Southern California Earthquakes in the Past Week

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

May 15, 1998


The time period covered is 5 pm on Thursday, May 7 through 5 pm on Thursday, May 14. 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
-----------------------------------------------------------
 5/7   8:44 pm  36  4.4  117 39.0  2.6  16 mi. E of Coso Junction, CA
 5/8   8:11 am  34 20.7  117 35.5  2.3  2 mi. ESE of Wrightwood, CA
 5/8   1:42 pm  36  4.7  117 57.4  2.1  2 mi. NNW of Coso Junction, CA
 5/8   1:43 pm  36  4.5  117 57.6  2.9  2 mi. NNW of Coso Junction, CA
 5/8   8:40 pm  33  9.2  115 38.3  2.2  1 mi. S of Obsidian Butte, CA
 5/8  11:06 pm  34  2.0  118 58.0  2.0  1 mi. WSW of Leo Carrillo State 
                                        Beach, CA
 5/9   3:08 am  34 18.0  119 21.6  2.2  3 mi. WNW of Ventura, CA
 5/9   3:19 am  33  9.7  115 38.5  3.1  Under Obsidian Butte, CA - FELT
 5/9   5:28 am  34 29.8  118 19.4  2.6  11 mi. SSE of Elizabeth Lake, CA
 5/9   7:07 am  36  4.2  117 37.5  2.0  18 mi. E of Coso Junction, CA
 5/9   9:34 am  34  0.1  117 29.2  2.6  6 mi. W of Riverside, CA
 5/9  10:18 am  36  5.0  117 51.0  2.0  6 mi. ENE of Coso Junction, CA
 5/9   9:20 pm  34 21.5  116 26.7  2.6  16 mi. N of Yucca Valley, CA
 5/10 12:49 am  35 42.1  117 37.3  2.1  6 mi. NNE of Ridgecrest, CA
 5/10  8:41 am  34 15.8  118 25.5  2.1  1 mi. SSE of Pacoima, CA
 5/10  9:51 am  36  0.6  117 48.0  3.5  8 mi. ESE of Coso Junction, CA
 5/10  1:12 pm  36  4.2  117 37.5  2.4  18 mi. E of Coso Junction, CA
 5/10  2:30 pm  34  7.0  117 18.9  2.2  1 mi. WNW of San Bernardino, CA
 5/11  1:34 pm  33 17.4  116 19.2  2.0  3 mi. NE of Borrego Springs, CA
 5/11  3:43 pm  34 12.5  116 49.3  2.3  4 mi. SSE of Big Bear City, CA
 5/11  7:13 pm  35 39.7  117 18.0  2.0  8 mi. SSE of Trona, CA
 5/12  9:34 am  35  4.5  116 59.9  2.1  12 mi. N of Barstow, CA
 5/13 12:43 am  34  2.9  117 15.9  2.1  Under Loma Linda, CA
 5/13  4:42 am  34 14.1  116 25.9  2.3  8 mi. N of Yucca Valley, CA
 5/13  4:43 am  34 14.3  116 26.1  2.4  8 mi. N of Yucca Valley, CA
 5/13 12:40 pm  32 45.3  115 31.1  2.6  3 mi. SE of El Centro, CA
 5/13  3:47 pm  36  4.6  117 50.1  2.6  6 mi. ENE of Coso Junction, CA
 5/13  8:23 pm  35 32.3  117 30.5  2.0  10 mi. ESE of Ridgecrest, CA
 5/14 12:15 am  33  9.4  115 32.2  2.1  2 mi. NNW of Calipatria, CA
 5/14  7:07 am  34 56.4  116 50.8  2.0  10 mi. ENE of Barstow, CA
 5/14 11:21 am  33 20.5  117 58.3  2.0  17 mi. SW of Laguna Beach, CA
 5/14 11:30 am  34 27.4  116 28.9  2.2  23 mi. N of Yucca Valley, CA