Table 1.
List of seismic events used in this study
| Origin time, GMT | Location (lat., °N, long., °E] | depth, km | Time | Mw | Responding networks | No. of stations | Azimuth range, ° |
| 04/26/1999 | Colombia (−1.65, −77.78) | 164 | 18:17:26.2 | 5.9 | J-array | 56 | 318.12–323.65 |
| 11/16/2007 | Peru (−2.50, −78.00) | 123 | 03:13:00.1 | 6.8 | J-array | 29 | 318.50–321.90 |
| 08/09/2009 | Japan 1 (33.14, 138.04) | 303 | 10:55:56.4 | 7.1 | GT, IU, II | 4 | 252.91–269.04 |
| 08/12/2009 | Japan 2 (32.76, 140.37) | 97 | 22:48:56.4 | 6.7 | GT, IU, II | 2 | 253.05–270.01 |
| 07/23/2008 | Japan 3 (39.79, 141.43) | 112 | 15:26:20.4 | 6.8 | GT, II, IU | 3 | 259.43–276.08 |
| 01/04/1998 | Loyalty Islands (−22.30, 170.91) | 101 | 06:11:58.9 | 7.5 | GE, II, G, IU | 7 | 248.94–293.23 |
| 08/22/1994 | Santa Cruz (−11.51, 166.45) | 142 | 17:26:37.5 | 6.2 | XD, IU | 21 | 238.13–257.31 |
| 12/27/1994 | Kermadec Islands 1 (−31.97, 179.86) | 212 | 17:32:50.8 | 6.4 | XD, II | 9 | 223.11–294.12 |
| 05/03/1997 | Kermadec Islands 2 (−31.79, −179.38) | 108 | 16:46:02.0 | 6.9 | G, GE | 1 | 233.76–252.21 |
| 12/18/1994 | Fiji Islands 1 (−17.86, 178.69) | 551 | 20:38:32.6 | 5.7 | XD | 14 | 233.00–241.00 |
| 11/09/2009 | Fiji Islands 2 (−17.16, 178.40) | 575 | 10:44:53.8 | 6.8 | GB, GT, GE, II, IU | 34 | 121.04–359.69 |
| 01/09/2001 | Vanuatu (−14.93, 167.17) | 103 | 16:49:28.0 | 7.0 | GE | 9 | 296.86–340.68 |
| 07/10/2000 | Sumatera (−4.47, 103.76) | 105 | 10:39:39.0 | 5.8 | XM, CI, AZ | 35 | 39.09–47.98 |
All measurements and data treating processes were carried out by means of the Seismic Analysis Code (44).