9 Southern California Seismicity Summary

Southern California Earthquakes in the Past Week

Kate Hutton , Seismological Laboratory
Lucy Jones, U. S. Geological Survey
California Institute of Technology

April 13, 2001


The time period covered is 5 pm on Thursday, April 5 (PST) through 5 pm on Thursday, April 12 (PST). During this period we dectected and analysed 174 earthquakes. Click here to see a map.

The table below lists the quakes during the past week that were M2.0 or larger in the central part of the coverage area. Times are local times; if you want Greenwich Mean Time, add 7 hrs to the Pacific Daylight Time or 8 hrs to the Pacific Standard Time listed.

          Mag. Local Date Local Time Lat.      Long.    Depth  Descriptive location
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642521  2.7  2001/04/05 20:28:24 33 21.6 N 116 14.8 W  8.9   17 km (10 mi) NE   of Borrego Springs, CA  
 9642529  2.4  2001/04/05 21:23:50 35 49.7 N 120 26.4 W  7.0    8 km ( 5 mi) S    of Parkfield, CA  
 9642601  1.9  2001/04/06 05:30:51 34  3.6 N 117 49.9 W 14.0    6 km ( 4 mi) ESE  of Covina, CA  
 9642637  2.4  2001/04/06 12:28:08 36  2.9 N 117 52.8 W  0.2    6 km ( 4 mi) E    of Coso Junction, CA  
 9642685  2.3  2001/04/06 14:38:50 34 23.9 N 119 25.8 W 14.5    8 km ( 5 mi) E    of Carpinteria, CA  
 9642749  2.0  2001/04/07 05:21:49 35  1.9 N 119  5.8 W 26.6   14 km ( 9 mi) WNW  of Wheeler Ridge, CA  
 9642897  1.9  2001/04/07 12:15:38 35 55.5 N 118 44.8 W 18.2   30 km (19 mi) SE   of Porterville, CA  
 9642913  2.1  2001/04/07 15:18:59 36  1.0 N 117 49.0 W  3.3   12 km ( 8 mi) ESE  of Coso Junction, CA  
 9642925  2.1  2001/04/07 16:50:47 36  1.3 N 117 49.4 W  1.9   12 km ( 7 mi) ESE  of Coso Junction, CA  
 9642929  2.5  2001/04/07 16:52:43 36  0.9 N 117 49.0 W  4.7   12 km ( 8 mi) ESE  of Coso Junction, CA  
 9642937  2.4  2001/04/07 18:03:16 36  4.9 N 117 36.2 W  0.8   31 km (19 mi) E    of Coso Junction, CA  
 9642941  3.8  2001/04/07 18:25:28 36  1.0 N 117 48.7 W  3.6   13 km ( 8 mi) ESE  of Coso Junction, CA  
10712051  2.2  2001/04/07 18:26:16 36  0.6 N 117 48.9 W  3.3   13 km ( 8 mi) ESE  of Coso Junction, CA  
10712055  2.0  2001/04/07 18:26:39 36  0.8 N 117 48.5 W  3.9   13 km ( 8 mi) ESE  of Coso Junction, CA  
 9642953  2.2  2001/04/07 18:40:45 36  1.5 N 117 49.3 W  2.1   12 km ( 7 mi) ESE  of Coso Junction, CA  
 9642961  2.0  2001/04/07 19:35:08 36  1.0 N 117 49.1 W  3.3   12 km ( 8 mi) ESE  of Coso Junction, CA  
10720043  2.0  2001/04/07 23:39:04 35 59.2 N 117 49.5 W  5.5   13 km ( 8 mi) ESE  of Coso Junction, CA  
 9643005  1.9  2001/04/08 01:08:33 33 57.6 N 116 38.8 W 11.7   11 km ( 7 mi) SSW  of Morongo Valley, CA  
 9643009  2.0  2001/04/08 03:48:14 33 46.6 N 116  8.9 W  5.8    9 km ( 6 mi) NE   of Indio, CA  
 9643021  2.2  2001/04/08 08:51:50 34 41.1 N 116 20.1 W 12.1   61 km (38 mi) N    of Joshua Tree, CA  
 9643025  2.2  2001/04/08 09:46:58 32 37.6 N 116 10.4 W  7.2   21 km (13 mi) SW   of Ocotillo, CA  
 9643041  2.5  2001/04/08 11:26:23 36  1.5 N 117 49.3 W  1.7   12 km ( 7 mi) E    of Coso Junction, CA  
 9643049  2.1  2001/04/08 12:04:09 34 32.0 N 116 18.1 W  7.0   44 km (27 mi) N    of Joshua Tree, CA  
 9643069  2.1  2001/04/08 13:27:33 34 43.6 N 116 18.7 W  4.7   64 km (40 mi) SSW  of Baker, CA  
 9643081  2.1  2001/04/08 14:32:27 34 39.9 N 116 21.0 W  3.3   59 km (37 mi) N    of Joshua Tree, CA  
 9643121  2.6  2001/04/08 17:47:29 33 46.8 N 116  7.0 W  5.9   12 km ( 7 mi) NE   of Indio, CA  
 9643161  2.5  2001/04/09 03:01:21 34 15.6 N 117  7.8 W  6.0    6 km ( 3 mi) ENE  of Lake Arrowhead, CA  
 9643173  2.3  2001/04/09 04:27:28 36  2.6 N 117 40.2 W  1.8   25 km (16 mi) E    of Coso Junction, CA  
 9643177  2.0  2001/04/09 05:11:11 33 46.2 N 116  8.6 W  5.9    9 km ( 6 mi) NE   of Indio, CA  
 9643185  2.5  2001/04/09 06:37:07 33 45.7 N 116  9.3 W  5.0    8 km ( 5 mi) NE   of Indio, CA  
 9643189  2.4  2001/04/09 06:40:44 34 32.1 N 116 16.0 W  5.8   45 km (28 mi) N    of Joshua Tree, CA  
 9643201  2.2  2001/04/09 07:04:43 34 32.3 N 116 16.6 W  7.1   45 km (28 mi) N    of Joshua Tree, CA  
 9643197  2.6  2001/04/09 07:06:24 34 32.1 N 116 15.7 W  5.6   45 km (28 mi) N    of Joshua Tree, CA  
 9643213  2.1  2001/04/09 08:05:48 34 31.8 N 116 16.0 W  7.0   44 km (27 mi) N    of Joshua Tree, CA  
 9643349  2.9  2001/04/09 16:47:11 33 52.4 N 119 40.7 W  2.7   23 km (14 mi) SW   of Santa Cruz Is. 
 9643353  3.1  2001/04/09 17:00:58 36  2.7 N 117 40.5 W  2.0   25 km (15 mi) E    of Coso Junction, CA  
                                   Felt in Trona
 9643369  3.2  2001/04/09 18:47:42 34 32.2 N 116 16.0 W  5.6   45 km (28 mi) N    of Joshua Tree, CA  
 9643393  2.0  2001/04/09 20:20:57 34 49.9 N 118 51.9 W 13.8    4 km ( 2 mi) NNW  of Gorman, CA  
 9643409  2.0  2001/04/10 02:24:17 36  2.8 N 117 40.2 W  2.5   25 km (16 mi) E    of Coso Junction, CA  
 9643413  2.3  2001/04/10 03:35:35 36  3.0 N 117 40.6 W  1.0   24 km (15 mi) E    of Coso Junction, CA  
 9643429  2.4  2001/04/10 05:46:50 36  2.7 N 117 40.3 W  2.5   25 km (15 mi) E    of Coso Junction, CA  
 9643437  2.1  2001/04/10 07:23:40 34 32.0 N 116 16.2 W  7.0   44 km (28 mi) N    of Joshua Tree, CA  
 9643585  2.2  2001/04/10 14:57:56 33 42.9 N 116 51.1 W 16.4   11 km ( 7 mi) ESE  of Hemet, CA  
 9643597  2.2  2001/04/10 16:44:33 34 41.8 N 116 27.2 W  0.0   53 km (33 mi) ENE  of Lucerne Valley, CA  
 9643605  2.1  2001/04/10 17:33:41 34 51.2 N 116 24.4 W  5.1   55 km (34 mi) SSW  of Baker, CA  
 9643625  2.1  2001/04/11 01:03:26 35 27.0 N 119 26.4 W 23.5   34 km (21 mi) N    of Taft, CA  
 9643633  2.5  2001/04/11 04:19:20 32 53.1 N 115 58.6 W  5.5   17 km (10 mi) N    of Ocotillo, CA  
 9643641  2.5  2001/04/11 05:11:10 34 22.8 N 116 27.8 W  5.6   29 km (18 mi) N    of Yucca Valley, CA  
 9643645  2.4  2001/04/11 07:08:57 33 57.6 N 117 43.7 W 13.1    7 km ( 5 mi) SSW  of Chino, CA  
 9643657  2.0  2001/04/11 08:59:29 33 58.1 N 116 39.5 W 14.6   11 km ( 7 mi) SW   of Morongo Valley, CA  
 9643685  3.1  2001/04/11 12:53:57 36 22.8 N 117 49.7 W  5.6   19 km (12 mi) NE   of Olancha, CA  
 9643689  2.6  2001/04/11 14:43:07 35 58.4 N 118 19.3 W  5.6   34 km (21 mi) WSW  of Coso Junction, CA  
 9643697  3.1  2001/04/11 16:55:46 36 22.1 N 117 50.7 W  5.3   17 km (11 mi) ENE  of Olancha, CA  
 9643701  2.9  2001/04/11 17:04:20 35 58.4 N 118 19.3 W  5.6   34 km (21 mi) WSW  of Coso Junction, CA  
 9643705  3.1  2001/04/11 17:21:01 35 59.0 N 118 20.0 W  5.6   35 km (22 mi) W    of Coso Junction, CA  
 9643709  2.4  2001/04/11 17:30:54 35 58.5 N 118 19.5 W  5.6   35 km (22 mi) WSW  of Coso Junction, CA  
 9643713  2.4  2001/04/11 17:58:26 35 59.3 N 118 20.0 W  5.6   35 km (22 mi) W    of Coso Junction, CA  
10728039  2.3  2001/04/11 17:58:40 35 59.6 N 118 17.4 W  7.0   31 km (19 mi) W    of Coso Junction, CA  
 9643717  2.4  2001/04/11 17:59:49 35 58.5 N 118 19.4 W  5.6   35 km (21 mi) WSW  of Coso Junction, CA  
 9643753  2.0  2001/04/11 23:28:13 35 58.7 N 118 19.5 W  5.6   35 km (22 mi) WSW  of Coso Junction, CA  
 9643765  2.2  2001/04/12 03:04:28 34 16.2 N 116 43.7 W  0.3   11 km ( 7 mi) E    of Big Bear City, CA  
 9643777  2.4  2001/04/12 05:25:38 35 44.4 N 117 37.7 W  3.6   14 km ( 8 mi) NNE  of Ridgecrest, CA  
 9643961  2.0  2001/04/12 12:56:52 34 23.0 N 116 27.2 W  5.6   29 km (18 mi) N    of Yucca Valley, CA  
 9643965  2.0  2001/04/12 13:01:00 35 58.5 N 118 19.2 W  5.6   34 km (21 mi) WSW  of Coso Junction, CA  
 9643989  2.1  2001/04/12 14:19:18 33 56.3 N 116 46.4 W 15.3    2 km ( 1 mi) NNE  of Cabazon, CA  
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