Southern California Earthquakes in the Past Week

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

July 24, 1998


The time period covered is 5 pm on Thursday, July 16 through 5 pm on Thursday, July 23, local time. During this period, we detected and analysed 206 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
-----------------------------------------------------------
 7/16  9:03 pm  35 19.4  118 38.6  2.0  13 mi. NE of Arvin, CA
 7/17  1:11 am  34 37.9  116 41.0  2.1  19 mi. NE of Lucerne Valley, CA
 7/17  4:40 am  36 58.1  117 30.8  2.8  32 mi. NW of Stovepipe Wells, CA
 7/17  4:43 am  34 58.7  116 57.1  3.3  7 mi. NNE of Barstow, CA
 7/17  4:51 am  36 56.0  117 31.7  2.5  31 mi. NW of Stovepipe Wells, CA
 7/17  6:33 am  32 47.8  118 20.2  2.5  1 mi. SSE of San Clemente Is., CA
 7/17  4:38 pm  36 10.9  116 44.2  2.4  19 mi. SSE of Furnace Creek, CA
 7/17 10:32 pm  36 59.8  117 26.0  2.2  31 mi. NNW of Stovepipe Wells, CA
 7/17 10:36 pm  33 50.1  119 18.0  3.5  18 mi. SE of Santa Cruz Is., CA
                                        FELT in Ventura area
 7/18  4:45 pm  33 49.3  119 17.8  2.1  19 mi. SE of Santa Cruz Is., CA
 7/18  7:28 pm  33 39.6  117 21.4  2.5  1 mi. WSW of Lake Elsinore, CA
 7/18 11:33 pm  36  4.3  117 50.5  2.1  6 mi. ENE of Coso Junction, CA
 7/19 12:52 am  36 58.7  117 27.0  2.3  30 mi. NNW of Stovepipe Wells, CA
 7/19  1:41 am  34 28.4  120 43.5  2.4  8 mi. SSW of Pt. Arguello, CA              
 7/19  4:12 am  36  4.4  117 50.4  2.1  6 mi. ENE of Coso Junction, CA
 7/19  8:01 am  36  4.3  117 50.4  2.2  6 mi. ENE of Coso Junction, CA
 7/19  8:09 am  32 20.8  115 21.3  2.1  23 mi. SSE of Calexico, CA
 7/19  8:39 am  32 21.5  115 21.8  2.0  22 mi. SSE of Calexico, CA
 7/19  2:18 pm  36 59.0  117 27.5  2.2  31 mi. NNW of Stovepipe Wells, CA
 7/19  3:58 pm  33 15.4  115 59.0  2.1  1 mi. SW of Salton City, CA
 7/19  7:12 pm  33 36.6  119  0.7  2.2  9 mi. NNE of Santa Barbara Is., CA
 7/20  5:31 am  33 36.8  117 55.2  2.5  Under Newport Beach, CA; FELT in
                                        Newport Beach
 7/20  9:21 am  33 50.8  116 49.8  2.6  5 mi. SSW of Cabazon, CA
 7/20 11:25 pm  33 10.6  116  2.2  2.1  5 mi. ENE of Ocotillo Wells, CA
 7/21  1:06 am  34 24.4  116 29.4  3.0  20 mi. N of Yucca Valley, CA
 7/21  4:33 am  36 57.3  117 38.9  2.1  33 mi. NE of Lone Pine, CA
 7/21  2:28 pm  36 55.1  117 28.0  2.0  28 mi. NW of Stovepipe Wells, CA
 7/21  2:40 pm  32 58.6  115 32.1  3.0  1 mi. N of Brawley, CA; FELT in
                                        Brawley
 7/21  3:45 pm  32 58.8  115 32.2  2.4  1 mi. N of Brawley, CA
 7/21  5:37 pm  32 13.6  117  0.6  2.5  22 mi. S of San Ysidro, CA
 7/22 12:12 am  33 10.6  116  2.3  2.6  5 mi. ENE of Ocotillo Wells, CA
 7/22  1:57 am  36 59.6  117 24.5  2.9  30 mi. NNW of Stovepipe Wells, CA
 7/22  2:00 am  34 58.7  116 57.3  2.4  7 mi. NNE of Barstow, CA
 7/22  2:01 am  34 58.9  116 57.4  2.1  7 mi. NNE of Barstow, CA
 7/22  2:01 am  34 58.2  116 57.5  2.2  6 mi. NNE of Barstow, CA
 7/22  6:48 am  33 58.4  116 38.8  2.5  6 mi. SW of Morongo Valley, CA
 7/22  6:11 pm  32  3.2  115 34.5  2.7  42 mi. S of Calexico, CA
 7/22  7:25 pm  34 22.7  116 27.1  2.1  17 mi. N of Yucca Valley, CA
 7/23  2:10 pm  33 49.8  119 21.6  2.1  16 mi. SSE of Santa Cruz Is., CA