Southern California Earthquakes in the Past Week

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

July 27, 2001


The time period covered is 5 pm on Thursday, July 19 (PDT) through 5 pm on Thursday, July 26 (PDT). During this period we dectected and analysed 1,065 earthquakes. Click here to see a map.

The table below lists the quakes during the past week that were M2.5 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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10972603  2.8  2001/07/19 17:39:21 36  3.0 N 117 53.0 W  2.2    6 km ( 4 mi) E    of Coso Junction, CA  
10972611  2.7  2001/07/19 17:45:52 35 59.0 N 117 52.3 W  3.4   10 km ( 6 mi) SE   of Coso Junction, CA  
10976071  3.5  2001/07/19 18:04:00 35 59.8 N 117 52.5 W  4.0    8 km ( 5 mi) SE   of Coso Junction, CA  
                          Felt in Trona, Lone Pine area
10976087  2.7  2001/07/19 18:09:52 36  0.5 N 117 51.9 W  3.9    9 km ( 5 mi) ESE  of Coso Junction, CA  
10976111  2.6  2001/07/19 18:18:05 36  0.5 N 117 51.9 W  4.0    9 km ( 5 mi) ESE  of Coso Junction, CA  
10976199  3.0  2001/07/19 19:21:28 35 59.3 N 117 52.3 W  3.0    9 km ( 6 mi) SE   of Coso Junction, CA  
10976227  2.5  2001/07/19 19:36:03 36  1.6 N 117 53.0 W  3.1    6 km ( 4 mi) ESE  of Coso Junction, CA  
10980055  2.5  2001/07/19 20:50:41 33 28.8 N 116 48.5 W  5.6   15 km ( 9 mi) NNE  of Palomar Observatory, CA  
10980179  3.0  2001/07/19 22:53:05 36  0.4 N 117 52.6 W  5.2    8 km ( 5 mi) ESE  of Coso Junction, CA  
10980211  2.7  2001/07/19 23:31:30 35 59.1 N 117 52.4 W  2.5    9 km ( 6 mi) SE   of Coso Junction, CA  
10984147  2.7  2001/07/20 01:55:42 36  2.5 N 117 52.0 W  3.1    7 km ( 5 mi) E    of Coso Junction, CA  
10992159  4.0  2001/07/20 05:53:07 35 59.7 N 117 52.6 W  3.4    8 km ( 5 mi) SE   of Coso Junction, CA  
10992187  2.6  2001/07/20 06:07:26 35 59.5 N 117 52.8 W  4.5    8 km ( 5 mi) SE   of Coso Junction, CA  
11792063  2.6  2001/07/20 07:01:34 35 59.4 N 117 52.4 W  3.0    9 km ( 6 mi) SE   of Coso Junction, CA  
10992311  3.0  2001/07/20 07:40:15 35 59.5 N 117 52.4 W  3.9    9 km ( 6 mi) SE   of Coso Junction, CA  
10992331  2.6  2001/07/20 07:52:52 36  0.7 N 117 52.8 W  4.0    7 km ( 4 mi) ESE  of Coso Junction, CA  
11004059  2.6  2001/07/20 08:58:34 35 59.2 N 117 52.2 W  3.3   10 km ( 6 mi) SE   of Coso Junction, CA  
11004107  2.6  2001/07/20 09:22:10 35 59.1 N 117 52.3 W  3.0   10 km ( 6 mi) SE   of Coso Junction, CA  
11020067  2.7  2001/07/20 11:56:12 36  3.0 N 117 52.8 W  3.1    6 km ( 4 mi) E    of Coso Junction, CA  
11028055  2.6  2001/07/20 12:20:09 33 37.8 N 116 43.4 W 13.1   10 km ( 6 mi) NNW  of Anza, CA  
11060063  2.7  2001/07/20 13:47:00 35 59.5 N 117 52.6 W  4.6    9 km ( 5 mi) SE   of Coso Junction, CA  
11100059  2.7  2001/07/20 16:17:07 34  0.3 N 117 12.3 W 15.1    6 km ( 4 mi) SSW  of Redlands, CA  
11132055  2.7  2001/07/20 18:02:02 36  0.1 N 117 52.3 W  4.0    8 km ( 5 mi) SE   of Coso Junction, CA  
11156055  2.7  2001/07/20 19:20:12 33 53.2 N 116 18.3 W  7.4   19 km (12 mi) NE   of Cathedral City, CA  
11444055  2.6  2001/07/21 04:06:07 35 59.4 N 117 52.7 W  3.9    9 km ( 5 mi) SE   of Coso Junction, CA  
11464055  3.4  2001/07/21 04:15:35 35 59.3 N 117 52.4 W  3.2    9 km ( 6 mi) SE   of Coso Junction, CA  
11488055  2.9  2001/07/21 04:31:14 35 59.3 N 117 52.3 W  3.3    9 km ( 6 mi) SE   of Coso Junction, CA  
11788063  2.8  2001/07/21 10:16:21 35 59.4 N 117 52.7 W  4.1    9 km ( 5 mi) SE   of Coso Junction, CA  
 9682377  3.1  2001/07/21 12:57:53 32 42.5 N 116  4.0 W  0.0    7 km ( 5 mi) WSW  of Ocotillo, CA  
 9682417  2.5  2001/07/21 14:01:51 36  1.5 N 117 52.1 W  4.9    7 km ( 5 mi) ESE  of Coso Junction, CA  
 9682457  3.1  2001/07/21 15:07:01 35 59.5 N 117 52.6 W  4.2    9 km ( 5 mi) SE   of Coso Junction, CA  
 9682577  2.7  2001/07/21 17:59:09 36  2.2 N 117 52.3 W  5.0    7 km ( 4 mi) E    of Coso Junction, CA  
 9682745  3.0  2001/07/22 01:13:58 34 17.3 N 116 59.3 W  8.3    9 km ( 5 mi) NW   of town of Big Bear Lake, CA  
               Felt in Big Bear, San Bernardino
 9683009  2.6  2001/07/22 09:29:55 35 59.3 N 117 52.6 W  4.2    9 km ( 6 mi) SE   of Coso Junction, CA  
 9683253  2.7  2001/07/22 17:42:28 36  0.7 N 117 53.4 W  3.9    6 km ( 4 mi) SE   of Coso Junction, CA  
 9683349  3.0  2001/07/22 20:57:09 35 56.1 N 117 41.0 W  3.1   27 km (17 mi) ESE  of Coso Junction, CA  
 9683585  2.6  2001/07/23 04:29:59 35 59.1 N 117 52.3 W  3.0   10 km ( 6 mi) SE   of Coso Junction, CA  
 9683597  2.5  2001/07/23 04:41:21 35 58.5 N 117 51.6 W  2.8   11 km ( 7 mi) SE   of Coso Junction, CA  
 9683913  3.7  2001/07/23 14:02:47 35 59.4 N 117 52.7 W  4.0    9 km ( 5 mi) SE   of Coso Junction, CA  
 9683957  2.6  2001/07/23 14:37:52 35 59.2 N 117 52.5 W  4.1    9 km ( 6 mi) SE   of Coso Junction, CA  
 9683965  2.5  2001/07/23 14:42:41 35 59.1 N 117 52.5 W  3.9    9 km ( 6 mi) SE   of Coso Junction, CA  
 9684157  2.7  2001/07/23 19:01:21 35 59.6 N 118 20.4 W  5.6   36 km (22 mi) W    of Coso Junction, CA  
 9684201  2.7  2001/07/23 22:36:13 32 49.0 N 116  7.7 W  5.6   16 km (10 mi) NW   of Ocotillo, CA  
11671144  2.9  2001/07/24 00:22:50 36  3.6 N 117 52.6 W  2.0    7 km ( 4 mi) ENE  of Coso Junction, CA  
11671176  2.5  2001/07/24 01:12:52 36  0.2 N 117 52.6 W  3.7    8 km ( 5 mi) SE   of Coso Junction, CA  
11671208  2.9  2001/07/24 01:37:28 35 48.3 N 118  2.8 W  7.4   28 km (18 mi) SSW  of Coso Junction, CA  
11671240  3.2  2001/07/24 01:54:50 35 58.9 N 117 52.1 W  3.0   10 km ( 6 mi) SE   of Coso Junction, CA  
11671476  3.3  2001/07/24 06:43:17 35 59.0 N 117 51.7 W  1.9   10 km ( 6 mi) SE   of Coso Junction, CA  
11671480  2.6  2001/07/24 06:45:25 35 58.4 N 117 52.1 W  2.8   11 km ( 7 mi) SE   of Coso Junction, CA  
11671512  2.8  2001/07/24 07:24:31 36  2.5 N 117 52.8 W  3.8    6 km ( 4 mi) E    of Coso Junction, CA  
11671608  2.6  2001/07/24 09:10:50 35 54.7 N 116 58.4 W  5.6   31 km (19 mi) SSE  of Telescope Peak, CA  
11671624  2.6  2001/07/24 09:43:22 35 54.7 N 116 58.0 W  5.5   31 km (19 mi) SSE  of Telescope Peak, CA  
11671652  2.7  2001/07/24 10:10:07 35 54.8 N 116 58.0 W  5.5   31 km (19 mi) SSE  of Telescope Peak, CA  
11671936  2.5  2001/07/24 19:34:31 36  1.4 N 117 52.9 W  3.8    7 km ( 4 mi) ESE  of Coso Junction, CA  
11672080  2.7  2001/07/25 00:50:57 35 59.4 N 117 52.6 W  4.5    9 km ( 6 mi) SE   of Coso Junction, CA  
11672120  2.6  2001/07/25 03:20:13 36  1.5 N 117 53.1 W  5.1    6 km ( 4 mi) ESE  of Coso Junction, CA  
11672332  2.8  2001/07/25 12:10:16 36  0.8 N 117 52.8 W  5.7    7 km ( 4 mi) ESE  of Coso Junction, CA  
11672460  3.0  2001/07/25 16:46:50 34 17.3 N 116 59.2 W 11.4    9 km ( 5 mi) NW   of town of Big Bear Lake, CA  
               Felt in Big Bear
11672508  2.6  2001/07/25 18:33:11 35 59.1 N 117 52.4 W  3.3    9 km ( 6 mi) SE   of Coso Junction, CA  
11672900  2.5  2001/07/26 09:25:44 36  2.8 N 117 52.4 W  3.5    7 km ( 4 mi) E    of Coso Junction, CA  
11673064  2.7  2001/07/26 13:11:02 35 58.9 N 117 52.7 W  3.8    9 km ( 6 mi) SE   of Coso Junction, CA  
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