E ! ( E ! ( ! ( ! ( ! ( ! ( ! ( ! ( E ! ( ! ( ! ( E E ! ( ! ( E ! ( E E ! ( ! ( E ! ( E ! ( E ! ( ! ( ! ( ! ( ! ( ! ( ! ( E ! ( E ! ( E E EE ! ( E E ! ( E ! ( E ! ( E ! (! ( ! ( ! ( E E ! (E E ! ( E E ! ( E E E ! ( E ! ( E E ! ( E ! ( ! ( ! ( E E ! ( ! ( ! ( ! ( ! ( E ! ( ! ( ! ( E E E ! ( E E ! ( E ! ( E ! ( ! ( E ! ( ! ( E E ! ( ! ( EE ! ( E E E EE E ! ( E ! ( E ! ( E EE E ! ( E ! ( E ! ( ! ( E ! ( EE ! ( ! ( E ! (! ( E ! ( EE ! ( E ! ( E EE E ! ( ! ( E E ! ( E ! ( EEE ! ( EEE E E ! ( ! ( E ! ( E ! ( E ! ( E ! ( ! ( E ! ( E E ! ( EE E ! ( EEE E E E ! ( E ! ( ! ( E ! ( ! ( EE E ! ( E E E E E ! ( E ! ( ! ( EE ! (! ( ! ( ! ( E ! (! ( ! ( E E ! ( E E ! ( EE ! ( EE ! ( EE ! ( E E ! ( E ! ( ! ( E E E ! ( ! ( E ! ( E ! ( E E E E ! ( ! ( EE EE ! ( ! ( ! (E ! ( ! (E ! ( ! ( ! ( E ! ( EE ! ( ! ( E ! ( E E ! ( ! ( E E ! ( ! ( E ! ( E E ! ( ! ( EE ! ( ! ( E ! (! ( E E E E E E E ! ( E ! ( ! ( E E ! ( E E ! ( E ! ( E ! ( ! ( E EE E E ! ( E E ! ( ! ( ! ( E E E E ! ( ! ( ! ( ! ( E E E E ! ( ! (! ( E E E ! ( EE E E E ! ( E ! ( E ! ( E ! ( E E E ! ( E ! ( E ! ( ! ( ! (! ( E ! ( ! ( ! ( ! ( ! ( ! ( 1972 (M4.1) 1937 (M4.0) 1971 (M4.1) 1927 (M4.0) 2005 (M4.1) 1970 (M4.4) 2005 (M4.1) 2003 (M4.0) 1996 (M4.3) 1966 (M4.3) 1955 (M4.0) 1811 (M7.5) 1976 (M4.5) 1976 (M5.0) 1843 (M6.0) 1923 (M4.0) 1924 (M4.0) 1880 (M4.0) § ¨ ¦ 40 § ¨ ¦ 40 § ¨ ¦ 55 § ¨ ¦ 55 § ¨ ¦ 55 ¡ ¢ 64 ¡ ¢ 70 ¡ ¢ 61 ¡ ¢ 63 ¡ ¢ 63 ¡ ¢ 63 ¡ ¢ 49 ¡ ¢ 49 ¡ ¢ 49 £ ¤ 412 £ ¤ 412 ¡ ¢ 62 ¡ ¢ 67 ¡ ¢ 62 ¡ ¢ 67 ¡ ¢ 61 R i d g e C r o w l e y s Lawrence County Manila Jonesboro Paragould Gilmore Blytheville West Memphis Wynne Piggott Corning Marked Tree Clay County Mississippi County Greene County Poinsett County Craighead County Cross County Crittenden County Randolph County ( N Although this map was compiled from digital data that was successfully processed on a computer system using ESRI ArcGIS 9.x software at the Arkansas Geological Survey (AGS), no warranty, expressed or implied, is made by the AGS regarding the unity of the data on any other system, nor shall the act of distribution constitute any such warranty. The AGS does not guarantee this map or digital data to be free of errors or liability for interpretations from this map or digital data, or decisions based thereof. The views and conclusions contained in this document are those of the authors and should not be interpreted as necessarily representing the official policies, either expressed or implied, of the Arkansas Geological Survey. The 5M DEM base used in the making of this map was acquired at the Spatial Analysis Laboratory, University of Arkansas, Monticello and some of the other Feature Class Data was acquired at the GeoStor online. Disclaimer GH-EQ-NMSZ-005 Arkansas Missouri Illinois Kentucky Tennessee NMSZ Arkansas Department of Emergency Management has designated 34 counties (shaded in pink) as the New Madrid seismic zone catastrophic planning area. The New Madrid seismic zone (NMSZ) is shaded in purple. The area covered by this map is shaded in blue. About the Map Area covered by map We extend our appreciation to John David McFarland III for compiling the original earthquake database used to make this map and for sharing his knowledge of Arkansas seismicity. We would also like to thank the Center for Earthquake Research and Information (CERI) at the University of Memphis for seismic data used to generate this map. Acknowledgments New Madrid Seismic Zone Of Northeast Arkansas By Scott M. Ausbrooks and Erica Doerr Digital compilation by Jerry W. Clark Arkansas Geological Survey, Bekki White, State Geologist 2008 Johnston A., and Schweig, E., 1996, The Enigma of the New Madrid earthquakes of 1811-1812: Annual Review, Earth and Planetary Sciences, Vol. 24, p. 339-384. Jackson, K. C., 1979, Earthquakes and earthquake history of Arkansas: Arkansas Geological Commission, Information Circular no. 26. Nuttli, O. T., 1982, Investigations of the New Madrid Earthquake Regions: Damaging Earthquakes of the Central Mississippi Valley, Geological Survey, Professional Paper 1236-B. References Earthquake Magnitudes E ! ( ! ( ! ( ! ( ! ( ! ( 0.0 - 1.9 2.0 - 2.9 3.0 - 3.9 4.0 - 4.9 5.0 - 5.9 6.0 - 6.9 7.0 + Symbols Interstate Highways US Highways County Boundary Incorporated Areas Map Boundary § ¨ ¦ 55 ¡ ¢ 62 10 0 10 20 30 40 50 5 Miles 10 0 10 20 30 40 50 5 Kilometers Revision: 08 December 2008 This map depicts the locations and magnitudes of selected seismic events in New Madrid seismic zone of Northeast Arkansas. On December 16, 1811 residents living in the region near New Madrid, Missouri were jolted awake at 2:15 AM by a major earthquake. Cabins collapsed, people were frightened, and the land surface was severely changed by liquefaction. The shaking was felt over approximately 2 million 2 mi (3,219,000 2 km ) and as far away as New England and Canada. Scientists estimate that this event measured over a magnitude 7.0 (Johnston and Schweig, 1996). This marked the first of a series of powerful earthquakes that spanned a three-month period. Hundreds of aftershocks were reported for over a year. Since that time, at least 20 damaging earthquakes have occurred in the NMSZ (Nuttli, 1982). An estimated magnitude 6.0 earthquake was reported near the town of Marked Tree, Arkansas on January 4, 1843. This earthquake caused the land to subside forming new lakes and did damage to chimneys and brick structures (Jackson, 1979). A magnitude 5.0 earthquake was recorded on March 24, 1976 in Poinsett County. This earthquake was felt over an area of 174, 000 2 mi (280,000 2 km ) bounded by Centralia, Illinois; Hopkinsville, Kentucky; Nashville and Clifton, Tennessee; Birmingham, Alabama; Little Rock, Arkansas; and Jefferson City, Missouri. In Arkansas, multiple cities reported an Intensity VI. Damage reports included; power outages and downed telephone lines in Jonesboro, broken windows in Paragould, cracked plaster in Marked Tree, and roof damage and fallen ceiling tiles in Decatur, Arkansas (Jackson, 1979). The most recent events to rattle the residents of northeast Arkansas were felt near the towns of Caraway and Manila, Arkansas in Poinsett County in 2005. Both of these earthquakes registered a magnitude 4.1 with an Intensity V. Although significant damage has not been reported in recent years, the NMSZ is still considered active and is potentially capable of generating powerful earthquakes.
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Transcript
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1972 (M4.1)
1937 (M4.0)1971 (M4.1)
1927 (M4.0)
2005 (M4.1)
1970 (M4.4)
2005 (M4.1)
2003 (M4.0)
1996 (M4.3)1966 (M4.3)
1955 (M4.0)1811 (M7.5)
1976 (M4.5)
1976 (M5.0)
1843 (M6.0) 1923 (M4.0)
1924 (M4.0)1880 (M4.0)
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LawrenceCounty
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GreeneCounty
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CraigheadCounty
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Although this map was compiled from digital data that was successfully processed on a computer system using ESRI ArcGIS 9.x software at the Arkansas Geological Survey (AGS), no warranty, expressed or implied, is made by the AGS regarding the unity of the data on any other system, nor shall the act of distribution constitute any such warranty. The AGS does not guarantee this map or digital data to be free of errors or liability for interpretations from this map or digital data, or decisions based thereof. The views and conclusions contained in this document are those of the authors and should not be interpreted as necessarily representing the official policies, either expressed or implied, of the Arkansas Geological Survey. The 5M DEM base used in the making of this map was acquired at the Spatial Analysis Laboratory, University of Arkansas, Monticello and some of the other Feature Class Data was acquired at the GeoStor online.
Disclaimer
GH-EQ-NMSZ-005
ArkansasMissouri
Illinois
Kentucky
Tennessee
NMSZ
Arkansas Department of Emergency Management hasdesignated 34 counties (shaded in pink) as the New Madridseismic zone catastrophic planning area. The New Madridseismic zone (NMSZ) is shaded in purple. The area coveredby this map is shaded in blue.
About the Map
Area covered by map
We extend our appreciation to John David McFarland III for compiling the original earthquake database used to make this map and for sharing his knowledge of Arkansas seismicity. We would also like to thank the Center for Earthquake Research and Information (CERI) at the University of Memphis for seismic data used to generate this map.
Acknowledgments
N e w M a d r i d S e i s m i c Z o n e O f N o r t h e a s t A r k a n s a sB y S c o t t M . A u s b r o o k s a n d E r i c a D o e r rD i g i t a l c o m p i l a t i o n b y J e r r y W . C l a r k
A r k a n s a s G e o l o g i c a l S u r v e y , B e k k i W h i t e , S t a t e G e o l o g i s t2 0 0 8
Johnston A., and Schweig, E., 1996, The Enigma of the New Madrid earthquakes of 1811-1812: Annual Review, Earth and Planetary Sciences, Vol. 24, p. 339-384. Jackson, K. C., 1979, Earthquakes and earthquake history of Arkansas: Arkansas Geological Commission, Information Circular no. 26. Nuttli, O. T., 1982, Investigations of the New Madrid Earthquake Regions: Damaging Earthquakes of the Central Mississippi Valley, Geological Survey, Professional Paper 1236-B.
References
Earthquake MagnitudesE
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0.0 - 1.9
2.0 - 2.9
3.0 - 3.9
4.0 - 4.9
5.0 - 5.9
6.0 - 6.9
7.0 +
SymbolsInterstate Highways
US Highways
County Boundary
Incorporated Areas
Map Boundary
§̈¦55
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10 0 10 20 30 40 505Miles
10 0 10 20 30 40 505Kilometers
Revision: 08 December 2008
This map depicts the locations and magnitudes of selected seismic events in New Madrid seismic zone of Northeast Arkansas. On December 16, 1811 residents living in the region near New Madrid, Missouri were jolted awake at 2:15 AM by a major earthquake. Cabins collapsed, people were frightened, and the land surface was severely changed by liquefaction. The shaking was felt over approximately 2 million 2mi (3,219,000 2km ) and as far away as New England and Canada. Scientists estimate that this event measured over a magnitude 7.0 (Johnston and Schweig, 1996). This marked the first of a series of powerful earthquakes that spanned a three-month period. Hundreds of aftershocks were reported for over a year. Since that time, at least 20 damaging earthquakes have occurred in the NMSZ (Nuttli, 1982). An estimated magnitude 6.0 earthquake was reported near the town of Marked Tree, Arkansas on January 4, 1843. This earthquake caused the land to subside forming new lakes and did damage to chimneys and brick structures (Jackson, 1979). A magnitude 5.0 earthquake was recorded on March 24, 1976 in Poinsett County. This earthquake was felt over an area of 174, 000 2mi (280,000 2km ) bounded by Centralia, Illinois; Hopkinsville, Kentucky; Nashville and Clifton, Tennessee; Birmingham, Alabama; Little Rock, Arkansas; and Jefferson City, Missouri. In Arkansas, multiple cities reported an Intensity VI. Damage reports included; power outages and downed telephone lines in Jonesboro, broken windows in Paragould, cracked plaster in Marked Tree, and roof damage and fallen ceiling tiles in Decatur, Arkansas (Jackson, 1979). The most recent events to rattle the residents of northeast Arkansas were felt near the towns of Caraway and Manila, Arkansas in Poinsett County in 2005. Both of these earthquakes registered a magnitude 4.1 with an Intensity V. Although significant damage has not been reported in recent years, the NMSZ is still considered active and is potentially capable of generating powerful earthquakes.
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