Earthquake Source Model Database
Model/Event tag: s1968TOKACH01NAGA             Old event tag: s1968TOKACHnaga
 
Event
Author Location Date Latitude (°N) Longitude (°E) Depth (km) Flinn-Engdahl region
Nagai et al. (2001) Tokachi-oki (Japan) May 16, 1968 40.7300 143.5800 9.00 Off east coast of Honshu, Japan
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
8.35 3.76E+21 156.00 20.00 90.00 240.00 120.00 5.58 150.00 10.00 12.00 1.90
Inversion data
Data type SGM TELE TRIL LEVEL GPS INSAR SURF OTHER
NoS 999 999 0 0 0 0 0 999
PHImax 999 999 0 0 0 0 0 999
Rmin 999.00 999.00 0.00 0.00 0.00 0.00 0.00 999.00
Inversion-related parameters
Grid Inversion time window
NSEG dx (km) dz (km) SVF NW Length (s) Overlap (s) Fmin (Hz) Fmax (Hz)
1 20.00 km 20.00 km unknown 1 999.00 0.00 0.03 0.40
Note: value = 0 indicates non-applicable parameter; value = -99 indicates spatially variable; value = 999 indicates currently unknown although expected.
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