Southern California Earthquakes in the Past Week

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

April 24, 1998


The time period covered is 5 pm on Thursday, April 16 through 5 pm on Thursday, April 23. During this period, we detected and analysed 266 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
-----------------------------------------------------------
4/16  8:13 pm  32 18.4  115  5.3  2.5  34 mi. SE of Calexico
4/17  2:26 am  34 40.2  117 18.9  2.3  9 mi. N of Victorville
4/17  7:16 am  34 26.9  119 12.7  2.3  2 mi. E of Ojai
4/17  8:02 am  34 36.5  116 37.7  3.6  21 mi. ENE of Lucerne Valley
4/17  9:10 am  34 37.8  116 35.6  2.7  23 mi. ENE of Lucerne Valley
4/17 10:10 am  36  3.2  117 51.5  2.1  5 mi. E of Coso Junction
4/17  3:46 pm  36  3.8  117 51.5  2.6  5 mi. ENE of Coso Junction
4/17  4:22 pm  33 40.3  117  0.8  2.4  5 mi. SSW of Hemet
4/17  7:48 pm  36  3.3  117 51.6  2.4  5 mi. E of Coso Junction
4/17  8:18 pm  36  3.2  117 51.5  2.0  5 mi. E of Coso Junction
4/17 11:37 pm  33 17.0  116  9.2  2.2  9 mi. N of Ocotillo Wells
4/18  1:53 am  32 31.7  117 30.1  2.6  22 mi. SW of Mission Beach
4/18  5:33 am  33 13.7  116 15.7  2.2  6 mi. ESE of Borrego Springs
4/18  7:18 am  33 17.0  116  9.2  2.2  9 mi. N of Ocotillo Wells
4/18  2:40 pm  33 21.1  116 14.9  2.1  9 mi. NE of Borrego Springs
4/18  3:17 pm  36 10.4  118  1.6  2.2  7 mi. S of Olancha
4/18  8:51 pm  34 36.3  116 37.5  2.7  21 mi. ENE of Lucerne Valley
4/19 12:23 am  34 24.0  116 28.0  2.1  19 mi. N of Yucca Valley
4/19  2:40 pm  35 47.5  117 38.4  2.3  11 mi. N of Ridgecrest
4/19  4:29 pm  32 59.4  117 44.8  2.1  25 mi. SW of Oceanside
4/19  5:33 pm  35 49.8  117 37.8  2.2  14 mi. N of Ridgecrest
4/20  5:03 am  36  6.1  117 35.3  2.0  20 mi. E of Coso Junction
4/20  7:07 am  36  6.0  117 35.5  2.0  20 mi. E of Coso Junction
4/20  5:09 pm  34  0.6  116 26.5  2.3  4 mi. NE of Desert Hot Springs
4/21  6:23 am  32 43.4  115 29.2  2.0  3 mi. N of Calexico
4/22  4:27 am  34 24.4  119 52.4  2.0  1 mi. WSW of Isla Vista
4/22  6:49 am  35 39.1  118  9.3  2.0  17 mi. E of town of Lake Isabella
4/22 10:40 am  35 17.9  119 18.0  2.6  13 mi. NE of Taft
4/22  1:33 pm  33 27.6  116 30.7  2.2  11 mi. SE of Anza
4/22  3:54 pm  36  4.6  117 51.3  2.1  5 mi. ENE of Coso Junction
4/22  3:55 pm  36  4.6  117 51.2  2.0  5 mi. ENE of Coso Junction
4/23 11:24 am  33 39.6  117  2.8  2.1  7 mi. SW of Hemet
4/23  3:14 pm  34 57.3  116 40.6  3.4  20 mi. ENE of Barstow
4/23  4:22 pm  36  4.2  117 38.6  2.4  17 mi. E of Coso Junction