Southern California Earthquakes in the Past Week

Nick Scheckel , Seismological Laboratory
Lucy Jones, U. S. Geological Survey
California Institute of Technology

September 11, 1998


The time period covered is 5 pm on Thursday, September 3 through 5 pm on Thursday, September 10. During this period, we detected and analysed 232 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
-----------------------------------------------------------
 9/3  11:27 pm  34 59.4  116 56.7  2.6  8 mi. NNE of Barstow, CA
 9/4   5:56 am  34  6.7  116 55.3  2.5  5 mi. W of Mt. San Gorgonio, CA
 9/4   7:20 am  32 59.8  117 46.4  2.1  26 mi. WSW of Oceanside, CA
 9/4  11:55 pm  32 45.4  115 25.7  2.0  7 mi. NNE of Calexico, CA
 9/5  12:09 am  34 24.7  116 28.6  2.3  20 mi. N of Yucca Valley, CA
 9/5  12:38 am  35 46.9  117 39.4  2.0  11 mi. N of Ridgecrest, CA
 9/5   3:02 pm  34 34.4  119 46.2  2.1  9 mi. NNE of Goleta, CA
 9/5   3:21 pm  34  7.3  116 56.0  2.8  6 mi. WNW of Mt. San Gorgonio, CA
 9/6   2:49 am  35 55.1  117 14.9  2.4  12 mi. NNE of Trona, CA
 9/6   4:18 am  34 40.5  120 24.0  2.0  4 mi. NE of Lompoc, CA
 9/6  12:01 pm  35 21.2  118 34.4  2.1  16 mi. NNW of Tehachapi, CA
 9/6   3:49 pm  36 21.5  119 49.3  2.9  26 mi. S of Fresno, CA
 9/6   4:01 pm  33 10.4  115 35.8  2.1  2 mi. E of Obsidian Butte, CA
 9/6   4:03 pm  33 10.6  115 35.5  2.2  2 mi. E of Obsidian Butte, CA
 9/6   4:07 pm  33 10.1  115 37.8  2.2  Under Obsidian Butte, CA
 9/6   5:15 pm  32 45.3  115 25.6  2.1  7 mi. NNE of Calexico, CA
 9/6   6:29 pm  34  7.2  116 55.7  2.1  5 mi. WNW of Mt. San Gorgonio, CA
 9/7   8:02 am  35 10.2  117 39.6  2.2  11 mi. N of Boron, CA
 9/7   9:37 am  33 59.1  117 12.4  2.1  5 mi. SSW of Redlands, CA
 9/7   2:31 pm  35 51.7  117 42.0  2.0  16 mi. N of Ridgecrest, CA
 9/7   7:39 pm  36  2.1  117 48.9  2.0  7 mi. E of Coso Junction, CA
 9/7   9:19 pm  36  4.8  117 36.0  2.1  19 mi. E of Coso Junction, CA
 9/7  10:41 pm  32  4.4  115 26.1  2.5  41 mi. S of Calexico, CA
 9/8   8:47 am  34 16.8  116 27.1  2.1  11 mi. N of Yucca Valley, CA
 9/8  11:59 am  32 40.4  117  8.6  2.1  3 mi. SSE of San Diego, CA
 9/8   4:17 pm  33 13.0  116 41.4  2.5  4 mi. ESE of Lake Henshaw, CA
 9/9   7:01 am  33 27.1  116 24.8  2.0  13 mi. N of Borrego Springs, CA
 9/9  12:43 pm  33 55.5  116 47.5  2.7  Under Cabazon, CA
 9/9   4:48 pm  33 17.8  116 14.3  2.0  8 mi. ENE of Borrego Springs, CA
 9/9   5:53 pm  33 59.4  116 57.5  2.1  4 mi. NNE of Beaumont, CA
 9/9   6:38 pm  32 47.9  116 38.9  2.0  19 mi. S of Julian, CA
 9/9   9:54 pm  34 33.8  119 10.6  2.1  8 mi. NNE of Ojai, CA
 9/10  2:39 am  36  2.6  117 38.8  2.7  16 mi. E of Coso Junction, CA
 9/10  2:44 am  36  2.6  117 38.8  2.1  16 mi. E of Coso Junction, CA
 9/10  8:43 am  33 17.2  116 11.9  3.1  10 mi. NNW of Ocotillo Wells, CA