Southern California Earthquakes in the Past Week

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

September 29, 2000


The time period covered is 5 pm on Thursday, September 21 (PDT) through 5 pm on Thursday, September 28 (PDT). During this period we dectected and analysed 390 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.

Date  Time      Lat.     Long.     Mag. Descriptive location
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 9/21  7:56 pm  36  4.4  117 52.3  2.4  4 mi. ENE of Coso Junction, CA     
 9/22 12:20 am  34 34.2  116 15.6  2.0  30 mi. N of Joshua Tree, CA        
 9/22 12:26 am  36  1.5  117 52.2  2.1  4 mi. ESE of Coso Junction, CA     
 9/22 12:27 am  34 34.3  116 15.4  2.5  30 mi. N of Joshua Tree, CA        
 9/22  2:18 am  34 36.6  116 17.6  2.1  32 mi. N of Joshua Tree, CA        
 9/22  2:40 am  36  2.8  117 51.8  2.3  4 mi. E of Coso Junction, CA       
 9/22  2:52 am  36  2.1  117 51.5  2.2  5 mi. E of Coso Junction, CA       
 9/22  3:11 am  34 36.7  116 17.7  2.3  32 mi. N of Joshua Tree, CA        
 9/22  5:08 am  36  4.7  117 52.5  2.0  4 mi. ENE of Coso Junction, CA     
 9/22  8:59 am  34 39.3  116 17.4  2.3  35 mi. N of Joshua Tree, CA        
 9/22 10:54 pm  32 21.0  115 14.6  2.6  26 mi. SSE of Calexico, CA         
 9/23 12:18 am  36  2.5  117 51.8  2.0  4 mi. E of Coso Junction, CA       
 9/23 12:23 am  36  2.3  117 51.5  2.1  5 mi. E of Coso Junction, CA       
 9/23  7:36 am  36  4.9  117 52.6  2.6  4 mi. ENE of Coso Junction, CA     
 9/23 11:50 am  32  7.3  115  7.7  2.9  43 mi. SSE of Calexico, CA         
 9/23 12:07 pm  32  8.8  115  8.0  2.6  41 mi. SSE of Calexico, CA         
 9/23 12:34 pm  32  8.2  115  8.5  3.4  42 mi. SSE of Calexico, CA         
 9/23  2:47 pm  32  9.1  115  8.0  2.8  41 mi. SSE of Calexico, CA         
 9/23  3:47 pm  33 22.1  116 58.2  2.4  6 mi. W of Palomar Observatory, CA 
 9/23  5:46 pm  36  3.9  117 51.6  2.0  5 mi. ENE of Coso Junction, CA     
 9/24  6:02 am  32 16.4  115 47.5  2.1  32 mi. SSW of Calexico, CA         
 9/24  7:36 am  34 13.9  116 46.0  2.5  5 mi. ESE of Big Bear City, CA     
 9/24  8:36 am  33 27.5  116 28.0  2.3  15 mi. NNW of Borrego Springs, CA  
 9/24  9:26 am  32 15.9  115 47.9  2.3  33 mi. SSW of Calexico, CA         
 9/24 11:34 am  34 26.9  116 15.4  3.4  21 mi. N of Joshua Tree, CA        
 9/24  5:25 pm  36  4.8  117 52.5  2.1  4 mi. ENE of Coso Junction, CA     
 9/24  7:21 pm  32 27.2  115 18.5  2.3  18 mi. SE of Calexico, CA          
 9/24  7:26 pm  33 40.5  116 44.1  2.0  4 mi. SSW of Idyllwild, CA         
 9/24  9:00 pm  34 10.2  117 44.1  3.1  4 mi. N of Claremont Colleges, CA  
                                        FELT throughout eastern San Gabriel
					Valley
 9/24  9:11 pm  34  9.7  117 44.3  2.0  4 mi. NNW of Claremont Colleges, CA
 9/25  1:37 pm  33  3.0  116  5.6  2.4  6 mi. SSE of Ocotillo Wells, CA   
 9/25 10:20 pm  33 10.8  115 35.7  2.1  2 mi. ENE of Obsidian Butte, CA   
 9/26 12:14 am  36  5.0  117 49.3  2.0  7 mi. ENE of Coso Junction, CA    
 9/26  9:58 am  34 55.8  116 24.9  2.8  30 mi. SW of Baker, CA            
 9/26  9:58 am  34 56.3  116 24.5  3.0  29 mi. SW of Baker, CA            
 9/26 10:34 am  34  1.2  116 42.8  2.0  7 mi. NNE of Cabazon, CA          
 9/26 12:01 pm  34 51.2  116 24.5  2.2  34 mi. SW of Baker, CA            
 9/26  1:27 pm  36  5.0  117 49.1  2.1  7 mi. ENE of Coso Junction, CA    
 9/26 10:39 pm  34 55.7  116 25.1  2.1  30 mi. SW of Baker, CA            
 9/26 10:57 pm  34 55.7  116 25.0  2.5  30 mi. SW of Baker, CA            
 9/27 12:04 am  34 56.0  116 24.6  2.8  29 mi. SW of Baker, CA            
 9/27  7:45 am  34 55.9  116 24.5  2.0  29 mi. SW of Baker, CA            
 9/27  8:27 am  33 18.0  116 13.4  2.0  9 mi. ENE of Borrego Springs, CA  
 9/27  8:28 am  33 17.8  116 13.6  2.0  8 mi. ENE of Borrego Springs, CA  
 9/27  4:08 pm  35 13.9  118 35.6  2.4  10 mi. NW of Tehachapi, CA        
 9/27  4:43 pm  35 13.9  118 35.4  2.2  10 mi. NW of Tehachapi, CA        
 9/28  2:55 am  36 29.9  117 53.3  2.0  12 mi. SE of Lone Pine, CA        
 9/28  6:29 am  34 24.9  116 10.6  2.1  20 mi. NNW of Twentynine Palms, CA
 9/28  6:57 am  35 48.5  117 36.7  2.0  13 mi. NNE of Ridgecrest, CA      
 9/28  7:07 am  36  4.9  117 49.1  2.2  7 mi. ENE of Coso Junction, CA    
 9/28 11:38 am  34 17.0  119 58.3  2.2  11 mi. SW of Isla Vista, CA       
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