Southern California Earthquakes in the Past Week

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

April 7, 2000


The time period covered is 4 pm on Thursday, March 30 (PST) through 5 pm on Thursday, April 6 (PST). During this period we dectected and analysed 377 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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 3/30  4:50 pm  34 13.3  117  1.2  2.1  4 mi. ENE of Running Springs, CA
 3/30  4:50 pm  34 17.2  117 21.4  2.2  5 mi. NNE of Devore, CA
 3/30  5:39 pm  34 34.6  116 16.0  2.0  30 mi. N of Joshua Tree, CA   
 3/30  5:51 pm  34 34.5  116 15.6  2.4  30 mi. N of Joshua Tree, CA   
 3/30  7:22 pm  34 51.7  116 24.5  2.1  33 mi. SW of Baker, CA        
 3/30  8:34 pm  36  0.3  117 52.2  2.0  5 mi. ESE of Coso Junction, CA
 3/30  8:45 pm  34 47.2  116 17.7  2.1  35 mi. SSW of Baker, CA       
 3/30  9:08 pm  34 47.8  116 16.2  2.4  34 mi. SSW of Baker, CA       
 3/30  9:39 pm  33 49.3  118  8.8  2.0  1 mi. NE of Signal Hill, CA   
 3/31 12:02 am  34 41.0  116 23.0  2.0  38 mi. N of Joshua Tree, CA   
 3/31 10:06 am  36  0.5  117 51.9  2.6  5 mi. ESE of Coso Junction, CA
 3/31 11:29 am  35 59.8  117 52.2  2.3  5 mi. SE of Coso Junction, CA 
 3/31 11:33 am  35 59.7  117 52.1  2.3  5 mi. SE of Coso Junction, CA 
 3/31  4:40 pm  34 12.4  117  1.4  2.7  4 mi. E of Running Springs, CA
 3/31  6:14 pm  33  4.6  116 29.4  2.5  6 mi. E of Julian, CA         
 3/31  7:41 pm  34 52.7  116 21.7  2.3  31 mi. SSW of Baker, CA       
 4/1  11:25 pm  33  7.1  117 53.3  2.0  25 mi. SSW of Dana Point, CA  
 4/1   3:10 am  34 51.6  116 24.5  3.2  33 mi. SW of Baker, CA        
 4/1   5:40 am  34 56.4  116 43.5  2.1  17 mi. ENE of Barstow, CA     
 4/1   6:50 am  36  4.5  117 52.8  2.1  4 mi. ENE of Coso Junction, CA
 4/1   6:53 am  34 34.7  116 15.9  2.5  30 mi. N of Joshua Tree, CA   
 4/1   8:43 am  34 51.6  116 23.4  2.1  33 mi. SSW of Baker, CA       
 4/1  11:20 am  36  2.2  117 51.3  2.6  5 mi. E of Coso Junction, CA  
 4/1  11:34 am  36  8.4  118  2.8  2.2  8 mi. NW of Coso Junction, CA 
 4/1  11:37 am  34 35.3  116 14.8  2.0  31 mi. N of Joshua Tree, CA   
 4/1  10:57 pm  33 59.7  117 13.3  2.9  4 mi. SSE of Loma Linda, CA   
 4/2   4:35 am  32  7.5  117  5.3  2.5  29 mi. S of San Ysidro, CA    
 4/2   4:36 am  32  5.8  117  4.3  2.6  31 mi. S of San Ysidro, CA    
 4/2   4:37 am  34 47.2  116 17.2  2.4  35 mi. SSW of Baker, CA       
 4/2  11:35 am  34 31.5  116 19.0  2.3  26 mi. N of Joshua Tree, CA   
 4/2  11:44 am  34 31.2  116 17.8  2.4  26 mi. N of Joshua Tree, CA   
 4/2  11:54 am  34 25.3  116 11.0  2.4  21 mi. NNW of Twentynine Palms, CA
 4/2  12:57 pm  34 31.4  116 17.5  2.1  26 mi. N of Joshua Tree, CA    
 4/2   1:10 pm  34 31.3  116 18.4  2.0  26 mi. N of Joshua Tree, CA    
 4/2   2:02 pm  34 31.2  116 18.5  2.0  26 mi. N of Joshua Tree, CA    
 4/2   3:30 pm  36  0.1  117 51.9  2.1  5 mi. ESE of Coso Junction, CA 
 4/2   5:57 pm  35 47.4  117 36.3  2.0  12 mi. NNE of Ridgecrest, CA   
 4/2   8:57 pm  35 59.7  117 52.2  2.6  5 mi. SE of Coso Junction, CA  
 4/3   9:38 am  32 33.8  115 35.7  2.1  9 mi. SW of Calexico, CA       
 4/3  11:59 am  34  1.7  116 19.5  3.6  7 mi. S of Joshua Tree, CA     
                                        FELT in Desert Hot Springs
 4/3   8:01 pm  34  5.9  117  1.1  2.0  4 mi. N of Yucaipa, CA         
 4/4  12:47 am  32  7.0  117  5.0  2.5  30 mi. S of San Ysidro, CA     
 4/4   1:12 am  33 58.8  116 24.4  2.1  5 mi. ENE of Desert Hot Springs, CA
 4/4   3:06 am  34 35.7  116 15.5  2.3  31 mi. N of Joshua Tree, CA      
 4/4   3:40 am  35 59.8  117 52.3  2.0  5 mi. SE of Coso Junction, CA    
 4/4   7:09 am  34 29.9  116 15.0  2.1  25 mi. N of Joshua Tree, CA      
 4/4  12:55 pm  32  2.3  115 44.3  2.5  45 mi. SSW of Calexico, CA       
 4/4   2:43 pm  34 53.8  118 46.9  2.3  7 mi. NNE of Gorman, CA          
 4/4   2:56 pm  35 30.8  120 48.0  2.0  7 mi. WNW of Atascadero, CA      
 4/4   4:18 pm  35  5.3  118 53.8  2.2  6 mi. NNE of Wheeler Ridge, CA   
 4/4   4:28 pm  34 48.0  116 16.5  2.0  34 mi. SSW of Baker, CA          
 4/4   6:53 pm  34 28.9  120 40.4  2.3  6 mi. SSW of Pt. Arguello, CA    
 4/4   7:28 pm  33 21.3  116 22.3  2.2  6 mi. N of Borrego Springs, CA   
 4/5   8:18 am  34 41.6  116 18.2  2.2  38 mi. N of Joshua Tree, CA      
 4/5  12:32 pm  34 53.8  118 46.9  2.3  8 mi. NNE of Gorman, CA          
 4/5   1:38 pm  34 30.1  116 17.1  3.3  25 mi. N of Joshua Tree, CA      
 4/5   5:25 pm  33 58.7  116 24.8  2.0  5 mi. ENE of Desert Hot Springs, CA
 4/5   8:46 pm  33 21.6  117 53.2  2.1  12 mi. SW of Dana Point, CA      
 4/6   8:35 am  34 34.5  116 16.1  2.2  30 mi. N of Joshua Tree, CA      
 4/6  10:51 am  34 53.1  116 20.7  2.6  30 mi. SSW of Baker, CA          
 4/6   1:02 pm  34 30.7  116 16.4  2.3  26 mi. N of Joshua Tree, CA      
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