Table 1 Main parameters of the four \(\hbox {Mw}\) > 8.0 examined earthquakes.
Earthquake | Country | Coordinates | Mw | Date origin time (UT) | Hypocentral depth (km) |
|---|---|---|---|---|---|
Tohoku-Oki | Japan | 37.52\(^\circ\) N 143.05\(^\circ\) E | 9.1 | 2011-03-11 5:46:23 | 14.5 |
North Sumatra mainshock | Indonesia | 2.327\(^\circ\) N 93.063\(^\circ\) E | 8.6 | 2012-04-11 8:38:37 | 14.5 |
North Sumatra largest aftershock | Indonesia | 0.802\(^\circ\) N 92.463\(^\circ\) E | 8.2 | 2012-04-11 10:43:09 | 25.1 |
Iquique | Chile | 19.642\(^\circ\)S 70.871\(^\circ\)W | 8.2 | 2014-04-01 23:46:50 | 20.1 |