Southern California Earthquakes in the Past Week

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

August 25, 2000


The time period covered is 5 pm on Thursday, August 17 (PDT) through 5 pm on Thursday, August 24 (PDT). During this period we dectected and analysed 295 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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 8/17  8:27 pm  34  6.4  116 48.8  2.2  Under Mt. San Gorgonio, CA       
 8/17  9:17 pm  33 43.2  117 27.0  2.0  7 mi. WNW of Lake Elsinore, CA   
 8/18 12:49 am  34 16.9  117  3.7  2.0  5 mi. NNE of Running Springs, CA 
 8/18  1:14 am  34 47.8  116 17.7  2.1  34 mi. SSW of Baker, CA          
 8/18  5:31 am  34 15.0  119 23.4  2.0  5 mi. WSW of Ventura, CA         
 8/18  6:48 am  34 40.6  116 21.9  2.0  37 mi. N of Joshua Tree, CA      
 8/18  7:43 am  34 43.9  116 17.7  2.6  38 mi. SSW of Baker, CA          
 8/18  8:25 am  32 14.5  115 46.5  2.8  33 mi. SSW of Calexico, CA       
 8/18  6:01 pm  33 18.3  116 18.3  3.7  5 mi. NE of Borrego Springs, CA  
                                        FELT as far as Murrieta, San Diego
 8/18  6:21 pm  33 19.6  116 20.0  2.1  5 mi. NNE of Borrego Springs, CA 
 8/18  6:56 pm  36  2.4  117 42.5  3.0  13 mi. E of Coso Junction, CA    
 8/18 11:19 pm  35 35.8  118 30.2  2.4  3 mi. SW of town of Lake Isabella, CA
 8/19  9:46 am  34 52.0  116 24.0  2.3  33 mi. SW  of Baker, CA              
 8/19  9:58 am  34 18.1  117  5.3  2.4  6 mi. N of Running Springs, CA       
 8/19 11:14 am  34 32.8  116 16.1  2.1  28 mi. N of Joshua Tree, CA          
 8/19  1:29 pm  36  2.5  117 42.5  2.0  13 mi. E of Coso Junction, CA        
 8/19  4:31 pm  34 21.6  116  8.7  2.4  16 mi. NNW of Twentynine Palms, CA   
 8/19  4:42 pm  34 21.5  116  8.6  2.2  16 mi. NNW of Twentynine Palms, CA   
 8/19  7:21 pm  34 38.9  116 17.1  2.3  35 mi. N of Joshua Tree, CA          
 8/20 12:33 am  33 18.9  116 18.8  2.1  5 mi. NE of Borrego Springs, CA      
 8/20  2:18 am  33 58.5  116 58.5  2.4  3 mi. N of Beaumont, CA              
 8/20  6:03 pm  34 48.1  116 16.0  2.7  33 mi. SSW of Baker, CA              
 8/20  6:09 pm  34 18.6  116 51.6  2.0  3 mi. N of Big Bear City, CA         
 8/20 10:35 pm  34 48.1  116 20.9  2.3  35 mi. SSW of Baker, CA              
 8/21 12:07 am  33  2.7  116  1.2  2.0  9 mi. SE of Ocotillo Wells, CA       
 8/21  2:28 pm  34 43.8  116 17.9  3.3  39 mi. SSW of Baker, CA              
 8/21  6:06 pm  34 12.0  116 58.8  2.1  4 mi. SW  of town of Big Bear Lake, CA
 8/21  8:50 pm  32 44.6  115 29.4  2.3  5 mi. N of Calexico, CA               
 8/22  3:05 am  35 49.0  116 35.1  2.4  20 mi. WSW of Shoshone, CA            
 8/22  4:16 am  33 23.1  116 17.5  2.0  10 mi. NNE of Borrego Springs, CA     
 8/22  6:23 am  33 49.5  117  0.4  2.2  5 mi. NNW of Hemet, CA                
 8/22  7:27 am  34 31.5  116 17.3  2.8  26 mi. N of Joshua Tree, CA           
 8/22  9:24 am  34 22.0  116  8.6  2.0  16 mi. NNW of Twentynine Palms, CA    
 8/22 11:33 am  32 35.1  116  9.2  2.2  13 mi. SW of Ocotillo, CA             
 8/22 11:46 am  33 28.9  116 28.1  2.0  12 mi. ESE of Anza, CA                
 8/22 12:42 pm  34 12.0  116 58.7  2.0  4 mi. SW of town of Big Bear Lake, CA 
 8/22  3:42 pm  34  0.3  117  1.4  2.4  2 mi. SSE of Yucaipa, CA              
 8/22  6:31 pm  34 41.5  115 44.1  2.1  42 mi. NNE of Twentynine Palms, CA    
 8/22  7:11 pm  34  2.3  117  0.8  2.2  1 mi. ENE of Yucaipa, CA              
 8/22  9:41 pm  36  4.9  117 36.3  3.4  19 mi. E of Coso Junction, CA         
                                        FELT in Weldon
 8/22  9:42 pm  36  4.6  117 36.3  2.0  19 mi. E of Coso Junction, CA         
 8/23  3:05 am  34 41.4  116 17.6  2.2  38 mi. N of Joshua Tree, CA           
 8/23  3:31 am  34 48.1  116 16.1  2.0  33 mi. SSW of Baker, CA               
 8/23  7:25 am  34 28.9  118  3.4  2.3  7 mi. SSE of Palmdale, CA             
 8/23  8:45 am  32 36.0  115 50.4  2.3  12 mi. SE of Ocotillo, CA             
 8/23 12:52 pm  34 48.7  116 16.2  2.2  33 mi. SSW of Baker, CA               
 8/23  2:23 pm  34 23.9  116 10.9  2.2  19 mi. NNW of Twentynine Palms, CA    
 8/23  7:09 pm  34 41.7  116 17.7  2.3  38 mi. N of Joshua Tree, CA           
 8/24 12:45 am  33 54.9  116 47.7  2.1  Under Cabazon, CA                   
 8/24  2:42 pm  32 22.2  117 40.9  3.0  37 mi. SW of Mission Beach, CA        
 8/24  3:50 pm  34 36.8  116 17.4  2.3  32 mi. N of Joshua Tree, CA           
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