Southern California Earthquakes in the Past Week

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

March 12, 1999


The time period covered is 4 pm on Thursday, March 4 (PST) through 4 pm on Thursday, March 11 (PST). During this period, we detected and analysed 159 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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 3/4   6:00 pm  32 24.2  115 22.2  2.6  19 mi. SSE of Calexico, CA      
 3/4   7:23 pm  33  0.6  115 50.5  2.3  12 mi. W of Westmorland, CA     
 3/4  10:13 pm  33 58.1  116 21.1  3.5  8 mi. E of Desert Hot Springs, CA
                                        FELT
 3/5   1:53 am  34 24.4  116 28.3  2.0  20 mi. N of Yucca Valley, CA     
 3/5   6:38 pm  34 34.7  118 48.8  2.3  11 mi. WNW of Castaic Lake dam, CA
 3/5   8:44 pm  34 10.1  117 48.6  2.0  3 mi. NE of Glendora, CA          
 3/6  12:51 am  36 59.3  117 26.4  2.9  31 mi. NNW of Stovepipe Wells, CA 
 3/6   3:00 am  35 49.1  118  6.2  2.2  17 mi. SSW of Coso Junction, CA   
 3/6   5:01 am  33 15.0  115 59.8  2.0  2 mi. SW of Salton City, CA       
 3/6   7:01 am  32 35.7  116  9.1  2.0  13 mi. SW of Ocotillo, CA         
 3/6  12:55 pm  35 49.5  115 43.6  2.3  32 mi. ESE of Shoshone, CA        
 3/7   1:59 am  36  2.1  117 34.7  2.3  21 mi. NNW of Trona, CA           
 3/7   2:46 am  36  0.1  117 47.9  2.0  8 mi. ESE of Coso Junction, CA    
 3/7   5:53 am  32 14.5  116 27.1  2.5  40 mi. ESE of San Ysidro, CA      
 3/7   7:50 am  33 21.3  116 23.7  2.7  7 mi. N of Borrego Springs, CA    
 3/7  11:07 am  36  3.8  117 50.2  2.1  6 mi. ENE of Coso Junction, CA    
 3/7   7:09 pm  34  3.5  118 23.7  2.2  0 mi. SSE of Beverly Hills, CA    
 3/8   2:52 am  34 19.9  118 27.8  2.7  3 mi. NNW of San Fernando, CA     
 3/8   3:26 am  34 19.6  118 29.2  2.0  3 mi. NNE of Granada Hills, CA    
 3/8   4:03 am  34 20.3  118 28.2  2.2  4 mi. NNW of San Fernando, CA     
 3/8   4:09 am  34 20.1  118 28.4  3.0  4 mi. NNW of San Fernando, CA; FELT
                                        in Sylmar, San Fernando 
 3/8   9:41 am  34 20.4  118 28.3  2.4  4 mi. NNW of San Fernando, CA     
 3/8  11:29 am  34 13.1  119 30.8  2.2  12 mi. S of Carpinteria, CA       
 3/8   4:05 pm  33 49.8  118 26.3  2.1  3 mi. W of Redondo Beach, CA      
 3/8  10:33 pm  34 15.3  116 26.2  2.1  9 mi. N of Yucca Valley, CA       
 3/9  11:35 am  34 22.9  116 27.4  2.2  18 mi. N of Yucca Valley, CA      
 3/10  2:26 am  34 37.4  116 33.2  2.6  25 mi. ENE of Lucerne Valley, CA  
 3/10  8:42 am  34 16.9  116 26.9  2.1  11 mi. N of Yucca Valley, CA      
 3/10  9:26 am  33 11.9  116  0.5  2.8  6 mi. SSW of Salton City, CA      
 3/10  8:04 pm  34 20.6  116 27.8  2.1  15 mi. N of Yucca Valley, CA      
 3/11 12:36 am  33 57.3  118 58.2  2.4  6 mi. SSW of Leo Carrillo State Beach
 3/11  1:56 am  36  9.1  116 54.8  2.2  9 mi. E of Telescope Peak, CA    
 3/11  6:08 am  36  3.9  117 50.1  2.2  6 mi. ENE of Coso Junction, CA   
 3/11  6:20 am  33 57.5  117 13.7  2.0  6 mi. SSE of Loma Linda, CA      
 3/11  7:11 am  34 19.7  116 50.7  3.0  4 mi. N of Big Bear City, CA     
 3/11 12:52 pm  33 59.7  117 10.8  2.2  4 mi. S of Redlands, CA          
 3/11  3:18 pm  34 36.3  116 38.7  2.0  20 mi. ENE of Lucerne Valley, CA 
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