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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