Southern California Earthquakes in the Past Week

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

June 25, 1999


The time period covered is 5 pm on Thursday, June 17 (PDT) through 5 pm on Thursday, June 24 (PDT). During this period, we detected and analysed 177 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. In the perepheral areas, quakes larger than M2.5 are listed. 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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 6/17  6:20 pm  32 41.9  116  0.9  2.2  2 mi. SSW of Ocotillo, CA                  
 6/17  6:20 pm  35 46.7  117 39.5  2.1  10 mi. N of Ridgecrest, CA                
 6/18  4:43 am  34 58.5  117  1.3  3.0  6 mi. N of Barstow, CA                   
 6/18  5:09 am  34 58.4  117  1.3  2.2  5 mi. N of Barstow, CA                   
 6/18  5:14 am  34 58.3  117  1.3  2.0  5 mi. N of Barstow, CA                   
 6/18  7:57 am  35  3.8  118 26.5  2.1  4 mi. S of Tehachapi, CA                 
 6/18 12:04 pm  34 58.3  117  1.7  2.5  5 mi. N of Barstow, CA                   
 6/18 12:21 pm  34 57.7  117  1.7  2.1  5 mi. N of Barstow, CA                   
 6/18  2:45 pm  33  9.8  116  1.3  2.2  6 mi. ENE of Ocotillo Wells, CA            
 6/18  9:20 pm  32 43.8  116  1.1  2.0  1 mi. WSW of Ocotillo, CA                  
 6/19 12:09 am  35 54.5  120  0.4  2.0  20 mi. NE of Cholame, CA                   
 6/19  5:38 am  32 11.5  115 19.9  2.5  34 mi. SSE of Calexico, CA                  
 6/19  8:05 am  34 58.0  117  1.7  2.0  5 mi. N of Barstow, CA                   
 6/19 11:56 am  35 21.1  118 35.1  2.2  17 mi. NNW of Tehachapi, CA                 
 6/19 12:13 pm  35 46.6  117 39.8  2.1  10 mi. N of Ridgecrest, CA                
 6/19  3:06 pm  32 34.2  116  9.9  2.2  15 mi. SW of Ocotillo, CA                  
 6/19  5:23 pm  33 52.7  118 16.0  2.2  2 mi. WSW of Compton, CA                   
 6/19  5:43 pm  34 19.9  116 27.7  2.8  14 mi. N of Yucca Valley, CA              
 6/19  8:06 pm  32 38.4  116  8.2  2.4  10 mi. SW of Ocotillo, CA                  
 6/20  5:24 am  32 35.6  116  8.9  2.0  13 mi. SW of Ocotillo, CA                  
 6/21  1:42 am  33 30.4  116 30.9  2.5  9 mi. ESE of Anza, CA                      
 6/21  7:33 am  35 18.5  116 22.6  2.2  17 mi. W of Baker, CA                     
 6/21 10:39 am  34 22.0  116 27.6  2.1  17 mi. N of Yucca Valley, CA              
 6/21  5:02 pm  33 15.8  116  0.3  3.1  2 mi. WSW of Salton City, CA               
 6/22  3:55 pm  34 37.0  118 16.6  2.4  6 mi. ESE of Elizabeth Lake, CA            
 6/22  6:29 pm  35  6.7  118 40.7  2.7  10 mi. SE of Arvin, CA                     
 6/22 10:02 pm  34 21.8  118 42.7  2.0  5 mi. N of Simi Valley, CA               
 6/23  5:04 am  32  3.1  116 15.7  2.5  49 mi. SSW of Ocotillo, CA                  
 6/23  5:40 am  32 39.8  115 38.8  2.1  8 mi. W of Calexico, CA                  
 6/23 11:43 am  35  4.4  118 20.6  2.2  7 mi. ESE of Tehachapi, CA                 
 6/23 12:26 pm  33 59.7  117 10.9  2.1  4 mi. S of Redlands, CA                  
 6/23 12:58 pm  33 32.0  118 20.0  2.2  12 mi. S of Pt. Fermin, San Pedro, CA     
 6/23  2:23 pm  33 20.2  116 56.4  2.3  4 mi. WSW of Palomar Observatory, CA       
 6/23  8:42 pm  32 45.6  118 35.7  2.3  15 mi. WSW of San Clemente Is., CA (SE tip) 
 6/24  5:45 am  33 30.1  116 30.6  2.9  10 mi. ESE of Anza, CA                      
 6/24  5:50 am  33 30.0  116 31.0  2.0  9 mi. ESE of Anza, CA                      
 6/24  8:23 am  33 39.1  119  4.1  2.1  12 mi. N of Santa Barbara Is. , CA        
 6/24  9:12 am  34 58.1  117  1.5  2.2  5 mi. N of Barstow, CA                   
 6/24 12:37 pm  34 58.5  117  1.4  2.4  5 mi. N of Barstow, CA                   
 6/24  1:51 pm  34  6.5  117 52.6  2.0  1 mi. NNE of Covina, CA                    
 6/24  3:49 pm  34 21.0  116 28.4  2.2  16 mi. N of Yucca Valley, CA              
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