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Table 1 Velocity model used for 1-D analytical calculation

From: Directionally dependent horizontal-to-vertical spectral ratios of microtremors at Onahama, Fukushima, Japan

 

V p (m/s)

V s (m/s)

Density (kg/m3)

Layer 1

816.4

203.5

1710

Layer 2

2411.0

937.1

2050