Southern California Earthquakes in the Past Week

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

December 18, 1998


The time period covered is 4 pm on Thursday, December 10 (PDT) through 4 pm on Thursday, December 17 (PST). During this period, we detected and analysed 183 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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12/10 10:03 pm  35 20.6  118 32.7  3.6  15 mi. NNW of Tehachapi, CA
12/10 10:04 pm  35 20.6  118 33.2  2.6  15 mi. NNW of Tehachapi, CA
12/10 10:06 pm  35 20.7  118 33.8  2.0  16 mi. NNW of Tehachapi, CA
12/10 10:54 pm  35 20.6  118 33.0  2.5  15 mi. NNW of Tehachapi, CA
12/10 11:16 pm  33 20.8  115 43.2  2.1  Under Bombay Beach, CA 
12/11 12:14 am  34 18.3  120 47.8  3.7  20 mi. SSW of Pt. Arguello, CA
12/11 12:42 am  32 30.3  115 14.2  2.9  18 mi. SE of Calexico, CA    
12/11  1:01 am  32 31.8  115 14.5  2.6  17 mi. ESE of Calexico, CA    
12/11  3:01 am  32 48.8  115 28.1  2.2  5 mi. ENE of El Centro, CA    
12/11  4:48 am  34 11.5  116 49.5  2.2  5 mi. SSE of Big Bear City, CA
12/11  5:49 am  36 57.3  117 27.6  2.3  29 mi. NW of Stovepipe Wells, CA
12/11  8:37 am  34 20.6  120 44.1  3.3  16 mi. SSW of Pt. Arguello, CA  
12/11 12:40 pm  34 25.3  117 43.5  2.2  7 mi. NW of Wrightwood, CA     
12/12  5:02 am  34 21.9  116 28.1  2.5  17 mi. N of Yucca Valley, CA  
12/12  5:29 am  34 25.0  116 28.7  2.1  20 mi. N of Yucca Valley, CA  
12/12  7:03 am  34  0.6  116 46.5  3.5  6 mi. N of Cabazon, CA        
12/12  8:16 am  33 16.5  116 47.2  2.4  2 mi. NNW of Lake Henshaw, CA   
12/12 10:11 am  36 39.2  116 59.6  2.1  9 mi. ENE of Stovepipe Wells, CA
12/12 11:41 am  32 48.9  115 36.8  2.0  3 mi. WNW of El Centro, CA      
12/12  2:52 pm  32 48.7  115 36.5  2.5  3 mi. WNW of El Centro, CA      
12/12  6:14 pm  34  5.9  118  6.3  2.0  Under San Gabriel, CA    
12/12  6:18 pm  35 20.6  118 32.9  2.0  15 mi. NNW of Tehachapi, CA     
12/12 11:39 pm  32 43.4  115 55.2  3.7  4 mi. E of Ocotillo, CA       
12/13 12:11 am  32 43.3  115 55.1  2.8  4 mi. ESE of Ocotillo, CA       
12/13  3:53 am  34 20.2  116 27.5  2.0  15 mi. N of Yucca Valley, CA  
12/13  7:15 am  32 48.8  115 36.5  2.2  3 mi. WNW of El Centro, CA      
12/13 10:57 am  33 16.3  116 47.9  2.2  3 mi. NW of Lake Henshaw, CA   
12/13  3:09 pm  33 57.3  118 19.1  2.5  Under Inglewood, CA      
12/13  3:28 pm  33 58.5  118 18.9  2.0  1 mi. NNE of Inglewood, CA      
12/13  6:21 pm  33 54.0  118 31.4  2.1  5 mi. WSW of Los Angeles Airport, CA
12/13  7:15 pm  34 25.0  116 28.9  2.3  20 mi. N of Yucca Valley, CA  
12/13  7:44 pm  33 16.4  116 47.6  2.2  3 mi. NW of Lake Henshaw, CA   
12/13  9:13 pm  32  0.6  115 43.8  2.6  47 mi. SSW of Calexico, CA      
12/14  4:18 am  32 31.5  115 14.5  2.0  17 mi. SE of Calexico, CA      
12/14  8:38 am  33 59.8  116 52.2  2.1  4 mi. N of Banning, CA        
12/14  9:18 am  34 36.6  116 39.6  2.4  19 mi. NE of Lucerne Valley, CA
12/14 10:28 am  35 10.4  117 39.9  2.2  11 mi. N of Boron, CA         
12/14  3:26 pm  34  0.8  116 19.4  2.6  8 mi. S of Joshua Tree, CA    
12/14  4:17 pm  33 16.5  116 46.8  2.1  2 mi. NNW of Lake Henshaw, CA   
12/14  6:50 pm  34 20.6  120 46.3  2.0  17 mi. SSW of Pt. Arguello, CA  
12/15  1:36 am  35 45.9  117 37.2  2.1  10 mi. NNE of Ridgecrest, CA    
12/15  2:42 pm  32 58.6  117 42.2  2.4  23 mi. SW of Oceanside, CA     
12/15  5:23 pm  33 21.8  115 41.4  2.1  2 mi. ENE of Bombay Beach, CA   
12/16  1:53 am  35 55.1  119 50.0  2.5  29 mi. ENE of Cholame, CA       
12/16  3:54 am  34 21.7  118 41.2  2.2  5 mi. NNE of Simi Valley, CA    
12/16  1:14 pm  34 12.8  117 38.0  2.1  5 mi. S of Mt. Baldy, CA      
12/16  5:49 pm  36  2.2  117 35.0  3.3  22 mi. NNW of Trona, CA         
12/16  7:01 pm  32  3.2  115 26.1  3.0  42 mi. S of Calexico, CA      
12/17 12:57 am  34 31.5  119  6.7  2.0  9 mi. NE of Ojai, CA           
12/17  7:07 am  36  5.1  117 35.9  2.3  19 mi. E of Coso Junction, CA 
12/17  2:13 pm  34 37.2  116 39.8  2.4  20 mi. NE of Lucerne Valley, CA
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