Southern California Earthquakes in the Past Week

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

January 29, 1999


The time period covered is 4 pm on Thursday, January 21 (PST) through 4 pm on Thursday, January 28 (PST). During this period, we detected and analysed 173 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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 1/21  6:18 pm  32 43.5  115 55.3  2.5  4 mi. E of Ocotillo, CA          
 1/22  1:18 am  33 57.7  117 13.4  2.0  6 mi. SSE of Loma Linda, CA      
 1/22  9:22 am  33 10.6  115 36.4  2.1  1 mi. ENE of Obsidian Butte, CA  
 1/22 11:04 am  34  1.7  119 13.9  2.0  8 mi. S of Port Hueneme, CA      
 1/22  3:50 pm  35 20.5  118 34.0  3.1  16 mi. NNW of Tehachapi, CA      
 1/22  4:41 pm  33 59.7  118 21.9  2.4  Under Baldwin Hills, CA; FELT
 1/23  2:28 am  32 46.7  115 26.4  2.4  6 mi. E of El Centro, CA         
 1/23  7:16 am  36  3.8  117 49.6  2.0  6 mi. E of Coso Junction, CA     
 1/23  7:43 am  32  4.2  115 25.3  2.7  41 mi. S of Calexico, CA         
 1/23 12:33 pm  34  3.8  117 16.6  2.2  1 mi. NW of Loma Linda, CA       
 1/23  3:54 pm  33 58.0  117 13.8  2.3  5 mi. SSE of Loma Linda, CA      
 1/24  7:39 am  33 54.0  119 34.0  2.0  9 mi. SSW of Santa Cruz Is., CA 
 1/24  2:24 pm  34 17.5  118 22.9  2.8  1 mi. NW of Lake View Terrace, CA
 1/24  3:58 pm  34 19.0  116 50.6  3.4  3 mi. N of Big Bear City, CA; FELT
 1/24  4:20 pm  34 19.1  116 50.6  2.3  3 mi. N of Big Bear City, CA     
 1/24 10:05 pm  34 37.7  116 33.3  2.2  25 mi. ENE of Lucerne Valley, CA 
 1/24 10:18 pm  32 43.7  115 24.7  2.4  6 mi. NE of Calexico, CA         
 1/24 11:34 pm  36 36.2  118  2.0  2.0  1 mi. E of Lone Pine, CA         
 1/25  7:46 am  34  4.6  117 18.7  2.1  2 mi. SSW of San Bernardino, CA  
 1/26  1:36 am  32 43.9  115 55.5  2.3  4 mi. E of Ocotillo, CA          
 1/26  5:46 am  34 21.4  118 39.0  2.3  5 mi. WSW of Valencia, CA        
 1/26  7:11 pm  36  0.2  117 47.1  2.2  9 mi. ESE of Coso Junction, CA   
 1/26  7:32 pm  36  0.2  117 47.0  2.5  9 mi. ESE of Coso Junction, CA   
 1/26  7:35 pm  32 53.2  116 14.6  2.1  18 mi. SSW of Ocotillo Wells, CA 
 1/26 10:23 pm  34  1.9  117 15.1  2.2  1 mi. S of Loma Linda, CA        
 1/26 10:55 pm  36  1.2  117 46.0  2.4  10 mi. E of Coso Junction, CA    
 1/27  7:58 am  36  3.7  117 50.3  2.3  6 mi. E of Coso Junction, CA     
 1/27  8:50 am  33  9.7  116  5.1  2.0  2 mi. ENE of Ocotillo Wells, CA  
 1/27 12:16 pm  32 39.7  115 58.3  2.0  5 mi. SSE of Ocotillo, CA        
 1/27  2:33 pm  32 42.5  115 54.8  2.3  5 mi. ESE of Ocotillo, CA        
 1/28  9:50 am  34 23.4  116 28.1  2.1  18 mi. N of Yucca Valley, CA     
 1/28 12:19 pm  34 23.5  118 37.4  2.5  3 mi. W of Valencia, CA          
 1/28  1:03 pm  34 22.7  118 40.1  2.1  6 mi. W of Valencia, CA          
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