Southern California Earthquakes in the Past Week

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

December 11, 1998


The time period covered is 4 pm on Thursday, December 3 (PDT) through 4 pm on Thursday, December 10 (PST). During this period, we detected and analysed 124 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      Lat.     Long.     Mag. Descriptive location
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12/3   7:45 pm  32 13.5  116 26.8  2.6  41 mi. ESE of San Ysidro, CA
12/4   1:55 am  34  9.6  116 24.4  2.1  3 mi. NE of Yucca Valley, CA
12/4   8:02 am  34  1.2  117 12.1  2.5  2 mi. SSW of Redlands, CA
12/4  10:10 am  33 16.9  117 28.6  2.2  8 mi. NW of Oceanside, CA
12/4   6:03 pm  33 50.2  117 45.7  2.3  4 mi. SE of Yorba Linda, CA
12/5   6:40 am  35 34.2  118  4.3  2.0  22 mi. ESE of town of Lake Isabella, CA
12/5   3:41 pm  32 46.6  115 26.3  2.5  6 mi. E of El Centro, CA
12/5   5:29 pm  32 45.5  115 25.8  2.2  7 mi. NNE of Calexico, CA
12/5   7:20 pm  33 37.2  118  2.2  2.7  4 mi. S of Bolsa Chica Beach, CA
12/5   7:42 pm  36  1.2  117 41.2  2.0  14 mi. E of Coso Junction, CA
12/5   8:23 pm  36  1.2  117 41.2  2.2  14 mi. E of Coso Junction, CA
12/6   4:41 am  33 47.5  116 10.4  2.2  5 mi. NNE of Indio, CA
12/6   4:59 pm  36  3.4  117 51.5  2.1  5 mi. E of Coso Junction, CA
12/6  11:55 pm  35 19.6  118 36.3  2.3  16 mi. NNW of Tehachapi, CA
12/7   3:26 am  33 33.5  118 20.5  2.0  10 mi. SSW of Pt. Fermin, San Pedro, CA
12/7   6:12 am  34  5.4  116 50.5  2.2  1 mi. SW of Mt. San Gorgonio, CA 
12/7   9:11 pm  34  7.0  116 55.2  2.0  5 mi. WNW of Mt. San Gorgonio, CA
12/8   2:06 am  34  0.1  117 35.1  2.0  5 mi. SE of Ontario, CA
12/8   6:18 pm  33  3.8  117 53.1  2.3  29 mi. SSW of Dana Point, CA
12/8   8:19 pm  33 43.1  116 48.5  2.7  5 mi. WSW of Idyllwild, CA
12/9   2:40 am  34 21.6  119 32.7  2.5  2 mi. SSW of Carpinteria, CA
12/9   5:03 am  35 47.2  117 38.2  2.5  11 mi. N of Ridgecrest, CA
12/9   7:54 am  32 45.7  115 25.9  2.4  7 mi. NNE of Calexico, CA
12/9   9:45 am  34 25.3  117 43.6  2.3  7 mi. NW of Wrightwood, CA
12/9   5:18 pm  33 37.2  116 39.3  2.0  4 mi. NNE of Anza, CA    
12/9  10:11 pm  32 15.7  115 48.7  2.6  34 mi. SSE of Ocotillo, CA
12/10  9:01 am  32 31.0  115 14.6  2.5  17 mi. SE of Calexico, CA 
12/10  9:43 am  35  7.2  118 30.6  2.3  3 mi. W of Tehachapi, CA  
12/10 12:02 pm  33 57.0  116 51.4  2.6  1 mi. NE of Banning, CA   
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