Southern California Earthquakes in the Past Week

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

July 21, 2000


The time period covered is 5 pm on Thursday, July 13 (PDT) through 5 pm on Thursday, July 20 (PDT). During this period we dectected and analysed 291 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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 7/13  6:44 pm  35 45.0  118 28.3  2.3  7 mi. N of town of Lake Isabella, CA
 7/13  9:51 pm  34  2.6  117 15.4  2.0  Under Loma Linda, CA                
 7/14  4:16 am  33 30.8  116 29.5  2.0  10 mi. ESE of Anza, CA              
 7/14  4:16 am  34 31.9  116 15.6  2.1  27 mi. N of Joshua Tree, CA         
 7/14  4:51 am  34  8.8  116 42.8  2.0  7 mi. ENE of Mt. San Gorgonio, CA   
 7/14  5:12 am  34  2.2  117 33.4  2.0  5 mi. SSE of Rancho Cucamonga, CA   
 7/14  5:56 am  34 34.4  118 43.7  2.7  7 mi. WNW of Castaic Lake dam, CA   
 7/14  6:03 am  34 21.9  116  8.1  2.1  16 mi. NNW of Twentynine Palms, CA  
 7/14  6:44 am  34 34.0  118 43.3  2.2  6 mi. WNW of Castaic Lake dam, CA   
 7/14  7:38 am  34  2.3  117 33.3  2.1  5 mi. SSE of Rancho Cucamonga, CA   
 7/14  7:41 am  34 21.4  116  8.3  2.1  15 mi. NNW of Twentynine Palms, CA  
 7/14 11:00 am  34 40.0  116 17.6  2.2  36 mi. N of Joshua Tree, CA         
 7/14  3:24 pm  34 49.1  116 24.4  3.8  36 mi. SSW of Baker, CA             
 7/14  3:39 pm  34 49.4  116 24.0  2.9  35 mi. SSW of Baker, CA             
 7/14  3:41 pm  34 49.5  116 24.3  2.6  35 mi. SSW of Baker, CA             
 7/14  6:07 pm  34 48.9  116 24.7  2.2  36 mi. SSW of Baker, CA             
 7/14  7:31 pm  34 49.4  116 24.4  2.3  35 mi. SSW of Baker, CA             
 7/14  8:02 pm  36 20.0  118  2.2  2.0  3 mi. NNW of Olancha, CA            
 7/15  1:55 am  35  9.8  118 52.9  2.3  4 mi. SW of Arvin, CA               
 7/15  6:37 am  36 20.0  118  2.6  2.1  4 mi. NNW of Olancha, CA            
 7/15 10:10 am  34 34.1  116 14.8  2.5  30 mi. N of Joshua Tree, CA         
 7/15  2:33 pm  34 48.1  116 15.4  2.9  33 mi. SSW of Baker, CA             
 7/15  3:14 pm  35 16.5  119 19.5  2.3  11 mi. NE of Taft, CA               
 7/15  6:03 pm  34 21.3  116  8.8  2.2  16 mi. NNW of Twentynine Palms, CA  
 7/15  8:04 pm  34 51.7  116 24.4  2.3  33 mi. SW of Baker, CA              
 7/16  2:10 pm  36  4.1  118 55.7  2.2  5 mi. E of Porterville, CA          
 7/16  2:50 pm  35 54.9  118  7.0  2.0  13 mi. SW of Coso Junction, CA      
 7/16 10:27 pm  33 50.7  118  7.2  2.2  1 mi. SSE of Lakewood, CA           
 7/16 11:50 pm  32 36.8  116  4.9  3.0  9 mi. SSW of Ocotillo, CA           
 7/17 12:58 am  36  8.3  118  2.6  2.2  8 mi. NW of Coso Junction, CA       
 7/17  8:06 am  32 57.3  117 48.3  2.2  29 mi. SW of Oceanside, CA          
 7/17 12:29 pm  35 15.4  118 34.0  2.3  11 mi. NW of Tehachapi, CA          
 7/17  5:35 pm  34 51.7  116 24.4  2.2  33 mi. SW of Baker, CA              
 7/17  7:01 pm  33 59.5  119 10.7  2.0  10 mi. S of Port Hueneme, CA        
 7/17  8:57 pm  34 11.4  119 39.9  3.4  14 mi. SSE of downtown Santa Barbara, CA   
                                        FELT in Santa Barbara area
 7/17 10:10 pm  34 12.7  119 39.0  2.5  14 mi. SSE of downtown Santa Barbara, CA    
 7/17 10:27 pm  34 10.2  119 40.4  2.3  14 mi. SSE of downtown Santa Barbara, CA    
 7/17 10:37 pm  34 10.8  119 40.4  2.6  14 mi. SSE of downtown Santa Barbara, CA   
 7/17 10:50 pm  34 39.2  116 17.3  2.1  35 mi. N of Joshua Tree, CA       
 7/18 12:25 pm  34 22.6  119  0.3  2.1  5 mi. WSW of Fillmore, CA         
 7/18  6:22 pm  34 49.0  116 25.0  3.1  36 mi. SSW of Baker, CA           
 7/18  6:25 pm  34 49.1  116 24.3  2.1  36 mi. SSW of Baker, CA           
 7/18  6:26 pm  34 49.5  116 24.5  2.4  35 mi. SSW of Baker, CA           
 7/18  6:46 pm  32 27.5  115 27.9  2.5  14 mi. S of Calexico, CA          
 7/18  8:10 pm  34 49.6  116 24.8  2.0  35 mi. SSW of Baker, CA           
 7/18 10:21 pm  32 33.8  116  9.7  2.6  15 mi. SW of Ocotillo, CA         
 7/19  2:32 am  32 25.7  115 26.6  2.3  16 mi. S of Calexico, CA          
 7/19  4:03 am  34 49.5  116 24.4  2.1  35 mi. SSW of Baker, CA           
 7/19  5:15 am  34 29.9  116 15.6  2.2  25 mi. N of Joshua Tree, CA       
 7/19  5:18 am  34 41.1  116 20.1  2.5  37 mi. N of Joshua Tree, CA       
 7/19  5:31 am  34 40.7  116 20.4  2.9  37 mi. N of Joshua Tree, CA       
 7/19  5:02 pm  33 30.4  116 27.6  2.1  12 mi. ESE of Anza, CA            
 7/19  5:21 pm  34 51.6  116 24.5  2.1  33 mi. SW of Baker, CA            
 7/20  3:31 am  34  9.7  116 49.3  2.2  4 mi. N of Mt. San Gorgonio, CA   
 7/20 11:36 am  34 48.7  116 16.1  2.1  33 mi. SSW of Baker, CA           
 7/20  2:02 pm  34 19.8  116 28.3  2.3  14 mi. N of Yucca Valley, CA      
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