Earthquake Source Model Database
Model/Event tag: s1989LOMAPR01WALD             Old event tag: s1989LOMAPRwald
 
Event
Author Location Date Latitude (°N) Longitude (°E) Depth (km) Flinn-Engdahl region
Wald et al. (1991) Loma Prieta (Calif.) Oct 18, 1989 37.0410 -121.8830 17.60 Central California, United States
Source parameters
Magnitude
(Mw) 		Seismic moment
(Nm)		 Strike
(°)		 Dip
(°)		 Rake
(°) 		Length
(km)		 Width
(km)		 Htop
(km)		 Hypocenter (km) Avg rise time
(s)		 Avg rupture speed
(km/s)
x z
6.94 2.89E+19 128.00 70.00 143.83 40.00 20.00 1.50 20.00 17.30 1.90 2.70
Inversion data
Data type SGM TELE TRIL LEVEL GPS INSAR SURF OTHER
NoS 16 16 0 0 0 0 0 0
PHImax 80 27 0 0 0 0 0 0
Rmin 5.10 31.80 0.00 0.00 0.00 0.00 0.00 0.00
Inversion-related parameters
Grid Inversion time window
NSEG dx (km) dz (km) SVF NW Length (s) Overlap (s) Fmin (Hz) Fmax (Hz)
1 3.33 km 2.50 km triang 3 0.70 0.10 0.10 1.00
Note: value = 0 indicates non-applicable parameter; value = -99 indicates spatially variable; value = 999 indicates currently unknown although expected.
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