Southern California Earthquakes in the Past Week

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

August 14, 1998


The time period covered is 5 pm on Thursday, August 6 through 5 pm on Thursday, August 13, local time. During this period, we detected and analysed 159 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
-----------------------------------------------------------
 8/6  10:26 pm  32 59.4  116 24.5  2.6  12 mi. ESE of Julian, CA
 8/7   4:14 am  36  3.5  117 38.3  2.2  17 mi. E of Coso Junction, CA
 8/7   8:32 am  32 44.6  115 30.5  2.5  4 mi. SE of El Centro, CA
 8/7  12:10 pm  34  0.2  118 22.9  2.1  Under Baldwin Hills, CA
 8/7  12:33 pm  33 42.6  118 24.8  2.8  4 mi. S of Palos Verdes Point, CA
 8/7   8:22 pm  36  3.8  117 59.3  2.3  2 mi. WNW of Coso Junction, CA
 8/8  12:05 am  36  6.0  117 35.5  2.0  20 mi. E of Coso Junction, CA
 8/9   9:13 pm  34 12.1  116 49.6  2.0  4 mi. SSE of Big Bear City, CA
 8/9   9:13 pm  33 46.8  117 40.4  2.6  9 mi. SW of Corona, CA
 8/9   9:13 pm  34 12.4  116 49.5  2.0  4 mi. SSE of Big Bear City, CA
 8/10  3:41 am  35  2.8  118 55.1  2.5  3 mi. NNE of Wheeler Ridge, CA
 8/10  7:33 am  33 39.4  118 26.9  2.0  8 mi. S of Palos Verdes Point, CA
 8/10  8:33 pm  34 14.4  118 34.8  2.1  1 mi. SE of Chatsworth, CA
 8/10  9:22 pm  33 56.1  119 12.3  2.0  14 mi. S of Port Hueneme, CA
 8/11  2:31 pm  34  9.6  116 25.4  2.1  3 mi. NNE of Yucca Valley, CA
 8/11  4:40 pm  34  8.8  116 26.0  2.2  2 mi. NNE of Yucca Valley, CA
 8/11 10:48 pm  35  3.8  117  6.6  2.3  13 mi. NNW of Barstow, CA
 8/11 11:34 pm  34  3.3  117 31.3  2.0  5 mi. SE of Rancho Cucamonga, CA
 8/12  1:49 am  34 55.8  116 40.3  2.1  20 mi. E of Barstow, CA
 8/12  9:04 am  34 27.4  120 46.1  3.1  10 mi. SW of Pt. Arguello, CA
 8/12 11:16 am  34 38.3  117 31.1  3.2  14 mi. WNW of Victorville, CA
 8/12 12:56 pm  34 50.6  117 36.8  3.6  11 mi. S of Boron, CA
 8/13 11:03 am  35 56.4  117 20.0  2.4  12 mi. N of Trona, CA
 8/13 11:38 am  36  5.4  117 36.5  2.2  19 mi. E of Coso Junction, CA
 8/13  1:06 pm  33 50.0  117 58.5  2.2  4 mi. NNW of Garden Grove, CA
 8/13  1:09 pm  35 11.5  116 51.4  2.1  11 mi. S of Goldstone Lake, CA
 8/13  3:47 pm  36  5.7  117 36.4  2.4  19 mi. E of Coso Junction, CA