Table 2 Fault parameters of the 1894 Shonai earthquake and its tested ranges and assumed sampling in the Monte Carlo simulations
Model parameter | Range | Sampling |
|---|---|---|
Magnitude (Mw) | 6.8, 6.9, 7.0, 7.1, 7.2 | |
Fault center | 38.85ºN–38.95ºN, 139.95ºE–140.00ºE | Gaussian |
Fault depth (D) | 0.0–5.0 km | Random |
Fault length (L) | Scaling from Mw (Takemura 2005) | Gaussian |
Fault width (W) | W = 0.5 L | Gaussian |
Strike (ϕ) | N10°W–N10°E | Random |
Dip (δ) | 20º–50º | Random |
Rake (λ) | 70º–110º | Random |
Slip | Determined from Mw, L and W | |
Rigidity | 30 GPa | Fixed |
Poisson’s ratio | 0.25 | Fixed |