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Table 1 Physical parameters of each layer in JIVSM

From: Long-period ground motion simulation using centroid moment tensor inversion solutions based on the regional three-dimensional model in the Kanto region, Japan

  VP [km/s] VS [km/s] ρ [kg/m3] μ [GPa] QP QS
Air 0.0 0.0 0.001 0.0 1010 1010
Seawater 1.5 0.0 1.04 0.0 106 106
Sedimentary layer 1 1.8 0.5 1.95 0.49 170 100
Sedimentary layer 3 2.3 0.9 2.10 1.70 340 200
Sedimentary layer 4 3.0 1.5 2.25 5.06 510 300
Basement 5.5 3.2 2.65 27.1 680 400
Upper crust 5.8 3.4 2.70 31.2 680 400
Lower crust 6.4 3.8 2.80 40.0 680 400
Upper mantle 7.5 4.5 3.20 64.8 850 500
Philippine Sea plate       
Oceanic crust layer 2 5.0 2.9 2.40 20.2 340 200
Oceanic crust layer 3 6.8 4.0 2.90 46.4 510 300
Oceanic Mantle 8.0 4.7 3.20 70.7 850 500
Pacific Plate       
Oceanic crust layer 2 5.4 2.8 2.60 20.4 340 200
Oceanic crust layer 3 6.5 3.5 2.80 34.3 510 300
Oceanic Mantle 8.1 4.6 3.40 71.9 850 500
  1. The air and seawater layers were treated as being the same, following Maeda et al. (2017). The P-wave velocity (VP), S-wave velocity (VS), density (ρ), rigidity (μ) and inelastic attenuation (QP and QS) are listed