Southern California Earthquakes in the Past Week

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

May 8, 1998


The time period covered is 5 pm on Thursday, April 30 through 5 pm on Thursday, May 7. During this period, we detected and analysed 304 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(PDT) Lat.     Long.     Mag. Descriptive location
-----------------------------------------------------------
 4/30  5:07 pm  34 55.6  119  6.3  2.3  10 mi. W of Grapevine, CA
 4/30  7:21 pm  35 21.1  119 20.2  2.3  15 mi. NNE of Taft, CA
 4/30  7:46 pm  34 13.6  116 58.0  2.1  3 mi. WSW of town of Big Bear Lake, CA
 4/30  8:21 pm  33 54.2  118 31.5  2.0  5 mi. WSW of Los Angeles Airport, CA
 5/1   2:44 am  36  4.5  117 50.1  2.4  6 mi. ENE of Coso Junction, CA
 5/1   4:05 am  36  4.5  117 50.0  2.4  6 mi. ENE of Coso Junction, CA
 5/1   9:23 am  36  4.5  117 49.9  2.2  6 mi. ENE of Coso Junction, CA
 5/1  10:48 am  34 38.0  116 39.0  2.4  21 mi. NE of Lucerne Valley, CA
 5/1   1:02 pm  36  4.3  117 50.0  2.5  6 mi. ENE of Coso Junction, CA
 5/1   1:16 pm  36  4.3  117 50.1  2.0  6 mi. ENE of Coso Junction, CA
 5/1   2:02 pm  34 21.1  118 40.0  3.8  5 mi. NNE of Simi Valley, CA
 5/1   8:20 pm  34 30.1  120 59.4  2.6  20 mi. WSW of Pt. Arguello, CA
 5/1  10:06 pm  34  2.3  119  1.4  2.8  4 mi. W of Leo Carrillo State Beach, CA
 5/2   3:53 am  34 51.7  116 57.6  2.2  3 mi. ESE of Barstow, CA
 5/2   5:24 am  32 27.8  115 27.2  2.2  14 mi. S of Calexico, CA
 5/2   5:28 am  32 28.0  115 27.1  2.1  14 mi. S of Calexico, CA
 5/2  12:55 pm  32 31.2  115 15.1  2.0  17 mi. SE of Calexico, CA
 5/2   1:52 pm  36  4.9  117 36.9  2.4  18 mi. E of Coso Junction, CA
 5/2  10:32 pm  35 14.1  116 42.2  2.1  13 mi. SE of Goldstone Lake, CA
 5/2  11:56 pm  36  4.4  117 50.1  2.6  6 mi. ENE of Coso Junction, CA
 5/3   4:29 am  36  4.4  117 50.6  2.0  6 mi. ENE of Coso Junction, CA
 5/3  11:00 am  34 48.0  120 24.0  2.2  10 mi. S of Santa Maria, CA
 5/3  12:00 pm  36  4.7  117 50.0  2.2  6 mi. ENE of Coso Junction, CA
 5/3   7:02 pm  35 51.3  117 43.7  2.0  16 mi. NNW of Ridgecrest, CA
 5/3  10:53 pm  34 34.0  116 53.4  2.0  9 mi. NNE of Lucerne Valley, CA
 5/4   1:44 am  36  4.6  117 50.3  2.6  6 mi. ENE of Coso Junction, CA
 5/4   1:55 am  36  4.6  117 50.3  2.3  6 mi. ENE of Coso Junction, CA
 5/4  10:05 am  34 30.1  116 30.9  2.1  26 mi. N of Yucca Valley, CA
 5/4   3:39 pm  34 26.8  116 30.7  2.4  23 mi. N of Yucca Valley, CA
 5/4   3:45 pm  36  4.6  117 50.0  2.4  6 mi. ENE of Coso Junction, CA
 5/4   4:40 pm  34  3.9  116 42.3  2.8  7 mi. W of Morongo Valley, CA
 5/5   1:25 am  34  9.3  116 26.3  2.1  2 mi. N of Yucca Valley, CA
 5/5   2:11 am  32 31.6  115 14.8  2.1  17 mi. SE of Calexico, CA
 5/5   2:21 am  34  4.1  116 42.3  2.2  7 mi. WNW of Morongo Valley, CA
 5/5   5:16 am  34 15.8  116 57.4  2.0  2 mi. WNW of town of Big Bear Lake, CA
 5/5   5:54 am  34  4.0  116 42.3  2.4  7 mi. WNW of Morongo Valley, CA
 5/5   9:27 am  32 44.6  115 25.9  2.3  6 mi. NE of Calexico, CA
 5/5   9:31 am  32 44.6  115 26.1  2.3  6 mi. NNE of Calexico, CA
 5/5   9:49 am  34  1.7  116 21.1  2.1  7 mi. SSW of Joshua Tree, CA
 5/5  12:37 pm  36  4.9  117 50.3  2.1  6 mi. ENE of Coso Junction, CA
 5/5   9:32 pm  36  4.8  117 50.2  2.2  6 mi. ENE of Coso Junction, CA
 5/6  11:32 am  36 13.8  120 17.1  2.8  7 mi. NNE of Coalinga, CA
 5/6   5:32 pm  34 15.0  116 25.8  2.0  9 mi. N of Yucca Valley, CA
 5/6   9:36 pm  34  0.3  116 46.9  2.3  5 mi. N of Cabazon, CA
 5/7  10:16 am  35 43.3  117 39.0  2.1  6 mi. N of Ridgecrest, CA               
 5/7  11:48 am  35 53.3  118 19.2  2.0  19 mi. NNE of town of Lake Isabella, CA