Table 1. Maximum Likelihood parameters (with relative errors) of the Double Branching model (seeEq. (1)) for the events of the JMA catalog above 100 km of depth (Mc = 5.0; Jan 1 1965–Dec 31 2008, 5648 events).
From: The double branching model for earthquake forecast applied to the Japanese seismicity
Parameter | Value |
|---|---|
v | 61 ± 2 year-1 |
K | 7.8 ± 0.5 · 10-3 yearp-1 |
p | 1.17 ± 0.01 |
c | 7.0 ± 1.0 · 10 -5 year |
a 1 | 1.40 ± 0.04 |
d | 4.6 ± 0.2 km |
q | ≡ 1.5 |
γ | 0.53 ± 0.03 |
K 2 | 0.013 ± 0.001 |
t | 30 ± 6 year |
a 2 | ~ 0.0 |
d 2 | 82 ± 7 km |
q 2 | 1.5 ± 0.2 |