Southern California Earthquakes in the Past Week

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

December 27, 2001


The time period covered is 4 pm on Thursday, December 20 (PST) through 4 pm on Thursday, December 27 (PDT). During this period we dectected and analysed 169 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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 9738157  2.9  2001/12/21 15:21:24 32  0.3 N 117 22.8 W  7.0   68 km (43 mi) SSW  of San Ysidro, CA  
 9738181  2.7  2001/12/21 16:52:16 32  4.3 N 117 21.4 W 19.4   61 km (38 mi) SSW  of San Ysidro, CA  
 9738289  2.5  2001/12/21 19:31:20 32  1.6 N 117 23.8 W 15.4   67 km (42 mi) SSW  of San Ysidro, CA  
 9738333  2.1  2001/12/22 02:38:56 33  5.6 N 116  2.7 W 11.6   10 km ( 6 mi) SE   of Ocotillo Wells, CA  
 9738745  2.2  2001/12/22 11:47:18 33 11.5 N 115 36.1 W  2.5    4 km ( 2 mi) NE   of Obsidian Butte, CA  
 9738925  2.6  2001/12/22 20:53:57 33 39.6 N 116 44.6 W 14.8   10 km ( 6 mi) SSW  of Idyllwild, CA  
 9739141  2.1  2001/12/22 21:26:10 32 21.1 N 114 58.5 W  7.0   51 km (31 mi) SW   of Yuma, AZ  
 9739233  2.2  2001/12/22 22:26:18 32 31.0 N 115 14.6 W  7.0   29 km (18 mi) SE   of Calexico, CA  
 9739561  2.3  2001/12/23 04:26:30 35 18.9 N 120 38.7 W 12.4    4 km ( 3 mi) NNE  of San Luis Obispo, CA  
 9739625  2.3  2001/12/23 10:50:59 32 20.9 N 115 13.7 W  7.0   43 km (27 mi) SE   of Calexico, CA  
 9739797  2.2  2001/12/24 11:17:53 34  1.1 N 118 56.2 W  7.4    3 km ( 2 mi) S    of Leo Carrillo State Beach, CA  
 9739817  2.3  2001/12/24 14:20:40 34  4.8 N 119 11.6 W 20.2    7 km ( 5 mi) S    of Port Hueneme, CA  
 9739833  2.0  2001/12/24 17:26:34 34 36.7 N 116 17.6 W  4.7   53 km (33 mi) N    of Joshua Tree, CA  
 9740029  2.5  2001/12/25 13:27:11 32  1.4 N 117 21.4 W  7.0   66 km (41 mi) SSW  of San Ysidro, CA  
 9740053  2.4  2001/12/25 14:51:51 32 28.0 N 118  9.8 W 31.3   43 km (27 mi) SSE  of San Clemente Is. 
 9740077  2.6  2001/12/25 16:53:11 32 18.5 N 115  1.3 W  7.0   57 km (36 mi) SW   of Yuma, AZ  
 9740081  2.1  2001/12/25 17:27:34 32 19.7 N 115  1.7 W  7.0   56 km (35 mi) SW   of Yuma, AZ  
 9740089  2.6  2001/12/25 17:45:22 32 18.7 N 115  1.1 W  7.0   57 km (35 mi) SW   of Yuma, AZ  
 9740093  2.0  2001/12/25 18:20:48 32 18.1 N 115  1.4 W  7.0   58 km (36 mi) SW   of Yuma, AZ  
 9740105  2.1  2001/12/25 18:59:15 32 18.6 N 115  1.3 W  7.0   57 km (35 mi) SW   of Yuma, AZ  
 9740141  2.7  2001/12/25 21:30:18 32 21.0 N 117 44.3 W  7.0   66 km (41 mi) SW   of Mission Beach, CA  
 9740181  2.5  2001/12/26 01:29:53 32  2.7 N 114 56.4 W  7.0   78 km (49 mi) SSW  of Yuma, AZ  
 9740269  2.0  2001/12/26 09:27:11 33 42.1 N 116 43.4 W 18.0    5 km ( 3 mi) S    of Idyllwild, CA  
 9740341  2.2  2001/12/26 14:15:59 35 48.3 N 118  2.7 W  9.4   28 km (17 mi) SSW  of Coso Junction, CA  
 9740377  2.8  2001/12/26 15:08:27 32 10.6 N 114 59.6 W  7.1   67 km (42 mi) SSW  of Yuma, AZ  
 9740589  2.6  2001/12/27 05:42:25 34  8.4 N 119 32.1 W  7.0   12 km ( 8 mi) N    of Santa Cruz Is. 
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