ADDENDUM: Earthquake Swarm in the CA US/Baja Mexico Border Region continues.
As of 7 am PST on 2/20, last week’s earthquake swarm near the US/Mexico border has continued to include another Mw5.0 event, making a total of four events with Mw of 5.0 or larger. There have been 62 events of M3.0 or larger. Those which are approximately M3.5 or larger continue to be felt in the Imperial Valley region and eastern San Diego County. The following list includes the M3.5 or larger events.
Anthony Guarino, Caltech Seismolgical Laboratory
| Mag | Local date/time | Lat. | Lon. | Descriptive location |
|---|---|---|---|---|
| 5.1 | 02/08 23:12:04 | 32 21.6 N | 115 16.6 W | 40 km (25 mi) SSE of Calexico |
| 3.9 | 02/08 23:28:42 | 32 27.8 N | 115 18.5 W | 29 km (18 mi) SE of Calexico |
| 3.6 | 02/08 23:43:27 | 32 28.2 N | 115 17.6 W | 29 km (18 mi) SE of Calexico |
| 3.5 | 02/09 16:32:11 | 32 24.6 N | 115 18.8 W | 33 km (21 mi) SSE of Calexico |
| 3.6 | 02/09 17:52:22 | 32 28.8 N | 115 17.7 W | 28 km (17 mi) SE of Calexico |
| 5.1 | 02/11 10:29:30 | 32 19.6 N | 115 15.4 W | 44 km (27 mi) SSE of Calexico |
| 3.6 | 02/11 11:23:28 | 32 26.3 N | 115 17.7 W | 32 km (20 mi) SE of Calexico |
| 3.9 | 02/11 15:06:04 | 32 26.3 N | 115 18.5 W | 31 km (19 mi) SE of Calexico |
| 5.0 | 02/11 20:32:39 | 32 26.8 N | 115 19.0 W | 30 km (18 mi) SE of Calexico |
| 4.0 | 02/11 20:40:46 | 32 26.3 N | 115 17.4 W | 32 km (20 mi) SE of Calexico |
| 3.5 | 02/11 23:34:53 | 32 26.8 N | 115 17.6 W | 31 km (19 mi) SE of Calexico |
| 4.2 | 02/12 01:20:11 | 32 26.9 N | 115 18.2 W | 30 km (19 mi) SE of Calexico |
| 4.4 | 02/12 01:27:19 | 32 28.0 N | 115 18.1 W | 29 km (18 mi) SE of Calexico |
| 3.5 | 02/12 02:39:45 | 32 25.9 N | 115 17.6 W | 32 km (20 mi) SE of Calexico |
| 4.0 | 02/12 23:14:26 | 32 25.4 N | 115 17.2 W | 33 km (21 mi) SE of Calexico |
| 3.8 | 02/13 18:36:43 | 32 27.3 N | 115 18.4 W | 30 km (18 mi) SE of Calexico |
| 3.7 | 02/13 18:38:42 | 32 24.9 N | 115 17.4 W | 34 km (21 mi) SE of Calexico |
| 3.7 | 02/17 14:10:06 | 32 5.4 N | 115 48.9 W | 71 km (44 mi) SSW of Calexico |
| 5.0 | 02/19 14:41:29 | 32 25.9 N | 115 18.8 W | 31 km (19 mi) SSE of Calexico |
| 4.7 | 02/19 17:28:55 | 32 28.8 N | 115 19.5 W | 26 km (16 mi) SE of Calexico |
