From: Focal mechanism and slip history of the 2011 Mw 9.1 off the Pacific coast of Tohoku Earthquake, constrained with teleseismic body and surface waves
V p (km/s)
V s (km/s)
Density (103 kg/m3)
Thickness (km)
1.5
0.0
1.0
2.2
2.1
6.0
3.4
2.7
7.0
6.6
3.7
2.9
7.2
4.0
3.1
8.08
4.47
3.38
Half-space