Southern California Earthquakes in the Past Week

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

May 12, 2000


The time period covered is 5 pm on Thursday, May 4 (PST) through 5 pm on Thursday, May 11 (PST). During this period we dectected and analysed 307 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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 5/4   5:43 pm  32 11.3  115  4.6  2.5  41 mi. SE of Calexico, CA           
 5/4   7:13 pm  32  8.0  115  4.2  2.7  44 mi. SE of Calexico, CA           
 5/4   9:52 pm  34  4.0  116 21.7  2.2  5 mi. SSW of Joshua Tree, CA        
 5/4  10:54 pm  34 43.7  116 17.8  2.0  39 mi. SSW of Baker, CA             
 5/5   1:26 am  34 36.8  116 17.0  2.3  32 mi. N of Joshua Tree, CA         
 5/5   3:03 am  32 10.5  115  4.8  2.6  41 mi. SE of Calexico, CA           
 5/5   3:27 am  32 10.7  115  4.5  2.9  41 mi. SE of Calexico, CA           
 5/5   6:26 am  34 36.6  116 16.9  2.5  32 mi. N of Joshua Tree, CA         
 5/5  11:33 am  34 48.0  116 16.0  2.6  34 mi. SSW of Baker, CA             
 5/5   3:38 pm  34 40.6  116 17.3  2.5  37 mi. N of Joshua Tree, CA         
 5/5   4:53 pm  34 36.5  116 13.9  2.4  32 mi. N of Joshua Tree, CA         
 5/5   5:02 pm  32 52.4  115 29.8  2.5  6 mi. SSE of Brawley, CA            
 5/5   6:45 pm  33 28.3  116 28.8  2.0  12 mi. ESE of Anza, CA              
 5/5   6:58 pm  34 28.2  116 30.6  2.0  24 mi. N of Yucca Valley, CA        
 5/5  10:03 pm  34 42.7  116 22.1  2.4  39 mi. N of Joshua Tree, CA         
 5/5  10:28 pm  34 38.2  116 13.6  2.0  34 mi. N of Joshua Tree, CA         
 5/6  12:30 am  36 19.8  118  2.8  2.0  4 mi. NW of Olancha, CA             
 5/6  12:51 am  36 19.9  118  3.3  2.1  4 mi. NW of Olancha, CA             
 5/6   2:59 am  32  8.8  114 57.0  2.7  42 mi. SSW of Yuma, AZ              
 5/6   3:03 am  34 33.8  116 29.6  2.4  30 mi. N of Yucca Valley, CA        
 5/6   2:34 pm  36 20.0  118  2.5  2.0  4 mi. NNW of Olancha, CA            
 5/6   4:36 pm  34 48.3  116 15.9  2.0  33 mi. SSW of Baker, CA             
 5/6   5:09 pm  33  2.1  117 51.0  2.4  30 mi. SSW of Dana Point, CA        
 5/6   6:32 pm  34 34.5  116 15.7  2.0  30 mi. N of Joshua Tree, CA         
 5/6   9:00 pm  34 52.3  116 43.2  2.1  17 mi. E of Barstow, CA             
 5/6   9:39 pm  34 32.6  116 16.2  2.4  28 mi. N of Joshua Tree, CA         
 5/6   9:42 pm  34 30.9  115 56.5  2.4  26 mi. NNE of Twentynine Palms, CA  
 5/6  10:02 pm  34 18.1  116 28.1  2.1  12 mi. N of Yucca Valley, CA        
 5/7   3:35 pm  34 29.6  116 14.4  2.1  25 mi. N of Joshua Tree, CA         
 5/7   3:46 pm  34 34.4  116 15.9  2.3  30 mi. N of Joshua Tree, CA         
 5/7   7:18 pm  34 47.8  116 16.0  2.4  34 mi. SSW of Baker, CA             
 5/8   1:00 am  34 40.1  116 21.3  2.2  36 mi. N of Joshua Tree, CA         
 5/8   1:23 pm  34 47.7  116 16.1  2.0  34 mi. SSW of Baker, CA             
 5/8   6:01 pm  34 30.2  116 15.5  2.2  25 mi. N of Joshua Tree, CA         
 5/8   7:05 pm  36 19.8  118  3.1  2.2  4 mi. NW of Olancha, CA             
 5/8   9:45 pm  33  4.8  116 37.8  2.1  1 mi. W of Julian, CA               
 5/8   9:49 pm  36 19.8  118  3.0  2.0  4 mi. NW of Olancha, CA             
 5/9   3:35 am  34 33.4  118 54.2  2.0  11 mi. N of Fillmore, CA            
 5/9   4:22 am  34 33.6  118 54.0  2.1  11 mi. N of Fillmore, CA            
 5/9   7:19 am  36 19.1  118  2.9  2.2  3 mi. NW of Olancha, CA             
 5/9   7:20 am  36 18.3  118  2.9  2.1  2 mi. WNW of Olancha, CA            
 5/9   8:28 am  32  9.7  115  5.1  2.8  42 mi. SE of Calexico, CA           
 5/9  10:01 pm  34 33.9  116 13.9  2.6  29 mi. N of Joshua Tree, CA         
 5/9  10:37 pm  35 19.7  118 56.6  2.3  4 mi. SE of Bakersfield, CA         
 5/10 12:17 am  36 53.5  116 13.1  3.0  46 mi. NE of Furnace Creek, CA      
 5/10  1:14 am  32 35.3  116  8.9  2.1  13 mi. SW of Ocotillo, CA           
 5/10  4:21 am  34  9.0  116 43.0  2.1  7 mi. ENE of Mt. San Gorgonio, CA   
 5/10  9:34 am  34  5.7  116 22.5  2.3  4 mi. SW of Joshua Tree, CA         
 5/10  3:00 pm  34  5.2  118 30.8  2.0  4 mi. NNW of Santa Monica, CA       
 5/10  3:14 pm  34 20.0  116 28.2  2.0  14 mi. N of Yucca Valley, CA        
 5/10  4:25 pm  33  9.7  115 38.4  3.9  Under Obsidian Butte, CA            
                                        FELT in Imperial Valley
 5/10  4:28 pm  33  9.3  115 38.7  3.5  1 mi. SSW of Obsidian Butte, CA     
                                        FELT in Imperial Valley
 5/10  4:30 pm  33  9.2  115 38.1  2.5  1 mi. S of Obsidian Butte, CA       
 5/10  4:33 pm  33  9.5  115 37.9  2.9  Under Obsidian Butte, CA            
 5/10  5:10 pm  33  9.2  115 38.3  2.1  1 mi. S of Obsidian Butte, CA       
 5/10  5:23 pm  32 34.4  115 26.6  2.3  7 mi. SSE of Calexico, CA           
 5/10  6:17 pm  33  9.3  115 38.1  2.2  1 mi. S of Obsidian Butte, CA       
 5/10  6:19 pm  33  9.6  115 38.4  2.0  Under Obsidian Butte, CA            
 5/10  6:41 pm  33  9.3  115 38.1  2.2  1 mi. S of Obsidian Butte, CA         
 5/10  9:30 pm  34 20.0  116 28.4  2.2  15 mi. N of Yucca Valley, CA          
 5/10 11:21 pm  33 10.2  115 38.3  2.1  Under Obsidian Butte, CA            
 5/11 12:20 am  34 49.8  116 18.5  2.3  32 mi. SSW of Baker, CA               
 5/11  6:18 am  35 31.8  118 25.4  2.1  7 mi. SSE of town of Lake Isabella, CA
 5/11  9:33 am  35 31.9  118 25.3  2.2  7 mi. SSE of town of Lake Isabella, CA
 5/11  1:31 pm  34 14.9  116  1.1  2.4  7 mi. NNE of Twentynine Palms, CA     
 5/11  3:15 pm  35 43.2  118 27.6  2.9  5 mi. N of town of Lake Isabella, CA  
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