Southern California Earthquakes in the Past Week

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

September 18, 1998


The time period covered is 5 pm on Thursday, September 10 through 5 pm on Thursday, September 17. During this period, we detected and analysed 187 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
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 9/10 10:39 pm  32 45.7  115 26.2  2.4  7 mi. NNE of Calexico, CA
 9/11  3:50 am  32 52.0  118 26.9  2.6  6 mi. WNW of San Clemente Is., CA 
 9/11  9:17 am  33 59.8  116 55.3  2.0  5 mi. NNW of Banning, CA
 9/11  3:18 pm  32 12.3  115 47.7  2.6  36 mi. SSW of Calexico, CA
 9/11  5:32 pm  32 13.8  115 43.3  2.4  33 mi. SSW of Calexico, CA
 9/11 10:15 pm  35  8.3  120 26.3  2.2  12 mi. N of Santa Maria, CA
 9/12  1:06 am  34 57.7  116 55.7  2.0  7 mi. NE of Barstow, CA
 9/12  1:41 am  35 43.9  118 29.0  2.5  6 mi. N of town of Lake Isabella, CA
 9/12  4:21 pm  34  6.8  116 55.2  2.0  5 mi. W of Mt. San Gorgonio, CA
 9/12 10:20 pm  32  0.9  115 43.0  2.7  46 mi. SSW of Calexico, CA
 9/13  4:52 am  34 30.5  116 30.9  2.3  27 mi. N of Yucca Valley, CA
 9/13  5:17 am  34 18.6  118 25.3  2.1  1 mi. NNE of San Fernando, CA
 9/13  8:03 am  35 56.8  117 19.2  2.7  12 mi. NNE of Trona, CA
 9/13  9:17 am  32 59.6  117 43.2  2.3  24 mi. SW  of Oceanside, CA
 9/13 10:11 am  36  9.1  119 57.8  2.8  22 mi. E of Coalinga, CA
 9/13 11:29 am  33  3.7  116 29.0  2.0  6 mi. E of Julian, CA
 9/13  5:47 pm  32 46.7  115 26.1  2.0  6 mi. E of El Centro, CA
 9/14  4:23 am  32 46.7  115 26.1  2.4  6 mi. E of El Centro, CA
 9/14  4:25 am  34  6.9  116 55.4  2.4  5 mi. W of Mt. San Gorgonio, CA
 9/14  5:08 am  32 46.4  115 26.2  2.4  6 mi. ESE of El Centro, CA
 9/14  5:41 am  32 46.3  115 26.3  2.2  6 mi. ESE of El Centro, CA
 9/14 11:12 am  34 23.2  116 27.7  2.1  18 mi. N of Yucca Valley, CA
 9/14 11:40 am  35 57.2  117 30.6  2.0  15 mi. NNW of Trona, CA
 9/14  2:05 pm  35 43.3  116 31.6  2.6  22 mi. SW of Shoshone, CA
 9/14  6:55 pm  34 13.3  116 48.1  2.2  4 mi. SE of Big Bear City, CA
 9/14  7:56 pm  32 27.3  119 22.8  2.6  54 mi. S of San Nicolas Is., CA
 9/14  8:56 pm  36 57.8  117 27.8  2.3  30 mi. NW of Stovepipe Wells, CA
 9/15  5:52 pm  33 42.1  120  3.7  2.2  16 mi. S of Santa Rosa Is., CA
 9/15  6:04 pm  34 20.1  118 31.2  2.0  3 mi. S of Newhall, CA
 9/15  8:18 pm  36 59.2  117 28.6  2.3  32 mi. NW of Stovepipe Wells, CA
 9/15  9:35 pm  33 28.1  116 34.3  2.7  8 mi. SE of Anza, CA
 9/16  2:00 am  35 57.5  120 31.1  3.4  6 mi. NW of Parkfield, CA
 9/16  9:09 am  35 57.2  120 32.5  3.4  7 mi. WNW of Parkfield, CA
 9/16  9:17 am  35 58.5  120 31.1  3.0  7 mi. NW of Parkfield, CA
 9/16 12:48 pm  35  4.0  118 49.0  2.2  9 mi. S of Arvin, CA
 9/17  8:26 am  33 28.7  116 26.6  2.3  15 mi. NNW of Borrego Springs, CA
 9/17  8:42 am  35 58.0  120 31.5  3.0  7 mi. NW of Parkfield, CA