Southern California Earthquakes in the Past Week

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

September 21, 2001


The time period covered is 5 pm on Thursday, September 13 (PDT) through 5 pm on Thursday, September 20 (PDT). During this period we dectected and analysed 242 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
      -------------------------------------------------------------------------------------------
 9706217  2.1  2001/09/13 20:51:32 35 31.5 N 118 26.5 W  5.1   13 km ( 8 mi) S    of town of Lake Isabella, CA  
 9706441  2.4  2001/09/14 13:24:43 33  9.5 N 115 36.5 W  3.7    3 km ( 2 mi) ESE  of Obsidian Butte, CA  
 9706445  2.3  2001/09/14 13:26:27 33  9.6 N 115 37.5 W  4.1    2 km ( 1 mi) SE   of Obsidian Butte, CA  
 9706449  2.1  2001/09/14 13:31:26 33  9.9 N 115 36.3 W  3.3    3 km ( 2 mi) ESE  of Obsidian Butte, CA  
 9706473  2.1  2001/09/14 14:29:58 34 56.6 N 116 47.3 W  5.6   22 km (14 mi) ENE  of Barstow, CA  
 9706513  2.3  2001/09/14 19:46:27 33 27.4 N 116 37.7 W  9.7   12 km ( 7 mi) SSE  of Anza, CA  
 9706525  2.7  2001/09/14 20:57:46 33 33.7 N 117  3.4 W 13.0   22 km (14 mi) SSW  of Hemet, CA  
 9706617  2.2  2001/09/15 09:59:49 36  1.8 N 117 49.2 W  1.1   12 km ( 7 mi) E    of Coso Junction, CA  
 9706633  2.4  2001/09/15 11:48:51 32 54.0 N 115 32.0 W 15.3    7 km ( 4 mi) S    of Brawley, CA  
 9706677  2.0  2001/09/15 15:41:50 36  0.8 N 117 53.3 W  6.0    6 km ( 4 mi) SE   of Coso Junction, CA  
 9706717  2.2  2001/09/15 20:53:10 34 22.3 N 119 55.1 W  6.2    8 km ( 5 mi) SW   of Isla Vista, CA  
 9706721  2.2  2001/09/15 20:54:45 34 26.8 N 119 52.8 W  0.7    4 km ( 3 mi) NNW  of Isla Vista, CA  
 9706725  2.2  2001/09/15 21:45:18 32 29.7 N 116 54.2 W  8.3   15 km ( 9 mi) ESE  of San Ysidro, CA  
 9706729  2.0  2001/09/15 21:53:30 32 29.6 N 116 54.5 W  8.3   14 km ( 9 mi) ESE  of San Ysidro, CA  
 9706801  1.9  2001/09/16 03:38:04 32 55.1 N 115 31.9 W 15.9    5 km ( 3 mi) S    of Brawley, CA  
 9706853  2.3  2001/09/16 11:30:19 33 12.9 N 116  4.6 W  9.2   10 km ( 6 mi) NNE  of Ocotillo Wells, CA  
 9706865  2.1  2001/09/16 12:50:44 36  4.5 N 117 49.9 W  4.6   11 km ( 7 mi) ENE  of Coso Junction, CA  
 9706897  3.1  2001/09/16 18:14:49 33 55.3 N 117 46.4 W 11.8    5 km ( 3 mi) NE   of Yorba Linda, CA  
               Felt in Puente/Chino Hills areas
 9706945  2.0  2001/09/17 03:32:56 34 50.4 N 118 57.8 W 13.9    3 km ( 2 mi) NW   of Frazier Park, CA  
 9707045  2.0  2001/09/17 13:30:31 34 49.6 N 118 58.2 W 15.7    2 km ( 2 mi) WNW  of Frazier Park, CA  
 9707157  2.1  2001/09/18 05:32:10 34  1.8 N 117 14.7 W 16.9    2 km ( 1 mi) SSE  of Loma Linda, CA  
 9707189  2.0  2001/09/18 07:51:47 32 30.0 N 116 54.0 W 10.1   15 km ( 9 mi) ESE  of San Ysidro, CA  
 9707229  2.1  2001/09/18 11:47:00 36 27.2 N 116 58.2 W  6.5   11 km ( 7 mi) W    of Furnace Creek, CA  
 9707285  2.0  2001/09/18 18:07:30 33 60.0 N 118 54.3 W  5.1    6 km ( 4 mi) SSE  of Leo Carrillo State Beach, CA  
 9707293  2.2  2001/09/18 18:58:07 34 47.9 N 116 15.7 W  5.8   55 km (34 mi) SSW  of Baker, CA  
 9707297  2.4  2001/09/18 19:51:23 33 13.6 N 116  2.6 W 11.7    9 km ( 6 mi) SW   of Salton City, CA  
 9707473  2.3  2001/09/19 20:02:03 34 18.6 N 116 51.0 W  6.9    5 km ( 3 mi) N    of Big Bear City, CA  
 9707493  1.9  2001/09/19 21:34:24 34 18.5 N 116 51.1 W  6.0    5 km ( 3 mi) N    of Big Bear City, CA  
 9707521  2.1  2001/09/20 00:59:48 33 25.7 N 116 24.3 W 12.7   20 km (12 mi) N    of Borrego Springs, CA  
 9707561  2.0  2001/09/20 04:33:15 35 19.8 N 118 39.2 W  2.5   21 km (13 mi) NE   of Arvin, CA  
 9707609  2.0  2001/09/20 09:01:33 34 31.5 N 116 16.9 W  5.3   43 km (27 mi) N    of Joshua Tree, CA  
 9707629  2.9  2001/09/20 10:15:19 36  1.9 N 117 52.7 W  3.6    6 km ( 4 mi) ESE  of Coso Junction, CA  
 9707757  3.2  2001/09/20 16:43:23 32 55.5 N 117 46.2 W  7.0   47 km (29 mi) SW   of Oceanside, CA  
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