Southern California Earthquakes in the Past Week

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

February 3, 2000


The time period covered is 4 pm on Thursday, January 27 (PST) through 4 pm on Thursday, February 3 (PST). During this period we dectected and analysed 461 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. 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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 1/27  4:39 pm  34  6.3  117  1.0  2.0  5 mi. N of Yucaipa, CA
 1/27  7:09 pm  34 52.6  116 20.4  2.0  30 mi. SSW of Baker, CA            
 1/27  8:43 pm  33 58.5  116 57.3  2.2  3 mi. NNE of Beaumont, CA          
 1/27  9:05 pm  32 45.0  115 29.7  2.3  4 mi. SE of El Centro, CA          
 1/27  9:50 pm  36  3.6  117 51.9  2.5  4 mi. ENE of Coso Junction, CA     
 1/27 10:11 pm  36  3.6  117 51.9  2.1  4 mi. ENE of Coso Junction, CA     
 1/27 10:57 pm  34 38.6  116 17.2  2.2  35 mi. N of Joshua Tree, CA        
 1/28  1:56 am  34 36.2  116 17.1  2.4  32 mi. N of Joshua Tree, CA        
 1/28  3:30 am  34 22.3  116  8.4  2.0  17 mi. NNW of Twentynine Palms, CA 
 1/28  5:20 am  34 36.5  116 13.8  2.2  33 mi. N of Joshua Tree, CA        
 1/28  5:43 am  34 36.3  116 17.3  2.2  32 mi. N of Joshua Tree, CA        
 1/28  7:29 am  33  9.6  115 59.0  2.0  8 mi. S of Salton City, CA         
 1/28  8:04 am  34 32.5  116 16.3  2.2  28 mi. N of Joshua Tree, CA        
 1/28  8:34 am  34 41.5  116 17.4  2.4  38 mi. N of Joshua Tree, CA        
 1/28  9:05 am  36  1.4  117 46.0  2.2  10 mi. E of Coso Junction, CA      
 1/28 10:35 am  34  6.4  116 54.9  2.1  5 mi. W of Mt. San Gorgonio, CA    
 1/28 11:17 am  34 52.0  116 20.8  2.4  31 mi. SSW of Baker, CA            
 1/28 12:14 pm  34 30.2  116 15.2  2.8  25 mi. N of Joshua Tree, CA        
 1/28 12:23 pm  34 30.0  116 15.0  2.2  25 mi. N of Joshua Tree, CA        
 1/28  4:00 pm  34  6.4  116 54.8  2.1  4 mi. W of Mt. San Gorgonio, CA    
 1/28  6:56 pm  34  8.9  117 42.5  2.1  3 mi. NNE of Claremont Colleges, CA
 1/28  8:01 pm  34 33.9  118 58.5  2.0  12 mi. NNW of Fillmore, CA         
 1/29 12:34 am  34 51.6  116 23.3  2.0  33 mi. SSW of Baker, CA            
 1/29  2:14 am  34 34.0  116 15.6  2.1  29 mi. N of Joshua Tree, CA        
 1/29  2:33 am  34 38.9  116 17.6  2.1  35 mi. N of Joshua Tree, CA        
 1/29  4:47 am  35 40.0  117 37.4  2.5  3 mi. NE of Ridgecrest, CA         
 1/29  5:26 am  35 39.9  117 37.3  2.4  3 mi. NE of Ridgecrest, CA         
 1/29  6:16 am  34 39.1  116 17.2  2.0  35 mi. N of Joshua Tree, CA        
 1/29 12:46 pm  34 34.7  116 14.7  2.3  30 mi. N of Joshua Tree, CA        
 1/29  6:22 pm  34 29.4  116 14.1  2.5  24 mi. N of Joshua Tree, CA        
 1/29  7:10 pm  33 58.6  116 57.5  2.2  3 mi. NNE of Beaumont, CA          
 1/29  7:16 pm  34 51.3  116 24.0  2.7  33 mi. SSW of Baker, CA            
 1/29 10:18 pm  34  1.9  117 33.8  2.3  5 mi. SSE of Rancho Cucamonga, CA  
 1/29 10:41 pm  34 26.3  116 29.9  2.1  22 mi. N of Yucca Valley, CA       
 1/29 10:52 pm  35 44.5  118  0.2  2.1  21 mi. S of Coso Junction, CA      
 1/30 12:28 am  35 31.6  117 22.5  2.0  16 mi. S of Trona, CA              
 1/30  1:35 am  34 34.8  118 58.7  2.2  13 mi. NNW of Fillmore, CA         
 1/30  4:25 am  33 58.3  116 57.2  2.1  3 mi. NNE of Beaumont, CA          
 1/30  3:27 pm  35 18.6  119 22.1  2.2  12 mi. NNE of Taft, CA             
 1/30  6:02 pm  35 19.3  118 55.0  2.1  5 mi. SE of Bakersfield, CA        
 1/30  8:19 pm  34 19.3  116 45.8  2.7  6 mi. NE of Big Bear City, CA      
                                        FELT in Big Bear
 1/30 11:11 pm  34 48.0  116 17.1  2.2  34 mi. SSW of Baker, CA            
 1/31  1:23 am  33 16.8  116  8.7  2.1  9 mi. N of Ocotillo Wells, CA      
 1/31  2:21 am  32  2.8  115 43.5  2.3  45 mi. SSW of Calexico, CA         
 1/31  3:03 am  34 36.8  116 13.9  2.0  33 mi. N of Joshua Tree, CA        
 1/31  4:52 am  33  5.3  115 33.5  2.2  3 mi. SW of Calipatria, CA         
 1/31  4:52 am  33  2.5  115 31.3  2.1  5 mi. N of Brawley, CA             
 1/31  5:49 am  34 18.3  118 17.9  2.0  3 mi. N of Sunland, CA             
 1/31  6:27 am  34 31.3  116 14.7  2.1  26 mi. N of Joshua Tree, CA        
 1/31  6:47 am  34 20.9  116  7.8  2.0  15 mi. NNW of Twentynine Palms, CA 
 1/31  7:22 am  34 49.4  116 20.2  2.3  33 mi. SSW of Baker, CA            
 1/31  7:27 am  34 26.1  116 15.8  2.1  20 mi. N of Joshua Tree, CA        
 1/31  8:07 am  34 42.9  116 22.6  2.3  40 mi. N of Joshua Tree, CA        
 1/31  9:19 am  34 41.1  116 21.8  2.3  37 mi. N of Joshua Tree, CA        
 1/31  9:43 am  34 51.2  116 23.9  2.6  33 mi. SSW of Baker, CA            
 1/31 12:30 pm  34 41.6  116 21.4  2.1  38 mi. N of Joshua Tree, CA        
 1/31  1:07 pm  33  9.2  115 37.4  2.0  1 mi. SSE of Obsidian Butte, CA    
 1/31  2:00 pm  34 21.9  116  8.0  3.5  16 mi. NNW of Twentynine Palms, CA 
 1/31  2:06 pm  34 21.5  116  8.5  2.1  16 mi. NNW of Twentynine Palms, CA 
 1/31  2:18 pm  36  6.7  117 41.0  2.1  15 mi. ENE of Coso Junction, CA    
 1/31  2:33 pm  34 22.5  119 32.7  2.0  2 mi. SW of Carpinteria, CA        
 1/31  3:44 pm  34 21.7  116  8.6  2.0  16 mi. NNW of Twentynine Palms, CA 
 1/31  5:58 pm  34 21.4  116  8.3  2.4  15 mi. NNW of Twentynine Palms, CA 
 1/31  7:55 pm  34 20.8  116  7.4  2.3  15 mi. NNW of Twentynine Palms, CA 
 1/31 10:36 pm  34 23.4  118 39.4  2.0  5 mi. W of Valencia, CA            
 1/31 11:40 pm  32 36.1  116  9.7  2.6  13 mi. SW  of Ocotillo, CA         
 2/1  12:31 am  33  8.5  115 58.9  2.1  9 mi. S of Salton City, CA         
 2/1   2:07 am  36  9.8  118 16.3  2.0  16 mi. WSW of Olancha, CA          
 2/1   2:22 am  34  0.2  116 18.6  2.6  9 mi. S of Joshua Tree, CA         
 2/1   4:43 am  34 20.6  116  7.6  2.1  14 mi. NNW of Twentynine Palms, CA 
 2/1   6:05 am  34 27.7  115 57.4  2.4  23 mi. NNE of Twentynine Palms, CA 
 2/1   7:02 am  34 32.5  116 15.6  2.2  28 mi. N of Joshua Tree, CA        
 2/1   7:58 am  34 51.5  116 24.3  2.0  33 mi. SW of Baker, CA             
 2/1  10:11 am  35  3.8  118 54.7  2.2  4 mi. NNE of Wheeler Ridge, CA     
 2/1  12:59 pm  35  3.8  120 51.0  2.8  12 mi. WSW of Pismo Beach, CA      
 2/1   3:26 pm  34 47.6  116 17.1  2.3  34 mi. SSW of Baker, CA            
 2/1   4:18 pm  34 20.7  116  7.6  2.2  14 mi. NNW of Twentynine Palms, CA 
 2/1   8:15 pm  34 28.6  116 16.3  2.4  23 mi. N of Joshua Tree, CA        
 2/1  10:04 pm  34 51.3  116 19.9  2.0  31 mi. SSW of Baker, CA            
 2/2   6:27 am  33  8.6  115 36.6  2.0  2 mi. SE of Obsidian Butte, CA     
 2/2   7:47 am  34 58.8  116 57.3  2.1  7 mi. NNE of Barstow, CA           
 2/2   8:13 am  34 35.4  116 17.2  2.1  31 mi. N of Joshua Tree, CA        
 2/2   8:58 am  34 33.6  115 54.8  2.2  30 mi. NNE of Twentynine Palms, CA 
 2/2  10:50 am  34 40.9  116 20.1  2.0  37 mi. N of Joshua Tree, CA        
 2/2   1:39 pm  34 40.0  116 17.3  2.2  36 mi. N of Joshua Tree, CA        
 2/2   2:08 pm  34 30.2  116 16.1  2.2  25 mi. N of Joshua Tree, CA        
 2/2   2:17 pm  34 47.2  116 16.9  2.6  35 mi. SSW of Baker, CA            
 2/2   3:14 pm  34 24.2  116 11.2  2.1  19 mi. NNE of Joshua Tree, CA      
 2/2   3:38 pm  34 38.8  116 17.3  2.0  35 mi. N of Joshua Tree, CA        
 2/2   5:09 pm  34 47.6  116 17.6  2.4  34 mi. SSW of Baker, CA            
 2/2   7:12 pm  34 47.2  116 17.5  2.1  35 mi. SSW of Baker, CA            
 2/2   8:14 pm  34 32.8  116 18.3  2.4  28 mi. N of Joshua Tree, CA        
 2/3  12:51 am  34 51.3  116 23.4  2.4  33 mi. SSW of Baker, CA            
 2/3  10:06 am  33 39.5  117 54.5  2.3  3 mi. NNE of Newport Beach, CA     
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