Earthquake Source Model Database
Model/Event tag: s2003TOKACH01KOKE             Old event tag: s2003TOKACHkoke
 
Event
Author Location Date Latitude (°N) Longitude (°E) Depth (km) Flinn-Engdahl region
Koketsu et al. (2004) Tokachi-oki (Japan) Sep 25, 2003 41.7797 144.0785 25.00 Hokkaido, Japan, region
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
8.21 2.36E+21 230.00 20.00 90.00 120.00 100.00 23.30 75.00 5.00 15.00 3.60
Inversion data
Data type SGM TELE TRIL LEVEL GPS INSAR SURF OTHER
NoS 11 0 0 0 105 0 0 0
PHImax 270 0 0 0 270 0 0 0
Rmin 50.00 0.00 0.00 0.00 50.00 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 10.00 km 10.00 km smooth ramp 15 2.00 1.00 0.05 0.20
Note: value = 0 indicates non-applicable parameter; value = -99 indicates spatially variable; value = 999 indicates currently unknown although expected.
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