Table 3 Model parameterization used in the inversion
Layer # | Velocity–depth relation | Vp range [m/s] | Vs range [m/s] | Density [kg/m^3] (fixed) | Poisson ratio | Thickness range [m] |
|---|---|---|---|---|---|---|
1 | Linear increase for Vs uniform for Vp | 140–420 | from 80–200 to 100–250 | 1600 | 0.2–0.5 | 1–25 |
2 | Uniform | 430–1300 | 250–750 | 1800 | 0.2–0.5 | 1–25 |
3 | Uniform | 900–2000 | 350–750 | 1950 | 0.2–0.5 | 5–215 |
4 | Uniform | 1500–2500 | 800–1200 | 2070 | 0.2–0.5 | 10–400 |
5 | Uniform | 1500–3000 | 650–2000 | 2200 | 0.2–0.5 | 10–200 |
6 | Uniform | 1500–4000 | 1000–3000 | 2350 | 0.2–0.5 | 20–800 |
7 | Uniform | 2500–4500 | 1200–3600 | 2450 | 0.2–0.5 | 50–2000 |
Half-space |  | 2500–6900 | 1600–4800 | 2700 |  |  |