Preliminary Models for PGA and 1-Sec Spectral Acceleration B. Chiou and R. Youngs (NGA Workshop, December 3, 2004)
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Preliminary Models for PGA and 1-Sec Spectral Acceleration
B. Chiou and R. Youngs
(NGA Workshop, December 3, 2004)
)ln(ln
)ln()1130/ln(lnln
2241
4213
Hrccy
yeVyy
cldref
refV
SrefS
0.1
0.3
0.5
1
3
5
10
0.01 0.03 0.1 0.3 1
Reference Motion
Am
plif
ica
tion
Fa
cto
r
Peak Ground Acceleration
Vs30 (m/sec)152270560
7501130
EPRI Soil ModelPGA
0.1
0.3
0.5
1
3
5
10
0.01 0.03 0.1 0.3 1
Reference Motion
Am
plif
ica
tion
Fa
cto
r
Peak Ground Acceleration
Vs30 (m/sec)270560
7501130
Peninsular Range Soil ModelPGA
0.1
0.3
0.5
1
3
5
10
0.01 0.03 0.1 0.3 1
Reference Motion
Am
plif
ica
tion
Fa
cto
r
Sa [T=1.0sec]
Vs30 (m/sec)152270560
7501130
EPRI Soil ModelSa [T=1.0sec]
0.1
0.3
0.5
1
3
5
10
0.01 0.03 0.1 0.3 1
Reference Motion
Am
plif
ica
tion
Fa
cto
r
Sa[T=1.0sec]
Vs30 (m/sec)270560
7501130
Peninsular Range Soil ModelSa [T=1.0sec]
-1
0
1
2
4 5 6 7 8
Kern County
Tabas, Iran
Cape Mendocino
Landers
Gulf of Aqaba
Kocaeli, Turkey
Chi-Chi, Taiwan
Duzce, Turkey
Sitka, AlaskaCaldiran, Turkey
Manjil, Iran
Hector Mine
Denali, Alaska
Mag
c1 o
f T0
.01
0S
Coseismic Surface Rupture
No Yes Unknown
PGABefore
1.5
2.0
2.5
4 5 6 7 8
Kern County
Tabas, Iran
Cape Mendocino
Landers
Gulf of Aqaba
Kocaeli, Turkey
Chi-Chi, Taiwan
Duzce, Turkey
Sitka, Alaska
Caldiran, Turkey
Manjil, Iran
Hector Mine
Denali, Alaska
Mag
c1 o
f T0
.01
0S
Coseismic Surface Rupture
No Yes Unknown
PGAAfter
-3
-2
-1
0
1
4 5 6 7 8
Kern County
Tabas, Iran
Cape Mendocino
LandersGulf of Aqaba
Kocaeli, Turkey
Chi-Chi, Taiwan
Duzce, Turkey
Sitka, Alaska
Caldiran, Turkey
Manjil, Iran
Hector Mine
Denali, Alaska
Mag
c1 o
f T1
.00
0S
Coseismic Surface Rupture
No Yes Unknown
Sa [T=1.0sec]Before
4.4
4.6
4.8
5.0
5.2
5.4
5.6
4 5 6 7 8
Kern County
Tabas, Iran
Cape Mendocino
Landers
Gulf of AqabaKocaeli, Turkey
Chi-Chi, Taiwan
Duzce, Turkey
Sitka, Alaska
Caldiran, Turkey
Manjil, Iran
Hector Mine
Denali, Alaska
Mag
c1 o
f T1
.00
0S
Coseismic Surface Rupture
No Yes Unknown
Sa [T=1.0sec]After
-1.8
-1.6
-1.4
-1.2
-1.0
-0.8
4 5 6 7 8
0030
0077
0118
0129
0136
0137
0148
0149
0151
0163
0167
Mag
C4
of T
0.0
10
SCoseismic Surface Rupture
No Yes Unknown
PGABefore
-1.4
-1.2
-1.0
-0.8
-0.6
-0.4
4 5 6 7 8
0118
01250126
0143
0148
0149
0151
0172
0173
Mag
C4
of T
1.0
00
SCoseismic Surface Rupture
No Yes Unknown
Sa [T=1.0sec]Before
1.5
2.0
2.5
4 5 6 7 8
SOF
4 5 6 7 8
SOF
Mag
C1
of T
0.0
10
SMechanism
SSNM
RVRV-OB
NM-OBUnknown
Sa [T=1.0sec]Style-of-Faulting Effect
4.4
4.6
4.8
5.0
5.2
5.4
5.6
4 5 6 7 8
SOF
4 5 6 7 8
SOF
Mag
C1
of T
1.0
00
SMechanism
SSNM
RVRV-OB
NM-OBUnknown
Sa [T=1.0sec]Style-of-Faulting Effect
1.6
1.8
2.0
2.2
2.4
2.6
2.8
5 10 15 20 25 30
HypDepth
C1
of T
0.0
10
SMagnitude
4.5+ thru 5.05.0+ thru 5.55.5+ thru 6.0
6.0+ thru 6.56.5+ thru 7.07.0+ thru 7.5
7.5+ thru 8.0
Peak Ground Acc.Hypocenter Depth Effect
4.0
4.2
4.4
4.6
4.8
5.0
5.2
5 10 15 20 25 30
HypDepth
C1
of T
1.0
00
SMagnitude
4.5+ thru 5.05.0+ thru 5.55.5+ thru 6.0
6.0+ thru 6.56.5+ thru 7.07.0+ thru 7.5
7.5+ thru 8.0
Sa [T=1.0 sec]Hypocenter Depth Effect
-1
0
1
0 1000 2000 3000
Z1.5
Re
sid
ua
lsPeak Ground Acc.Z1.5 Effect
-1
0
1
0 1000 2000 3000
Z1.5
Re
sid
ua
lsSa [T=1.0sec]Z1.5 Effect
1.6
1.8
2.0
2.2
2.4
2.6
2.8
1 10
I(AspectRatio)
c1
SSNM
RVRV-OB
NM-OBUnknown
Peak Ground Acc.Fault Aspect Ratio Effect
3.4
3.6
3.8
4.0
4.2
4.4
4.6
4.8
1 10
I(AspectRatio)
c1
SSNM
RVRV-OB
NM-OBUnknown
Sa [T=1.0sec]Fault Aspect Ratio Effect
1.6
1.8
2.0
2.2
2.4
2.6
2.8
100 1000
I(Length * Width)
C1
of T
0.0
10
SMagnitude
4.5+ thru 5.05.0+ thru 5.55.5+ thru 6.0
6.0+ thru 6.56.5+ thru 7.07.0+ thru 7.5
7.5+ thru 8.0
Peak Ground Acc.Fault Area Effect
3.6
3.8
4.0
4.2
4.4
4.6
100 1000
I(Length * Width)
C1
of T
1.0
00
SMagnitude
4.5+ thru 5.05.0+ thru 5.55.5+ thru 6.0
6.0+ thru 6.56.5+ thru 7.07.0+ thru 7.5
7.5+ thru 8.0
Sa [T=1.0sec]Fault Area Effect
0.1
0.3
0.5
1
3
5
10
0.01 0.03 0.1 0.3 1
Reference Motion
Am
plif
ica
tion
Fa
cto
r
Peak Ground Acc.
Vs30 (m/sec)152270560
75011302230
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