Southern California Earthquakes in the Past Week

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

August 16, 2002


The time period covered is 5 pm on Thursday, August 8 (PDT) through 5 pm on Thursday, August 15 (PDT). During this period we dectected and analysed 204 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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 9807929  2.2  2002/08/09 10:30:49 33  9.9 N 115 39.6 W  8.4    2 km ( 1 mi) WSW  of Obsidian Butte, CA  
 9808009  2.0  2002/08/09 16:58:38 32 13.0 N 115 19.1 W  7.0   53 km (33 mi) SSE  of Calexico, CA  
 9808025  2.2  2002/08/09 20:08:45 35  0.5 N 118 50.5 W 13.3    9 km ( 6 mi) E    of Wheeler Ridge, CA  
 9808089  2.4  2002/08/10 02:58:31 32 13.7 N 115 19.1 W  7.0   52 km (32 mi) SSE  of Calexico, CA  
 9808205  2.1  2002/08/10 15:45:04 36  6.3 N 117 51.3 W  2.2   11 km ( 7 mi) NE   of Coso Junction, CA  
 9808277  2.1  2002/08/10 20:59:25 33 42.0 N 116 44.6 W 17.2    6 km ( 4 mi) SSW  of Idyllwild, CA  
 9808337  2.1  2002/08/10 23:01:34 34 13.0 N 117 24.9 W 14.5    1 km ( 1 mi) WSW  of Devore, CA  
 9808421  2.2  2002/08/11 12:22:42 32 27.0 N 116 15.1 W 11.6   40 km (25 mi) SW   of Ocotillo, CA  
 9808533  2.8  2002/08/11 22:21:25 32 17.0 N 115  7.2 W  7.0   55 km (34 mi) SE   of Calexico, CA  
 9808577  2.0  2002/08/12 04:16:31 35 57.4 N 117 39.8 W  3.7   28 km (17 mi) ESE  of Coso Junction, CA  
 9808641  2.2  2002/08/12 07:46:56 34 40.8 N 120 17.1 W  4.9   11 km ( 7 mi) NW   of Buellton, CA  
 9808785  2.0  2002/08/12 18:42:31 33 11.2 N 115 36.2 W  2.5    4 km ( 2 mi) ENE  of Obsidian Butte, CA  
 9808789  2.0  2002/08/12 19:13:09 32  6.9 N 116 25.0 W  7.0   76 km (47 mi) SE   of San Ysidro, CA  
 9808837  3.0  2002/08/13 03:09:49 34 10.0 N 117 26.1 W  7.3    7 km ( 4 mi) N    of Fontana, CA  
          FELT in Cajon Pass, Fontana & Rancho Cucamonga
 9808845  2.7  2002/08/13 03:15:04 34 10.0 N 117 26.0 W  3.1    7 km ( 4 mi) N    of Fontana, CA  
 9808901  2.4  2002/08/13 03:28:58 34  0.0 N 118 24.0 W 12.4    0 km ( 0 mi) ENE  of Culver City, CA  
          FELT in Culver City & Inglewood.
 9808913  2.0  2002/08/13 05:06:03 36 11.4 N 117 59.3 W  5.1   10 km ( 6 mi) S    of Olancha, CA  
 9809025  3.1  2002/08/13 11:03:25 35 18.7 N 119 26.8 W 14.3   19 km (12 mi) N    of Taft, CA  
          FELT in Taft & Tupman
 9809645  2.5  2002/08/14 18:24:10 34  9.8 N 117 26.6 W  9.8    6 km ( 4 mi) N    of Fontana, CA  
 9809785  2.8  2002/08/15 07:57:22 34  5.3 N 117 19.1 W 17.3    3 km ( 2 mi) SW   of San Bernardino, CA  
          FELT in San Bernardino, Rancho Cucamonga & Redlands.
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