Table 2 Inversion results for each case
Case | Seismic moment (N m) | Moment magnitude | Standard deviation/slip (cm)a | |
|---|---|---|---|---|
N170E | N80E | |||
Example 1: 14–19 April 2015 | 7.99 × 1017 | 5.87 | 0.18/1.15 | 0.19/0.56 |
Rectangle fault model | 1.25 × 1018 | 6.00 | ||
Based on strain data alone | 3.20 × 1017 | 5.60 | 0.43/0.56 | 0.33/0.65 |
Rectangle fault model | 1.54 × 1018 | 6.06 | ||
Based on tilt data alone | – | – | 0.36/0.97 | 0.40/0.26 |
Rectangle fault model | 1.27 × 1018 | 6.00 | ||
Example 2: 29 December 2015 to 1 January 2016 | 6.05 × 1017 | 5.79 | 0.07/0.25 | 0.07/0.36 |
Rectangle fault model | 3.81 × 1017 | 5.65 | ||
Example 2: 1–5 January 2016 | 6.67 × 1017 | 5.82 | 0.20/0.61 | 0.16/0.86 |
Rectangle fault model | 6.14 × 1017 | 5.79 | ||
Example 2: 5–7 January 2016 | 1.56 × 1017 | 5.40 | 0.07/0.30 | 0.07/0.15 |
Rectangle fault model | 4.28 × 1017 | 5.69 | ||
Example 3: 23–27 October 2016 | 6.92 × 1017 | 5.83 | 0.23/0.89 | 0.25/0.42 |
Rectangle fault model | 1.16 × 1018 | 5.98 | ||
Based on strain data alone | 2.05 × 1017 | 5.47 | 0.15/0.17 | 0.15/0.17 |
Rectangle fault model | 1.81 × 1018 | 6.11 | ||
Based on tilt data alone | – | – | 0.43/1.00 | 0.46/0.22 |
Rectangle fault model | 1.07 × 1018 | 5.95 | ||