Southern California Earthquakes in the Past Week

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

January 22, 1999


The time period covered is 4 pm on Thursday, January 14 (PST) through 4 pm on Thursday, January 21 (PST). During this period, we detected and analysed 261 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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 1/14  9:48 pm  36  5.9  118 19.5  2.7  21 mi. SW of Olancha, CA       
 1/14 10:26 pm  36  6.1  118 19.6  2.5  21 mi. SW of Olancha, CA       
 1/15 12:46 am  35 42.7  119 11.1  2.1  25 mi. NNW of Bakersfield, CA  
 1/15 12:25 pm  33 49.7  117 41.9  2.0  7 mi. ESE of Yorba Linda, CA   
 1/16 12:09 am  32 42.9  115 54.8  2.0  4 mi. ESE of Ocotillo, CA      
 1/16  2:54 am  33 12.8  116  3.6  2.1  6 mi. NE of Ocotillo Wells, CA 
 1/16 10:48 am  33 31.0  117 55.2  2.3  6 mi. S of Newport Beach, CA   
 1/16 11:49 am  32 42.6  115 54.8  2.9  4 mi. ESE of Ocotillo, CA      
 1/16 12:12 pm  32 42.8  115 54.5  2.3  5 mi. ESE of Ocotillo, CA      
 1/16  7:58 pm  32 36.7  117 16.2  2.0  9 mi. SW of San Diego, CA      
 1/16  8:55 pm  34  8.5  116 25.8  2.0  1 mi. NNE of Yucca Valley, CA  
 1/16  9:13 pm  32 21.5  115  8.3  2.5  29 mi. SE of Calexico, CA      
 1/17  3:31 am  32 19.8  115 15.3  2.5  27 mi. SSE of Calexico, CA     
 1/17  3:49 am  36  4.3  117 50.1  2.0  6 mi. ENE of Coso Junction, CA 
 1/17 10:39 am  32 45.4  115 26.2  2.1  6 mi. NNE of Calexico, CA      
 1/17 12:08 pm  33 49.7  117 36.6  2.0  4 mi. SW of Corona, CA         
 1/17  1:05 pm  33  5.6  117 58.6  2.3  26 mi. SE of Avalon, Catalina IslandCA   
 1/17  2:20 pm  32 29.8  115 26.1  2.6  12 mi. SSE of Calexico, CA      
 1/18  3:21 am  34  7.1  116 23.5  2.0  3 mi. E of Yucca Valley, CA     
 1/18  2:12 pm  34  6.2  119  9.7  2.7  3 mi. SE of Port Hueneme, CA; FELT 
 1/18  2:52 pm  32 42.5  115 54.5  3.0  5 mi. ESE of Ocotillo, CA       
 1/18  4:09 pm  33 25.1  117 13.3  2.1  2 mi. NE of Fallbrook, CA       
 1/18  4:26 pm  32 42.8  115 54.7  2.4  5 mi. ESE of Ocotillo, CA       
 1/18 10:27 pm  34 37.3  116 37.8  2.2  21 mi. NE of Lucerne Valley, CA 
 1/18 11:51 pm  32 42.5  115 54.0  2.1  5 mi. ESE of Ocotillo, CA       
 1/19 12:44 am  34 15.3  118 30.5  2.5  1 mi. SSW of Granada Hills, CA  
 1/19  6:33 am  36  3.8  117 49.7  2.1  6 mi. E of Coso Junction, CA    
 1/19  6:33 am  36  3.7  117 49.8  2.0  6 mi. E of Coso Junction, CA    
 1/19  9:48 am  33  8.6  116 28.2  2.1  8 mi. ENE of Julian, CA         
 1/19 11:01 am  32  0.3  115 45.3  2.9  48 mi. SSW of Calexico, CA      
 1/19  2:25 pm  36  4.0  117 49.9  3.3  6 mi. ENE of Coso Junction, CA  
 1/19  3:10 pm  36  3.7  117 49.9  2.2  6 mi. E of Coso Junction, CA    
 1/19  3:14 pm  36  3.6  117 49.9  2.5  6 mi. E of Coso Junction, CA    
 1/19  3:32 pm  36  3.9  117 49.9  2.7  6 mi. ENE of Coso Junction, CA  
 1/19  3:32 pm  36  3.8  117 49.8  2.1  6 mi. E of Coso Junction, CA    
 1/19  4:53 pm  36  3.7  117 49.8  3.6  6 mi. E of Coso Junction, CA    
 1/19  4:55 pm  36  4.0  117 50.1  2.1  6 mi. ENE of Coso Junction, CA  
 1/19  4:57 pm  36  3.5  117 50.0  2.0  6 mi. E of Coso Junction, CA    
 1/19  5:17 pm  36  3.7  117 50.1  2.4  6 mi. E of Coso Junction, CA    
 1/19  5:17 pm  36  3.6  117 49.9  2.5  6 mi. E of Coso Junction, CA    
 1/19  5:40 pm  36  3.6  117 49.8  2.0  6 mi. E of Coso Junction, CA    
 1/19  5:51 pm  36  4.0  117 50.0  2.4  6 mi. ENE of Coso Junction, CA  
 1/19 10:42 pm  35 39.3  118  3.5  2.2  22 mi. W of Ridgecrest, CA      
 1/20 12:14 am  34 12.4  119 34.3  2.4  12 mi. NNW of Santa Cruz Is., CA
 1/20 12:16 am  34 13.0  119 34.0  2.6  12 mi. SSW of Carpinteria, CA   
 1/20  1:27 am  32 42.7  115 54.7  2.1  5 mi. ESE of Ocotillo, CA       
 1/20  2:00 am  34 13.2  119 34.4  2.5  12 mi. SSW of Carpinteria, CA   
 1/20  3:20 am  32  2.0  115 44.3  2.7  46 mi. SSW of Calexico, CA      
 1/20  3:32 am  34 12.7  119 35.2  2.5  13 mi. NNW of Santa Cruz Is., CA
 1/20  3:37 am  36  3.9  117 50.0  2.3  6 mi. ENE of Coso Junction, CA  
 1/20  3:54 am  34 12.7  119 34.7  2.6  12 mi. NNW of Santa Cruz Is., CA
 1/20  4:09 am  34 12.5  119 34.8  2.9  12 mi. NNW of Santa Cruz Is., CA
 1/20  5:23 am  36  4.0  117 50.0  2.9  6 mi. ENE of Coso Junction, CA  
 1/20  6:21 am  35 41.2  117 31.0  2.0  9 mi. ENE of Ridgecrest, CA     
 1/20  8:09 am  34 11.7  119 35.5  2.4  12 mi. NNW of Santa Cruz Is., CA
 1/20  8:51 am  34 11.8  119 35.4  2.3  12 mi. NNW of Santa Cruz Is., CA
 1/20 10:10 am  34  8.3  119 10.2  3.2  2 mi. ESE of Port Hueneme, CA; FELT
 1/20 11:52 am  34 12.3  119 35.6  2.6  12 mi. NNW of Santa Cruz Is., CA
 1/20 11:58 am  34 12.9  119 35.2  2.5  13 mi. SSW of Carpinteria, CA   
 1/20 12:40 pm  34 12.9  119 35.4  2.4  13 mi. SSW of Carpinteria, CA   
 1/20 12:56 pm  33 16.0  115 59.6  2.0  1 mi. WSW of Salton City, CA    
 1/20  4:03 pm  34  5.6  117 18.3  2.2  1 mi. SSW of San Bernardino, CA 
 1/20  4:31 pm  34 12.0  119 35.6  2.3  12 mi. NNW of Santa Cruz Is., CA
 1/20  7:01 pm  34 12.7  119 35.1  2.4  12 mi. NNW of Santa Cruz Is., CA
 1/20  8:46 pm  36  5.4  117 35.4  2.4  20 mi. E of Coso Junction, CA 
 1/20  8:58 pm  34 20.5  116 28.0  2.6  15 mi. N of Yucca Valley, CA  
 1/20  8:59 pm  34 20.5  116 28.0  2.7  15 mi. N of Yucca Valley, CA  
 1/20 11:10 pm  36  1.5  117 52.0  2.4  4 mi. ESE of Coso Junction, CA
 1/21  8:45 am  32 42.8  115 54.6  2.1  5 mi. ESE of Ocotillo, CA     
 1/21  8:52 am  32 47.8  116 39.3  2.2  19 mi. S of Julian, CA        
 1/21 12:04 pm  32 25.4  117 55.5  3.1  36 mi. SE of San Clemente Is., CA
 1/21  2:49 pm  36  3.8  117 49.7  3.1  6 mi. E of Coso Junction, CA  
 1/21  2:52 pm  33 59.2  116 40.1  2.1  6 mi. SW of Morongo Valley, CA
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