9mb ( 53 abs.) 4.8Msz ( 5 obs.) NEAR EAST COAST OF HONSHU, JAPAN CENTROID, MOMENT TENSOR (HRV) Doto Used: GDSN L.P.B.: 9S, 13C Centroid Location: Origin Time 10:34:41.91.4 Lot 38.85N FIX;Lon 142.45E FIX Dep 22.811.2 Half-duration 1.0 Pr i nc i pa I Axes:

Scole 10*»16 Nm T Vol- 10.01 Pig-47 Azm-231 N 1.74 29 359 P -11.75 28 106

Best Double Cauple:Mo-1.1 *10»*17 NPl:Strike-244 Dip-31 Slip- 159 NP2: 352 79 60

29 01 57 22.58 0.012N 122.914E 185km5.4mb ( 71 abs.)MINAHASSA PENINSULA, SULAWESICENTROID, MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 22S, 27CCent ro i d Locot i an:Or igin Time 01:57:26.2 0.7Lot 0.07N 0.05 Lon 123.29E 0.07Dep 183.0 2.6 Half-duration 1.3Pr i nc i pa I Axes:

Scale 10»»17 Nm T Vol- 1.62 Pig-69 Azm-270 N 0.26 6 165 P -1.88 20 72

Best Double Couple:Mo-1.8«10** 17 NPl :Strike-152 Dip-25 Slip- 76 NP2: 347 66 96

29 20 31 43.45 31.690S 67.309W 131km5.1mb ( 21 obs. )SAN JUAN PROVINCE. ARGENTINACENTROID, MOMENT TENSOR (HRV)Doto Used: GDSNL.P.B.: 7S, 10CCent ro i d Locot i on:Origin Time 20:31:48.3 0 . 8Lot 31.55S 0.11 Lon 67.15W 0.13Dep 144.4 4.6 Half-duration 1.4Pr i nc i poI Axes:

Scale 10»»16 NmT Vol- 15.43 Pig-21 Azm- 65 N -2.90 9 159 P -12.53 67 272

Best Double Coup Ie:Mo-1.4*10** 17 NP1 :Str i ke-139 Dip-26 Slip 112 NP2: 343 66 -80

29 21 17 31.81 9.295S 123.987E 95km 5.5mb ( 68 obs. )TIMOR REGION. INDONESIA CENTROID, MOMENT TENSOR (HRV)Doto Used: GDSN L.P.B.: 14S, 17C Cent ro i d Locot ion:Origin Time 21:17:35.2 0.6Lot 9.08S 0.06 Lon 124.17E 0.05Dep 92.6 4.8 Half-duration 1.0Pr i nc i pa I Axes:

Scole 10«*17 NmT Val- 1.83 Pig-28 Azm-301N 0.09 12 205P -1.93 60 94

Best Double Coup Ie:Mo-1.9*10** 17NP1:Strike- 59 Dip-20 Slip- -54NP2: 202 74 -102

30 04 30 13.13 20.243S 68.074E 17km 5.3mb ( 62 obs.) 5.0Msz ( 16 obs.) MID-INDIAN RIDGECENTROID, MOMENT TENSOR (HRV) Doto Used: GDSN L.P.B.: 17S, 22C Centroid Location: Or igin T ime 04:30:19.4 0 6 Lot 20.08S 0.07 Lon 67.74E 0.08

Dep 15.0 FIX Half-duration 1.1 Pr i nc i pol Axes:


Best Double Coup Ie:Mo-1.2*10**17 NPl:Strike-152 Dip-60 Slip- 5 NP2: 59 86 150

30 06 25 26.67 7.986S 159.041E 50km5.6mb ( 71 obs.)SOLOMON ISLANDSCENTROID. MOMENT TENSOR (HRV)Data Used: GDSNL.P.B.: 26S. 53CCent ro i d Locot i on:Origin Time 06:25:30.1 0.4Lot 7.96S 0.04 Lon 159.40E 0.03Dep 37.4 2.0 Half-duration 1.4Pr i nc i pal Axes:


Best Double Coup Ie:Mo-3.0*10*»17 NPl:Strike-292 Dip-21 Slip- -63 NP2: 84 71 -100

31 01 28 10.48 6.739N 72.962W 167km4.9mb ( 69 abs.)NORTHERN COLOMBIACENTROID, MOMENT TENSOR (HRV)Doto Used: GDSNL.P.B.: 9S. 11CCent ro i d Locot ion:Origin Time 01:28:14.6 1.8Lot 6.74N 0.15 Lon 72.96W 0.10Dep 154.3 2.6 Half-duration 1.0Pr i nc i poI Axes:

Scole 10**16 NmT Vol- 6.66 Pig-66 Azm- 35 N -0.28 22 194 P -6.38 8 287


31 07 02 44.28 38.849N 142.384E 37km 5.5mb (123 obs.) 5.1Msz ( 24 obs.) NEAR EAST COAST OF HONSHU, JAPAN CENTROID. MOMENT TENSOR (HRV) Doto Used: GDSN L.P.B.: 14S. 20C Cent ro i d Locot i on: Origin Time 07:02:47.2 0.7 Lot 38.98N 0.08 Lon 142.68E 0.10 Dep 26.3 5.7 Half-duration 1.3 P r i nc i poI Axes:

Scole 10**16 Nm T Vol- 13.19 Pig-46 Azm-218 N -1.02 37 1 P -12.17 19 106


31 07 26 06.25 38.902N 142.421E 39km 5.4mb (115 obs.) 5.5Msz ( 39 obs.) NEAR EAST COAST OF HONSHU, JAPAN CENTROID, MOMENT TENSOR (HRV) Doto Used: GDSN L.P.B.: 20S, 36C Cent ro i d Locot i on: Origin Time 07:26: 8.0 0.4 Lot 38.83N 0.04 Lon 142.70E 0.06 Dep 16.3 3.9 Half-duration 1.6 Pr i nc i pol Axes:

Scole 10»»17 Nm T Vol- 5.11 Pig-39 Azm-219 N 0.10 39 350 P -5.21 27 104


31 20 17 08.64 32.015S 178.025W 16km 5.8mb ( 43 obs.) 6.3Msz ( 50 obs.) SOUTH OF KERMADEC ISLANDS FAULT PLANE SOLUTION: P-Woves NP1:Strike-335 Dip-70 Slip- 90 NP2: 155 20 90

Pr i nc i pal Axes:

DEC 1992 PAGE 26

T Pig-65 Azm-245 P 25 65


RADIATED ENERGYNo. of sto: 11 Focol mech. F Energy 1.4±0.4»10»»13 Nm

MOMENT TENSOR SOLUTIONDep 34 No. of sto: 8Pr i nc i poI Axes :

Scole 10*»18 NmT Vol- 4.11 Pig-62 Azm-296 N -0.12 13 181 P -4.00 24 85

Best Double Coup Ie:Mo-4.1»10**18 NP1:Strike-149 Dip-24 Slip- 56 NP2: 5 71 104

CENTROID, MOMENT TENSOR (HRV)Dato Used: GDSNL.P.B.: 19S. 49CCent raid Locot i on:

Origin Time 20:17:13.8 0.2 Lot 32.23S 0.02 Lon 177.66W 0.02 Dep 15.0 FIX Half-duration 3.5 Pr i nc i pa I Axes:


Best Double Coup Ie:Mo-3.9»10*»18NP1:Strike-217 Dip-24 Slip- 116NP2: 8 68 79

Compiled by Pingsheng Chang, Will is S. Jacobs, Stuart K. Koyanagi, Christina K. Lovonne, John H. Woverly J. Person, Bruce W. Presgrove and William H. Schmieder.

Minsch, Russell E. Needham.

PAGE 27

07 December 1992 02:11:42.39 Kuril Islands

PAB (LHZ)P x9

GRFO (LHZ)t

BJI (LHZ)P x2 V '

LZH (LHZ)P x5 '

ENH (LHZ)

RSNY (LHZ)P x8

WMOK (LHZ)P x3

ANMO (LHZ)P x4

WDC (LHZ)P x4

(BHZ)

ISA (LHZ)P x5

RAR (LHZ)P x5 '

Time (min)01234

Time (min)

12 December 1992 05:29:26.35 Flores Region, Indonesia

SSE (LHZ)P x2

HIA (LHZ)P x3 V '

pQIZ (LHZ)

KMI (LHZ)

CHTO (BHZ)

(LHZ)

WMQ (BHZ)

PABPdiff xl32

440:t

0

M and B0 1 2

Time (min)

TATO (LHZ) p v '

(BHZ)

(BHZ)

YSS (LHZ)P x8

KONO (LHZ)Pdiff x50

KIP (LHZ)P x!7

(LHZ)

BDF (LHZ)PKPdf x8

440

01234

Time (min)

PAGE 28

19 December 1992 12:14:22.08 Near East Coast of Kamchatka

RSSD (LHZ)P x4

RSNY (LHZ)P ...

CBM (LHZ)

PAB (LHZ)P x4 '

HRV (LHZ)P x4 V '

CCM (LHZ)P x4 V '

CHTO (LHZ)P x2 v '

MIAR (LHZ)P x4 '

ZOBOJLHZ)

COL (LHZ)P x2

COL (BHZ)P '

WDC (LHZ)P x4 V '

CMB (LHZ)P x4

CMB (BHZ)P x2

TUC (LHZ)P x4 V '

(BHZ)

M and B

0 1

Time (min)01234

Time (min)

20 December 1992 20:52.47.28 Banda Sea

RSSD (LHZ)Pdiff x357

YSS (BHZ)P x92 '

YSS (LHZ)P x!7 v

COL (BHZ)P x33

CHTO (LHZ)P xll '

KONO (LHZ)Pdiff xi 45

PAB (LHZ)Pdiff xfees

ZOBOXI(BLHZ)

M and B1 I I I T T 1 '. I

0 1 2Time (min)

TAU (LHZ) p xis v '

390^

0123

Time (min)

PAGE 29

24 December 1992 00:34:13.81 Tonga Islands

ISA (LHZ)P x3 V '

CMB (LHZ)P x3 V '

LON (LHZ)P x4 V '

PAS (LHZ)" xc

MAJO (BHZ)P x2 '

RSSD (LHZ)P x? '

GOL (LHZ)P x20

0 1 2Time (min)

SBC (LHZ)P

SBC (BHZ)

(LHZ)

PFO (LHZ)P x3

TUC (LHZ)*

RAR (LHZ)Pn xl v x

01334

Time (min)

31 December 1992 20:17:08.64 South of Kermadec Islands

WDC (LHZ)P x9 '

YSS (LHZ)P x5

YSSJBHZ)

MAJO (BHZ)

XAN (BHZ)Pdiff xfe

KONOx6(LHZ)

CMB (LHZ)P x8 V 7

L M and BT i i r-

0 1 2

Time (min)

SBC (LHZ)

SPA (LHZ)P x5 '

15

PAS (LHZ)

-^wVV Â/ RAR (LHZ)

-w\/Vv p^W^2)

CCM (LHZ)Pdiff x4l

CEH (LHZ)Pdiff xh

1234Time (min)

Eart

hq

uak

e F

oca

l M

echan

ism

s fo

r D

ecem

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19

92

60°E

90°E

12

0°E

15

0°E

18

0C

150°

W

120°

W

90°W

60

°W30

°W

60

°N-

30

°N-

30

°S-

EXPL

ANAT

ION

SYM

BOL

DEPT

H (

km)

O

< 70

D

70

-30

0A

>

300

«M

j)

- 60

°N

- 30

°N

- 30

°S

- 60

°S

60°E

90°E

12

0°E

15

0°E

180

C15

00-W

120°

W 90°W

60°W

30

°W

160° 170° 180° 170° 160° 150°

Earthquake epicenters in Alaska and adjacent regions for December, 1992.

75° 70°

45°

O Magnitude <5.<J O Magnitude 5.0-5.9

Earthquake epicenters in the conterminous United States and adjacent regions for December, 1992.

EXPL

ANAT

ION

_,_

-

Dep

th

^ ,

< 70

km

70

-300

km

>

300

km

x D

A M

agni

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<6.

0 X

D

A

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agni

tude

6.0

-6.9

X

CD

A

M

agni

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7.0

-7.9

2000

4000

km

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akes

loca

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in D

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1992

.*U

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GO

VE

RN

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PR

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FIC

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38-9

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