Southern California Earthquakes in the Past Week

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

November 19, 1999


The time period covered is 4 pm on Thursday, November 11 (PDT) through 4 pm on Thursday, November 18 (PDT). During this period, there were 665 earthquakes listed in the automatic catalog. 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. For the Hector aftershocks, we have only listed M2.5 and larger, and, in the perepheral areas, only 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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11/11  4:53 pm  32 23.7  115 20.6  2.4  20 mi. SSE of Calexico, CA          
11/11  6:00 pm  32 22.1  115 20.3  2.3  22 mi. SSE of Calexico, CA          
11/11  7:28 pm  35 40.5  118  6.3  3.1  20 mi. E of town of Lake Isabella, CA
11/11  7:47 pm  34 22.7  116 27.5  2.0  17 mi. N of Yucca Valley, CA         
11/11  9:41 pm  34  2.9  117 15.9  3.4  Under of Loma Linda, CA                
11/11 10:56 pm  33 10.9  115 35.7  2.3  2 mi. ENE of Obsidian Butte, CA      
11/12 12:21 am  34 38.7  115 50.2  2.6  37 mi. NNE of Twentynine Palms, CA   
11/12  2:59 am  35 42.6  118 27.8  2.1  5 mi. N of town of Lake Isabella, CA 
11/12  4:24 am  34  3.1  117  6.7  2.0  3 mi. E of Redlands, CA              
11/12  6:31 am  34 24.5  116 12.3  2.5  19 mi. NNE of Joshua Tree, CA        
11/12  6:32 am  34 23.5  116 11.2  2.3  19 mi. NNE of Joshua Tree, CA        
11/12  7:04 am  32 26.6  115 19.0  2.6  18 mi. SE of Calexico, CA            
11/12  7:07 am  32 29.2  115 24.8  3.1  13 mi. SSE of Calexico, CA           
11/12  7:31 am  32 29.7  115 24.7  2.5  12 mi. SSE of Calexico, CA           
11/12  7:33 am  32 25.4  115 19.0  2.5  19 mi. SSE of Calexico, CA           
11/12  8:45 am  32 25.4  115 18.9  2.1  19 mi. SSE of Calexico, CA           
11/12  9:01 am  32 25.9  115 18.9  2.6  19 mi. SSE of Calexico, CA           
11/12  9:11 am  32 27.1  115 18.9  2.8  18 mi. SE of Calexico, CA            
11/12  9:41 am  32 21.8  115 18.3  3.2  23 mi. SSE of Calexico, CA           
11/12  9:53 am  34 40.8  116 21.5  2.8  37 mi. N of Joshua Tree, CA          
11/12 10:01 am  32 21.8  115 18.2  3.6  23 mi. SSE of Calexico, CA           
11/12 10:08 am  32 25.5  115 18.7  3.6  19 mi. SSE of Calexico, CA           
11/12 10:25 am  32 22.1  115 18.6  3.3  23 mi. SSE of Calexico, CA           
11/12 11:31 am  32 26.1  115 19.3  2.6  18 mi. SSE of Calexico, CA           
11/12 11:54 am  32 25.7  115 19.7  2.3  19 mi. SSE of Calexico, CA           
11/12 12:45 pm  34 24.2  116  9.5  2.5  19 mi. NNW of Twentynine Palms, CA   
11/12  1:06 pm  32 26.9  115 19.5  2.5  18 mi. SSE of Calexico, CA           
11/12  2:12 pm  32 23.6  115 18.4  2.5  21 mi. SSE of Calexico, CA           
11/12  6:50 pm  35 40.4  118  6.3  2.0  20 mi. E of town of Lake Isabella, CA
11/12  9:05 pm  34 22.3  116 11.6  2.6  17 mi. NNE of Joshua Tree, CA        
11/12 10:09 pm  34 40.8  116 18.2  3.0  37 mi. N of Joshua Tree, CA          
11/12 10:10 pm  33 40.8  116  2.3  2.0  7 mi. NNE of Mecca, CA               
11/12 10:33 pm  34 38.3  116 17.3  3.0  34 mi. N of Joshua Tree, CA          
11/13  6:19 am  34  9.4  116 49.4  3.1  3 mi. N of Mt. San Gorgonio, CA      
11/13  9:02 am  33 10.1  115 35.1  2.2  3 mi. E of Obsidian Butte, CA        
11/13 10:51 am  33 11.3  115 33.8  2.1  4 mi. SW of Niland, CA               
11/13 10:52 am  33 11.6  115 34.2  2.3  4 mi. SW of Niland, CA               
11/13 10:54 am  33 11.2  115 34.1  2.0  4 mi. ENE of Obsidian Butte, CA      
11/13  4:55 pm  34 26.0  116 14.7  3.2  20 mi. N of Joshua Tree, CA          
11/13  8:06 pm  34 51.8  116 24.4  2.6  33 mi. SW of Baker, CA               
11/13 10:17 pm  36 26.7  117 25.8  2.3  19 mi. SW of Stovepipe Wells, CA     
11/14  2:45 am  34 48.3  116 17.8  2.5  34 mi. SSW of Baker, CA              
11/14  4:21 am  34 34.8  116 15.8  2.6  30 mi. N of Joshua Tree, CA          
11/14  5:47 am  33 13.1  116  4.0  2.6  6 mi. NE of Ocotillo Wells, CA       
11/14  6:20 am  34 50.1  116 24.3  4.5  35 mi. SSW of Baker, CA              
                                        FELT in Barstow, Victorville, Big Bear
11/14  6:27 am  34 50.1  116 24.6  2.7  35 mi. SSW of Baker, CA              
11/14 10:52 am  34 29.4  116 15.8  2.8  24 mi. N of Joshua Tree, CA          
11/14 11:05 am  34 29.3  116 15.9  3.2  24 mi. N of Joshua Tree, CA          
11/14 12:59 pm  34 31.8  116 16.7  2.8  27 mi. N of Joshua Tree, CA          
11/14  1:01 pm  33 48.2  116 17.4  2.3  7 mi. NW of Indio, CA                
11/14  4:17 pm  34 27.8  116 16.3  2.9  22 mi. N of Joshua Tree, CA          
11/14  8:14 pm  34 51.1  116 21.2  2.6  32 mi. SSW of Baker, CA              
11/14  9:53 pm  34 48.2  116 21.8  2.6  35 mi. SSW of Baker, CA              
11/14 10:06 pm  34 41.7  116 21.1  2.7  38 mi. N of Joshua Tree, CA          
11/14 11:06 pm  34 42.5  116 18.2  2.8  39 mi. N of Joshua Tree, CA          
11/14 11:32 pm  35 21.2  118 35.3  2.1  17 mi. NNW of Tehachapi, CA          
11/15  3:02 am  34 25.2  116 10.9  3.0  20 mi. NNW of Twentynine Palms, CA   
11/15  3:18 am  34 41.8  116 17.7  2.7  38 mi. N of Joshua Tree, CA          
11/15  3:24 am  34 16.3  117  2.4  2.3  5 mi. NE of Running Springs, CA      
11/15  7:02 am  34 35.9  116 15.6  2.5  32 mi. N of Joshua Tree, CA          
11/15  9:52 pm  34 48.4  116 26.3  2.8  37 mi. SSW of Baker, CA              
11/15  9:52 pm  34 32.1  116 17.1  3.0  27 mi. N of Joshua Tree, CA          
11/16 12:15 am  34 48.0  116 23.3  2.6  36 mi. SSW of Baker, CA              
11/16  1:10 am  34 48.2  116 19.4  2.7  34 mi. SSW of Baker, CA              
11/16  9:21 pm  32 59.2  117 47.9  2.4  28 mi. WSW of Oceanside, CA          
11/16  9:43 pm  34 38.1  115 49.9  2.6  36 mi. NNE of Twentynine Palms, CA   
11/16 10:56 pm  34 42.5  116 18.1  2.9  39 mi. N of Joshua Tree, CA          
11/16 11:14 pm  34 31.1  116 15.5  2.8  26 mi. N of Joshua Tree, CA          
11/17  1:24 am  32 41.5  116 35.8  2.2  22 mi. ESE of El Cajon, CA           
11/17  5:36 am  34 48.1  116 22.3  2.7  36 mi. SSW of Baker, CA              
11/17  7:02 am  34 34.5  116 15.0  3.0  30 mi. N of Joshua Tree, CA          
11/17 10:03 am  32  9.9  115 53.0  2.4  39 mi. S of Ocotillo, CA             
11/17 12:40 pm  32 54.1  115 52.5  2.0  13 mi. NNE of Ocotillo, CA           
11/17  5:03 pm  34 48.2  116 21.7  3.0  35 mi. SSW of Baker, CA              
11/17  5:11 pm  36  3.1  117 52.3  2.4  4 mi. E of Coso Junction, CA         
11/17  7:50 pm  34 46.2  116 24.1  2.8  38 mi. SSW of Baker, CA              
11/17  8:01 pm  34 32.1  118  7.1  2.9  3 mi. S of Palmdale, CA              
11/17  8:21 pm  34 41.1  116 17.8  2.9  37 mi. N of Joshua Tree, CA          
11/17 11:09 pm  34 52.2  116 23.9  3.5  32 mi. SW of Baker, CA               
11/17 11:12 pm  36  2.4  117 52.4  2.0  4 mi. E of Coso Junction, CA         
11/17 11:18 pm  34 34.1  116 16.0  2.7  29 mi. N of Joshua Tree, CA          
11/18 12:28 am  33  9.6  115 33.6  2.0  3 mi. NW of Calipatria, CA           
11/18  2:29 am  33 10.4  115 35.9  3.5  2 mi. E of Obsidian Butte, CA        
11/18  2:32 am  33 10.1  115 34.5  2.1  3 mi. E of Obsidian Butte, CA        
11/18  5:37 am  34 50.8  116 20.6  2.7  32 mi. SSW of Baker, CA              
11/18  9:14 am  33 19.4  116 20.6  2.5  5 mi. NNE of Borrego Springs, CA     
11/18 11:15 am  34 37.5  116 38.9  2.9  21 mi. NE of Lucerne Valley, CA      
11/18  1:09 pm  34 50.3  116 24.4  2.5  35 mi. SSW of Baker, CA              
11/18  1:32 pm  36  5.2  117 51.6  2.3  5 mi. ENE of Coso Junction, CA       
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