Southern California Earthquakes in the Past Week

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

August 18, 2000


The time period covered is 5 pm on Thursday, August 10 (PDT) through 5 pm on Thursday, August 17 (PDT). During this period we dectected and analysed 258 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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 8/10  7:20 pm  34 22.8  117 42.4  2.2  4 mi. WNW of Wrightwood, CA        
 8/10  7:58 pm  33 31.9  116 32.8  2.1  7 mi. ESE of Anza, CA              
 8/11  2:33 am  34 48.2  116 20.7  2.7  35 mi. SSW of Baker, CA            
 8/11  2:49 am  34 47.3  116 17.5  2.4  35 mi. SSW of Baker, CA            
 8/11  7:09 am  34 51.0  118 57.1  2.9  2 mi. N of Frazier Park, CA        
 8/11  7:12 am  36  4.7  117 36.5  2.1  19 mi. E of Coso Junction, CA      
 8/11  8:10 am  36 23.4  117 51.0  2.1  11 mi. NE of Olancha, CA           
 8/12  5:30 am  34 35.7  116 17.0  2.5  31 mi. N of Joshua Tree, CA        
 8/12 11:07 am  34 19.6  116 27.9  2.3  14 mi. N of Yucca Valley, CA       
 8/12 11:53 am  34 38.7  116 17.4  2.0  35 mi. N of Joshua Tree, CA        
 8/12  2:33 pm  35 41.6  116 31.0  2.4  23 mi. SW of Shoshone, CA          
 8/12  4:04 pm  36 19.4  118  2.5  2.0  3 mi. NW of Olancha, CA            
 8/12  5:34 pm  34 24.8  116 29.6  2.2  20 mi. N of Yucca Valley, CA       
 8/12  6:39 pm  34 22.2  116  7.6  2.1  16 mi. NNW of Twentynine Palms, CA 
 8/12  6:46 pm  36 20.5  118  2.5  2.0  4 mi. NNW of Olancha, CA           
 8/12 10:34 pm  34 48.2  116 16.1  2.0  33 mi. SSW of Baker, CA            
 8/13  9:19 am  34 48.0  116 16.0  2.7  34 mi. SSW of Baker, CA            
 8/13 12:46 pm  34 40.0  116 17.7  2.9  36 mi. N of Joshua Tree, CA        
 8/13  7:01 pm  34 19.9  116 28.1  2.5  14 mi. N of Yucca Valley, CA       
 8/13  8:41 pm  32 17.9  115 20.4  2.5  27 mi. SSE of Calexico, CA         
 8/14 12:02 am  34  6.9  116 23.9  2.6  2 mi. E of Yucca Valley, CA        
                                        FELT in Yucca Valley
 8/14  6:38 am  35 48.6  117 33.0  2.0  10 mi. WNW of Trona, CA            
 8/14  8:42 am  33 51.8  118 42.1  2.0  11 mi. SSE of Pt. Dume, CA         
 8/14  9:15 am  35 48.8  117 33.0  2.5  10 mi. WNW of Trona, CA            
 8/14  9:49 am  34 48.0  116 16.1  2.2  33 mi. SSW of Baker, CA            
 8/14 10:01 am  32 53.8  115 29.8  2.1  5 mi. SSE of Brawley, CA           
 8/14 12:55 pm  34 21.8  116  8.6  2.1  16 mi. NNW of Twentynine Palms, CA 
 8/14  1:02 pm  34  4.3  118  4.9  2.0  Under Rosemead, CA                 
 8/14  1:48 pm  33 50.0  117  0.5  2.2  6 mi. NNW of Hemet, CA             
 8/15  9:24 pm  32  9.2  115  4.2  2.9  43 mi. SE of Calexico, CA          
 8/15 11:12 pm  34 40.3  116 20.5  2.2  37 mi. N of Joshua Tree, CA        
 8/16  3:47 am  34 39.8  116 17.4  2.0  36 mi. N of Joshua Tree, CA        
 8/16  4:33 am  34 48.4  116 15.9  2.0  33 mi. SSW of Baker, CA            
 8/16 10:36 am  34 35.7  116 13.9  2.0  32 mi. N of Joshua Tree, CA        
 8/16  9:43 pm  34 22.0  116 27.2  3.1  17 mi. N of Yucca Valley, CA       
                                        FELT in Landers
 8/16 11:48 pm  34 36.3  116 17.4  2.0  32 mi. N of Joshua Tree, CA        
 8/17  4:55 am  32 13.6  115 47.5  2.7  35 mi. SSW of Calexico, CA         
 8/17 10:31 am  33 27.3  116 23.8  2.0  13 mi. N of Borrego Springs, CA    
 8/17 10:41 am  34 40.6  116 17.5  2.4  37 mi. N of Joshua Tree, CA        
 8/17 11:23 am  34 11.1  117  2.4  2.0  3 mi. ESE of Running Springs, CA   
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