Southern California Earthquakes in the Past Week

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

May 29, 1998


The time period covered is 5 pm on Thursday, May 21 through 5 pm on Thursday, May 28. During this period, we detected and analysed 144 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
-----------------------------------------------------------
 5/21 10:28 pm  32 37.5  118  3.7  2.4  21 mi. SE of San Clemente Is., CA 
 5/22  6:46 am  34 10.4  117 20.6  3.0  4 mi. NNE of Rialto, CA
 5/22  5:30 pm  34 16.0  119 21.7  2.0  3 mi. WSW of Ventura, CA
 5/22  9:34 pm  36  3.2  117 50.6  2.2  5 mi. E of Coso Junction, CA
 5/23 12:42 am  34  6.8  116 42.5  2.1  6 mi. E of Mt. San Gorgonio, CA
 5/23  3:16 am  35 47.2  117 38.4  2.5  11 mi. N of Ridgecrest, CA
 5/23  9:56 pm  35 26.7  117 26.2  2.8  17 mi. SE of Ridgecrest, CA
 5/25  1:04 am  34 58.3  116 48.9  2.3  13 mi. ENE of Barstow, CA
 5/25  8:30 am  32  0.4  115 46.0  2.7  48 mi. SSW of Calexico, CA
 5/25  9:15 pm  35 29.4  117 33.5  2.3  10 mi. SSE of Ridgecrest, CA
 5/25 10:19 pm  33 55.5  117 49.5  2.1  2 mi. NNW of Yorba Linda, CA
 5/26  5:04 am  34 36.0  116 37.9  2.0  20 mi. ENE of Lucerne Valley, CA
 5/26  6:26 am  33 47.9  116 58.1  2.2  3 mi. N of Hemet, CA
 5/26 10:38 pm  33 58.1  117 14.1  2.2  5 mi. S of Loma Linda, CA
 5/27  7:43 pm  34 58.9  119  5.8  2.0  8 mi. W of Wheeler Ridge, CA
 5/27 10:15 pm  32 57.0  117 42.9  2.0  25 mi. SW of Oceanside, CA
 5/28  3:23 am  33 22.8  116 21.9  2.2  8 mi. N of Borrego Springs, CA
 5/28  9:18 am  36  4.1  117 50.0  2.3  6 mi. ENE of Coso Junction, CA
 5/28  3:38 pm  33 25.6  118  0.0  2.9  13 mi. SSW of Newport Beach, CA
 5/28  3:58 pm  34 30.4  116 31.5  2.5  27 mi. N of Yucca Valley, CA