Southern California Earthquakes in the Past Week

Nick Scheckel , Seismological Laboratory
Lucy Jones, U. S. Geological Survey
California Institute of Technology

April 29, 1999


The time period covered is 5 pm on Thursday, April 23 (PDT) through 5 pm on Thursday, April 29 (PDT). During this period, we detected and analysed 174 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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 4/22  7:47 pm  33 35.0  116 49.5  2.0  9 mi. WNW of Anza, CA                      
 4/22 10:10 pm  36  0.4  117 47.8  2.1  8 mi. ESE of Coso Junction, CA             
 4/22 10:14 pm  36  0.5  117 47.9  2.3  8 mi. ESE of Coso Junction, CA             
 4/23  3:24 am  34 16.3  117  1.0  2.0  6 mi. NE  of Running Springs, CA           
 4/23  6:48 am  32 34.7  116  9.6  2.3  14 mi. SW of Ocotillo, CA                  
 4/23 10:17 am  32 13.7  116 32.0  2.3  37 mi. SE of San Ysidro, CA                
 4/23 10:46 am  33 28.7  116 30.5  2.1  10 mi. ESE of Anza, CA                      
 4/23  8:01 pm  35 40.7  119 41.0  2.4  28 mi. NE of Simmler, CA                   
 4/23 10:24 pm  34  9.7  116 25.4  2.3  3 mi. NNE of Yucca Valley, CA              
 4/23 10:25 pm  34  9.8  116 25.3  2.1  3 mi. NNE of Yucca Valley, CA              
 4/24  1:55 am  35 10.4  119  2.5  2.1  12 mi. NNW of Wheeler Ridge, CA             
 4/24  8:38 am  32 35.8  116  9.7  2.9  13 mi. SW of Ocotillo, CA                  
 4/24 10:42 am  33 59.1  116 24.3  3.1  5 mi. ENE of Desert Hot Springs, CA
					FELT        
 4/24 12:27 pm  34  2.3  117 15.4  2.1  Under Loma Linda, CA                
 4/24  2:49 pm  34 12.8  119 38.8  2.0  14 mi. SSE of downtown Santa Barbara, CA    
 4/24  4:00 pm  33 48.8  117  2.2  2.0  5 mi. NW of Hemet, CA                     
 4/24  4:05 pm  34 18.6  116 26.3  2.0  13 mi. N of Yucca Valley, CA              
 4/26 12:18 am  36 19.4  118 20.0  2.4  17 mi. S of Mt. Whitney, CA               
 4/26  4:17 am  35  4.7  118 43.2  2.0  10 mi. SE of Arvin, CA                     
 4/26  4:26 am  32  3.0  115 39.0  2.6  43 mi. SSW of Calexico, CA                  
 4/26  4:37 am  32  3.3  115 38.5  2.6  43 mi. SSW of Calexico, CA                  
 4/26  4:41 am  32  3.2  115 40.6  2.6  43 mi. SSW of Calexico, CA                  
 4/26  5:44 am  32  6.2  115 33.2  2.6  39 mi. S of Calexico, CA                  
 4/26  6:53 am  36 16.6  118 19.6  2.2  20 mi. S of Mt. Whitney, CA               
 4/26  8:49 am  33 35.3  118 17.3  2.1  8 mi. S of Pt. Fermin, San Pedro, CA     
 4/26  9:37 am  33 59.4  116 24.3  2.0  5 mi. ENE of Desert Hot Springs, CA        
 4/26  3:42 pm  33 59.3  116 24.5  2.2  5 mi. ENE of Desert Hot Springs, CA        
 4/26  5:21 pm  32 45.8  115 25.5  2.3  7 mi. NNE of Calexico, CA                  
 4/26  6:38 pm  33 34.9  116 49.6  2.4  9 mi. WNW of Anza, CA                      
 4/26  8:04 pm  35 53.9  118 21.4  2.5  19 mi. NNE of town of Lake Isabella, CA     
 4/26  8:21 pm  34 26.3  116 29.1  2.1  22 mi. N of Yucca Valley, CA              
 4/27 12:03 am  35 54.2  118 21.4  2.1  19 mi. NNE of town of Lake Isabella, CA     
 4/27 12:46 am  32  4.2  115 23.4  2.7  41 mi. S of Calexico, CA                  
 4/27  7:27 am  34  1.7  116 49.6  2.0  4 mi. S of Mt. San Gorgonio, CA          
 4/27 12:21 pm  32 34.0  116  9.5  2.0  15 mi. SW of Ocotillo, CA                  
 4/27  3:53 pm  36 10.6  118  8.4  2.1  10 mi. SW of Olancha, CA                   
 4/27  8:27 pm  36 17.3  118 19.5  2.2  20 mi. S of Mt. Whitney, CA               
 4/28  8:39 am  35 20.2  118 34.5  2.0  16 mi. NNW of Tehachapi, CA                 
 4/28 10:29 am  32 35.6  116  8.9  2.1  13 mi. SW of Ocotillo, CA                  
 4/28 11:21 am  32 36.1  116  8.9  2.4  12 mi. SW of Ocotillo, CA                  
 4/28  4:44 pm  33  1.3  115 34.6  2.8  2 mi. ESE of Westmorland, CA               
 4/28  6:01 pm  35 50.3  119 39.4  2.7  38 mi. NNE of Simmler, CA                   
 4/28  6:16 pm  34  9.7  117 43.7  2.5  3 mi. N of Claremont Colleges, CA        
 4/28  6:20 pm  33  1.4  115 34.5  2.8  2 mi. ESE of Westmorland, CA               
 4/28 11:27 pm  34 11.9  119  4.4  2.8  2 mi. WSW of Camarillo, CA, 
					FELT                 
 4/29 12:40 am  32 10.2  117  0.4  2.0  26 mi. S of San Ysidro, CA                
 4/29  1:24 am  34  6.1  115 48.4  2.3  14 mi. E of Twentynine Palms, CA          
 4/29  6:44 am  35 41.2  119 38.8  2.7  30 mi. NE of Simmler, CA                   
 4/29  8:37 am  32 35.7  116 10.3  2.4  14 mi. SW of Ocotillo, CA                  
 4/29 10:29 am  33  8.8  115 38.4  2.2  1 mi. S of Obsidian Butte, CA            
 4/29 11:42 am  33 20.5  116 17.7  2.1  7 mi. NE of Borrego Springs, CA           
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