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Table 1 Range values of initial parameters for H/V inversion

From: Seismic hazard microzonation of Bengkulu City, Indonesia

Layer Soil Type Thickness Vs Vp Density Poisson Ratio
USCS [m] [m/s] [m/s] [ρ] [kg/cm3] [ν]
1 OH/CH 1–20 90–270 125–375 1800–2000 0.400–0.495
2 CM 1–20 160–350 240–525 1800–2000 0.400–0.495
3 SM, SP, SC 1–20 200–500 300–750 1800–2000 0.200–0.400
4 SW, SC, GC 1–20 400–600 600–900 1800–2000 0.200–0.400
Half-space Sandstone ~ 500–760 750–1140 2000–2200 0.100–0.300
  1. Remarks: OH organic clay, CH high plasticity clay, CM silty clay, SM silty sand, SP poor-graded sand, SC clayey sand, SW well-graded sand, GC clayey gravel