Southern California Earthquakes in the Past Week

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

July 1, 1999


The time period covered is 5 pm on Thursday, June 24 (PDT) through 5 pm on Thursday, July 1 (PDT). During this period, we detected and analysed 191 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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 6/24  8:58 pm  34  9.4  117 44.4  2.1  3 mi. NNW of Claremont Colleges, CA
 6/24  9:33 pm  33 13.5  116  0.8  3.1  4 mi. SW of Salton City, CA        
 6/25 12:47 am  35 20.9  116 47.8  2.1  5 mi. E of Goldstone Lake, CA      
 6/25  1:31 am  34  0.8  118 12.6  2.0  2 mi. WSW of East Los Angeles, CA  
 6/25  1:35 am  34  1.3  118 12.4  2.2  2 mi. WSW of East Los Angeles, CA  
 6/25  1:37 am  34  0.9  118 13.6  2.3  2 mi. SSE of Los Angeles Civic Center
 6/25  6:52 am  34  7.1  116 55.5  2.1  5 mi. WNW of Mt. San Gorgonio, CA    
 6/25  7:46 am  34 10.3  117  1.6  2.6  4 mi. ESE of Running Springs, CA     
 6/25 10:33 am  34 29.7  116 27.8  2.1  26 mi. N of Yucca Valley, CA         
 6/25  9:56 pm  32 35.9  116  9.3  2.1  13 mi. SW of Ocotillo, CA            
 6/26  9:33 pm  32 27.8  115 47.1  2.5  22 mi. SSE of Ocotillo, CA           
 6/27 12:21 am  36  5.8  117 37.8  2.1  18 mi. E of Coso Junction, CA        
 6/27  5:37 am  33 12.0  116  0.6  2.4  6 mi. SSW of Salton City, CA         
 6/27  8:01 am  36  8.4  118  3.5  2.6  9 mi. NW of Coso Junction, CA        
 6/27  9:38 am  33 59.4  118 24.0  2.1  Under Culver City, CA               
 6/28  1:37 am  33 10.8  115 39.5  2.0  1 mi. WNW of Obsidian Butte, CA      
 6/28  8:06 am  34  6.6  116 24.0  2.1  2 mi. ESE of Yucca Valley, CA        
 6/28  1:04 pm  35 40.4  118  5.2  2.5  21 mi. E of town of Lake Isabella, CA
 6/28  2:56 pm  33 46.4  116  9.2  2.7  5 mi. NE of Indio, CA                
 6/28  6:32 pm  32 34.7  116 10.4  2.8  15 mi. SW of Ocotillo, CA            
 6/28  6:37 pm  32 34.4  116 10.3  3.2  15 mi. SW of Ocotillo, CA            
 6/28  8:59 pm  35  2.1  117  0.6  2.9  10 mi. N of Barstow, CA              
 6/28 10:02 pm  34 24.6  118 22.9  2.1  9 mi. NNE of San Fernando, CA        
 6/28 10:30 pm  32 59.5  115 32.6  2.1  2 mi. NNW of Brawley, CA             
 6/28 11:06 pm  32 34.8  116 10.0  3.1  14 mi. SW of Ocotillo, CA            
 6/29  1:11 am  33 21.5  116 14.0  2.0  10 mi. NE of Borrego Springs, CA     
 6/29  1:48 am  33 58.0  117 10.1  2.1  6 mi. S of Redlands, CA              
 6/29  5:55 am  34  0.5  118 13.0  3.8  3 mi. SW of East Los Angeles, CA     
                                        FELT FROM WEST L.A. TO ORANGE CO.
 6/29  5:59 am  34  0.4  118 14.6  2.3  3 mi. S of Los Angeles Civic Center
 6/29  6:36 am  34  0.9  118 13.1  2.3  3 mi. SSE of Los Angeles Civic Center
 6/29  6:38 am  34  1.2  118 13.1  2.0  2 mi. SE of Los Angeles Civic Center
 6/29  7:35 am  34  0.7  118 13.7  2.7  3 mi. SSE of Los Angeles Civic Center
 6/29 10:50 am  32 34.0  116  9.5  2.1  15 mi. SW of Ocotillo, CA            
 6/29  4:49 pm  34  0.9  116 51.4  2.7  6 mi. N of Banning, CA               
 6/30  7:34 am  34 16.0  118 26.3  2.0  1 mi. S of Pacoima, CA               
 6/30  5:02 pm  34  2.6  117 15.3  2.0  Under Loma Linda, CA                
 6/30  8:20 pm  33 49.6  117 48.5  2.0  3 mi. NE of Orange, CA               
 6/30 10:00 pm  34 12.8  116 51.0  2.0  3 mi. S of Big Bear City, CA         
 7/1   1:37 am  36  8.8  117 58.4  2.0  7 mi. NNW of Coso Junction, CA       
 7/1   5:00 am  34  1.7  116 53.8  2.2  6 mi. SW of Mt. San Gorgonio, CA     
 7/1   5:08 am  34  2.1  117 16.9  2.0  1 mi. WSW of Loma Linda, CA          
 7/1   5:43 am  35  5.8  118 18.3  3.9  8 mi. WNW of Mojave, CA              
                                        FELT IN TEHACHAPI AREA
 7/1   2:35 pm  35  5.4  118 19.5  2.1  7 mi. ESE of Tehachapi, CA           
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