Southern California Earthquakes in the Past Week

Nick Scheckel , Seismological Laboratory
Lucy Jones, U. S. Geological Survey
California Institute of Technology

August 22, 2002


The time period covered is 5 pm on Thursday, August 15 (PDT) through 5 pm on Thursday, August 22 (PDT). During this period we dectected and analysed 186 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. PST Date   PST Time  Lat.       Long.    Depth  Descriptive location
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 9810369  2.2  2002/08/16 18:23:00 33  9.2 N 115 37.1 W  4.5    3 km ( 2 mi) SE   of Obsidian Butte, CA  
 9810373  2.0  2002/08/16 18:23:47 33  9.5 N 115 36.3 W  7.0    3 km ( 2 mi) ESE  of Obsidian Butte, CA  
 9810421  2.3  2002/08/16 19:10:55 33 49.0 N 116 59.9 W 12.2    8 km ( 5 mi) NNW  of Hemet, CA  
 9810485  2.6  2002/08/17 03:11:37 32 17.0 N 115 13.8 W  7.0   50 km (31 mi) SSE  of Calexico, CA  
 9810509  2.9  2002/08/17 04:39:52 32 15.9 N 115 16.0 W  7.0   50 km (31 mi) SSE  of Calexico, CA  
 9810585  2.5  2002/08/17 05:19:26 32 17.3 N 115 17.8 W  7.0   46 km (29 mi) SSE  of Calexico, CA  
 9810661  2.0  2002/08/17 10:09:21 33 14.7 N 116  4.4 W 10.7   11 km ( 7 mi) WSW  of Salton City, CA  
 9811301  2.4  2002/08/19 01:26:22 32 39.5 N 115 53.0 W  1.8   13 km ( 8 mi) SE   of Ocotillo, CA  
 9811465  2.6  2002/08/19 07:31:43 36  1.0 N 117 48.6 W  2.4   13 km ( 8 mi) ESE  of Coso Junction, CA  
 9811497  2.1  2002/08/19 08:57:27 33 17.8 N 116 45.4 W 10.6    6 km ( 4 mi) N    of Lake Henshaw, CA  
 9811773  2.0  2002/08/19 22:20:51 34 27.9 N 116 13.8 W  8.7   37 km (23 mi) NNE  of Joshua Tree, CA  
 9811889  2.5  2002/08/20 04:37:38 36  3.0 N 117 33.1 W  1.4   35 km (22 mi) NNW  of Trona, CA  
 9812393  2.2  2002/08/20 16:10:48 34 18.9 N 116 26.9 W  2.4   22 km (14 mi) N    of Yucca Valley, CA  
 9812461  2.0  2002/08/21 00:29:05 33 44.4 N 118  6.8 W 16.6    1 km ( 1 mi) WSW  of Seal Beach, CA  
 9812505  2.1  2002/08/21 01:41:36 34 17.6 N 118 44.8 W 11.7    4 km ( 2 mi) WNW  of Simi Valley, CA  
 9812973  2.1  2002/08/21 14:07:53 33 29.0 N 116 17.0 W 10.7   21 km (13 mi) WSW  of Mecca, CA  
 9813009  2.2  2002/08/21 16:33:06 34  2.0 N 117 14.3 W 15.3    2 km ( 1 mi) SE   of Loma Linda, CA  
 9813029  2.2  2002/08/21 18:21:03 36 52.8 N 118 16.1 W 11.6   11 km ( 7 mi) NW   of Independence, CA  
 9813385  2.0  2002/08/22 14:51:55 34 45.8 N 116 47.3 W  8.1   26 km (16 mi) ESE  of Barstow, CA  
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