Southern California Earthquakes in the Past Week

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

January 15, 1999


The time period covered is 4 pm on Thursday, January 7 (PST) through 4 pm on Thursday, January 14 (PST). During this period, we detected and analysed 165 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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 1/7   6:03 pm  34  4.3  116 42.9  2.0  6 mi. ESE of Mt. San Gorgonio, CA 
 1/7   9:23 pm  33  5.4  119  1.2  2.5  26 mi. S of Santa Barbara Is. , CA
 1/7  10:23 pm  33 23.9  116 57.6  2.2  6 mi. WNW of Palomar Observatory, CA
 1/8  12:44 pm  35 52.9  119 49.5  2.2  28 mi. ENE of Cholame, CA       
 1/8   1:21 pm  32 45.0  115 25.8  2.1  6 mi. NE of Calexico, CA        
 1/8   4:27 pm  34 12.2  119 38.3  2.7  13 mi. NNW of Santa Cruz Is., CA
 1/9   5:43 am  35 38.3  117 36.4  2.4  3 mi. ENE of Ridgecrest, CA     
 1/9   6:55 am  33 10.7  115 35.5  2.1  2 mi. ENE of Obsidian Butte, CA 
 1/9   9:19 am  34 59.2  119 16.6  2.1  14 mi. SE of Taft, CA           
 1/9  11:40 am  32 10.6  115  5.7  2.7  41 mi. SE of Calexico, CA       
 1/9  11:40 am  32 10.1  115  5.4  3.0  41 mi. SE of Calexico, CA       
 1/9  10:28 pm  34 28.3  116 29.9  2.0  24 mi. N of Yucca Valley, CA    
 1/9  11:19 pm  32 16.4  118 19.4  2.5  37 mi. S of San Clemente Is., CA
 1/10  1:05 am  35  1.3  117  0.9  2.2  9 mi. N of Barstow, CA          
 1/10  7:20 am  34 56.3  119 13.4  2.9  16 mi. WSW of Wheeler Ridge, CA 
 1/11  5:30 am  34 11.6  116 49.8  2.6  5 mi. SSE of Big Bear City, CA  
 1/11  6:00 am  34 11.8  116 49.7  2.4  4 mi. SSE of Big Bear City, CA  
 1/11  5:58 pm  34 14.0  118 26.8  2.4  Under Panorama City, CA             
 1/11  8:50 pm  34 14.1  116 45.1  2.3  6 mi. ESE of Big Bear City, CA  
 1/12  2:08 am  34  7.1  119  9.3  2.5  3 mi. ESE of Port Hueneme, CA; FELT
 1/12 10:21 am  34 22.1  120 42.0  2.6  14 mi. SSW of Pt. Arguello, CA  
 1/12 12:57 pm  34  3.4  116 58.7  2.1  3 mi. ENE of Yucaipa, CA        
 1/12  3:42 pm  33 28.4  116 28.4  2.4  12 mi. ESE of Anza, CA          
 1/12  6:26 pm  34 20.6  116 28.5  2.3  15 mi. N of Yucca Valley, CA    
 1/13  1:12 am  34 12.0  119 38.1  2.6  13 mi. NNW of Santa Cruz Is., CA
 1/13  1:26 am  34 37.2  116 34.1  2.3  24 mi. ENE of Lucerne Valley, CA
 1/13  2:02 am  32 43.1  115 55.3  3.8  4 mi. ESE of Ocotillo, CA       
 1/13  4:03 am  32 43.5  115 55.2  2.6  4 mi. E of Ocotillo, CA         
 1/13  4:03 am  32 43.7  115 55.1  2.6  4 mi. E of Ocotillo, CA         
 1/13  4:15 am  32 43.3  115 55.0  2.2  4 mi. ESE of Ocotillo, CA       
 1/13  4:38 am  32 43.4  115 54.9  2.1  4 mi. E of Ocotillo, CA         
 1/13  5:20 am  32 43.6  115 55.6  4.4  3 mi. E of Ocotillo, CA; FELT
 1/13  5:23 am  32 42.8  115 54.8  2.3  4 mi. ESE of Ocotillo, CA       
 1/13  5:23 am  32 42.8  115 55.2  3.1  4 mi. ESE of Ocotillo, CA       
 1/13  5:27 am  32 42.9  115 54.9  2.3  4 mi. ESE of Ocotillo, CA       
 1/13  6:30 am  33 31.0  118 15.6  2.2  12 mi. NNE of Avalon, Catalina Island
 1/13  8:27 am  32 42.6  115 54.5  2.0  5 mi. ESE of Ocotillo, CA         
 1/13  6:29 pm  34 58.3  117 25.6  2.3  12 mi. E of Boron, CA             
 1/13  9:17 pm  32 23.4  117  7.4  2.3  12 mi. SSW of San Ysidro, CA      
 1/13 10:42 pm  34 10.8  119 35.1  2.0  10 mi. NNW of Santa Cruz Is., CA 
 1/13 10:44 pm  33 39.0  119  0.9  3.4  12 mi. NNE of Santa Barbara Is., CA
 1/14 11:51 am  32 43.6  115 55.4  2.5  4 mi. E of Ocotillo, CA    
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