Southern California Earthquakes in the Past Week

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

April 14, 2000


The time period covered is 5 pm on Thursday, April 6 (PST) through 5 pm on Thursday, April 13 (PST). During this period we dectected and analysed 315 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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 4/6   6:45 pm  34 51.5  116 24.1  2.7  33 mi. SSW of Baker, CA                
 4/6   8:15 pm  35 30.4  118  9.7  2.0  19 mi. ESE of town of Lake Isabella, CA
 4/6   8:57 pm  34 43.1  116 16.8  2.0  40 mi. N of Joshua Tree, CA            
 4/7   2:25 am  33 28.7  116 27.4  2.2  13 mi. ESE of Anza, CA                 
 4/7   2:25 am  34  3.7  117 28.2  2.0  3 mi. SSW of Fontana, CA               
 4/7   3:46 am  36  4.2  117 36.2  2.1  19 mi. E of Coso Junction, CA          
 4/7   4:23 am  34  3.7  117 28.3  2.2  3 mi. SSW of Fontana, CA               
 4/7   5:26 am  34  9.5  115 49.4  2.6  13 mi. E of Twentynine Palms, CA       
 4/7   8:24 am  34 26.8  116 15.4  3.2  21 mi. N of Joshua Tree, CA            
 4/7   8:31 am  36  4.1  117 36.2  2.1  19 mi. E of Coso Junction, CA          
 4/7  10:35 am  33 38.7  116 43.2  2.3  6 mi. S of Idyllwild, CA               
 4/7   2:47 pm  32  2.6  116 17.8  2.6  50 mi. SSW of Ocotillo, CA             
 4/7   5:17 pm  34 40.3  116 21.8  2.0  37 mi. N of Joshua Tree, CA            
 4/8  12:52 am  34 51.2  116 24.3  2.4  34 mi. SSW of Baker, CA                
 4/8  10:48 am  34 48.3  116 15.9  2.8  33 mi. SSW of Baker, CA                
 4/8  10:48 am  34 48.6  116 15.8  2.2  33 mi. SSW of Baker, CA                
 4/8  10:49 am  34 48.2  116 15.9  2.2  33 mi. SSW of Baker, CA                
 4/8  11:18 am  34 48.2  116 15.9  3.1  33 mi. SSW of Baker, CA                
 4/8   6:43 pm  34 19.6  116 45.9  2.1  6 mi. NE of Big Bear City, CA          
 4/8   6:49 pm  34 47.3  116 17.7  2.0  35 mi. SSW of Baker, CA                
 4/8   7:15 pm  34 21.5  116  8.7  2.5  16 mi. NNW of Twentynine Palms, CA     
 4/8   7:32 pm  34 21.6  116  8.4  2.3  16 mi. NNW of Twentynine Palms, CA     
 4/8   7:42 pm  34 21.5  116  8.1  2.2  16 mi. NNW of Twentynine Palms, CA     
 4/8  10:50 pm  34 41.6  116 19.3  2.0  38 mi. N of Joshua Tree, CA            
 4/8  11:52 pm  34  8.1  117 28.3  3.6  2 mi. NW of Fontana, CA                
                                        FELT in Fontana
 4/9   1:01 am  33 58.2  116 58.9  2.0  2 mi. N of Beaumont, CA                
 4/9   3:48 am  32 41.5  115 23.5  4.3  6 mi. ENE of Calexico, CA              
                                        FELT in southern Imperial Valley
 4/9   5:24 pm  34  7.7  117 28.5  2.2  2 mi. WNW of Fontana, CA               
 4/9   5:59 pm  34 43.3  116  3.7  2.0  37 mi. S of Baker, CA                  
 4/9   6:33 pm  34 50.2  116 24.0  3.6  34 mi. SSW of Baker, CA                
 4/9   9:12 pm  34 38.2  116 21.1  2.3  34 mi. N of Joshua Tree, CA            
 4/9  10:26 pm  34 15.0  119  0.2  2.7  3 mi. NE of Camarillo, CA              
                                        FELT in Camarillo
 4/10  1:37 am  34 40.8  116 18.1  2.8  37 mi. N of Joshua Tree, CA            
 4/10  3:06 am  34  7.2  116 23.6  2.1  2 mi. E of Yucca Valley, CA            
 4/10  4:20 am  34 43.6  116  3.4  2.3  37 mi. S of Baker, CA                  
 4/10  4:31 am  32 56.7  116 14.7  2.6  15 mi. SSW of Ocotillo Wells, CA       
 4/10  7:52 am  34  6.4  117  0.8  2.2  5 mi. NNE of Yucaipa, CA               
 4/10  8:52 am  35 60.0  117 52.2  2.1  5 mi. SE of Coso Junction, CA          
 4/10  9:51 am  34 45.7  120 54.9  2.3  16 mi. SW of Pt. Sal, CA               
 4/10  9:56 am  34 41.7  116 18.6  2.7  38 mi. N of Joshua Tree, CA            
 4/10  9:57 am  34  2.6  117 15.4  2.2  Under Loma Linda, CA                
 4/10 10:03 am  34  7.8  117 28.7  2.8  2 mi. WNW of Fontana, CA               
 4/10 10:26 am  34 48.9  116 23.5  2.3  35 mi. SSW of Baker, CA                
 4/10 11:19 am  34 50.3  116 24.1  2.1  34 mi. SSW of Baker, CA                
 4/10 12:50 pm  36  1.6  117 45.6  2.0  10 mi. E of Coso Junction, CA          
 4/10 11:22 pm  36  3.7  117 35.4  2.1  20 mi. E of Coso Junction, CA          
 4/11 12:26 am  34 41.3  116 18.1  2.6  38 mi. N of Joshua Tree, CA            
 4/11  1:18 am  34 50.0  116 24.4  2.1  35 mi. SSW of Baker, CA                
 4/11  1:20 am  36 11.0  117 55.1  3.2  8 mi. SE of Olancha, CA                
 4/11  5:20 am  36  0.2  117 52.3  2.8  5 mi. SE of Coso Junction, CA          
 4/11  9:29 am  34 48.1  116 15.9  2.1  33 mi. SSW of Baker, CA                
 4/11  1:14 pm  33 56.4  116 21.4  2.6  8 mi. E of Desert Hot Springs, CA      
 4/11  2:54 pm  34 41.6  116 18.7  2.7  38 mi. N of Joshua Tree, CA            
 4/11  8:31 pm  34 33.3  120 54.9  2.2  15 mi. W of Pt. Arguello, CA           
 4/11 11:55 pm  34  0.9  116 56.6  2.7  5 mi. ESE of Yucaipa, CA               
 4/12  3:15 am  34 21.9  116  8.3  2.2  16 mi. NNW of Twentynine Palms, CA     
 4/12  3:34 am  34 48.3  116 15.9  2.6  33 mi. SSW of Baker, CA                
 4/12  9:46 am  34 47.9  116 17.9  2.1  34 mi. SSW of Baker, CA                
 4/12 11:10 am  33  3.3  117 55.5  2.4  30 mi. SSW of Dana Point, CA           
 4/12  1:59 pm  33  9.8  115 38.3  2.0  0 mi. SSW of Obsidian Butte, CA        
 4/12  2:53 pm  34 48.0  116 22.6  2.4  36 mi. SSW of Baker, CA                
 4/12  8:26 pm  36  0.1  117 52.0  2.8  5 mi. SE Coso Junction, CA             
 4/12 11:18 pm  34 26.5  116 15.9  2.1  21 mi. N of Joshua Tree, CA            
 4/12 11:37 pm  34 50.3  118 53.6  2.0  3 mi. ENE of Frazier Park, CA          
 4/13 12:22 am  34 15.8  118 26.8  2.7  1 mi. SSW of Pacoima, CA               
 4/13  1:21 am  35 19.6  119 12.0  2.2  11 mi. WSW of Bakersfield, CA          
 4/13  2:44 am  34 57.7  120 43.3  2.0  5 mi. NW of Pt. Sal, CA                
 4/13  7:26 am  34 19.3  116 46.0  2.1  6 mi. NE of Big Bear City, CA          
 4/13  9:48 am  34 32.7  116 15.1  2.2  28 mi. N of Joshua Tree, CA            
 4/13 11:41 am  33  0.9  116 22.7  2.7  13 mi. ESE of Julian, CA               
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