Kate Hutton ,
Seismological Laboratory
Lucy Jones,
U. S. Geological Survey
California Institute of Technology
April 16, 1999
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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4/9 6:00 am 33 30.1 116 28.0 2.0 12 mi. ESE of Anza, CA
4/9 1:04 pm 35 17.7 118 37.6 2.0 12 mi. ENE of Arvin, CA
4/9 1:40 pm 34 17.0 120 20.0 2.8 14 mi. SSE of Pt. Conception, CA
4/9 5:00 pm 33 59.4 116 24.0 2.0 6 mi. ENE of Desert Hot Springs, CA
4/9 6:18 pm 34 3.7 117 17.5 2.5 2 mi. WNW of Loma Linda, CA
4/10 5:43 am 33 11.8 115 59.7 2.1 5 mi. SSW of Salton City, CA
4/10 7:36 pm 35 38.0 117 36.1 2.3 3 mi. ENE of Ridgecrest, CA
4/10 10:18 pm 36 1.0 117 47.8 2.2 8 mi. ESE of Coso Junction, CA
4/11 2:09 am 34 21.1 118 34.8 3.6 3 mi. SSW of Valencia, CA
FELT as far away as Altadena
4/11 10:21 am 34 19.2 116 50.5 3.1 3 mi. N of Big Bear City, CA
4/11 1:08 pm 34 19.0 116 50.2 2.7 3 mi. NNE of Big Bear City, CA
4/12 4:40 am 33 10.8 115 36.0 2.4 2 mi. ENE of Obsidian Butte, CA
4/12 4:53 am 34 28.9 116 30.6 2.5 25 mi. N of Yucca Valley, CA
4/12 11:05 am 36 16.6 118 19.6 2.0 21 mi. S of Mt. Whitney, CA
4/12 4:08 pm 34 0.5 118 17.0 2.4 3 mi. S of Macarthur Park, CA
4/13 1:31 am 33 39.0 117 57.7 2.1 2 mi. NW of Newport Beach, CA
4/13 2:34 am 33 29.9 115 49.6 2.0 6 mi. ESE of North Shore, CA
4/13 6:47 am 35 53.7 118 21.8 2.7 18 mi. NNE of town of Lake Isabella, CA
4/13 6:54 am 35 53.7 118 21.7 2.0 18 mi. NNE of town of Lake Isabella, CA
4/13 11:22 am 33 40.1 117 57.3 3.4 3 mi. S of Fountain Valley, CA
FELT throughout Orange County
4/13 11:44 am 33 42.6 118 2.3 2.0 1 mi. N of Bolsa Chica Beach, CA
4/13 3:35 pm 35 55.5 117 39.2 2.3 20 mi. N of Ridgecrest, CA
4/13 4:39 pm 33 59.0 116 24.1 3.4 5 mi. ENE of Desert Hot Springs, CA
4/13 5:18 pm 33 18.6 116 11.0 2.2 11 mi. NNW of Ocotillo Wells, CA
4/13 8:57 pm 33 4.0 116 2.6 2.0 7 mi. SE of Ocotillo Wells, CA
4/13 10:04 pm 35 6.6 118 46.0 2.0 7 mi. SSE of Arvin, CA
4/14 12:25 am 33 27.3 116 35.1 2.0 8 mi. SE of Anza, CA
4/14 3:47 am 35 6.3 118 45.6 2.0 8 mi. SSE of Arvin, CA
4/14 10:16 am 33 57.2 116 48.8 2.1 2 mi. NW of Cabazon, CA
4/14 11:23 am 34 12.0 118 53.1 2.0 3 mi. NW of Thousand Oaks, CA
4/14 1:23 pm 34 19.1 116 50.6 2.0 3 mi. N of Big Bear City, CA
4/14 2:29 pm 35 25.9 118 19.0 2.2 16 mi. SSE of town of Lake Isabella, CA
4/14 4:50 pm 33 41.5 117 24.4 2.0 4 mi. WNW of Lake Elsinore, CA
4/14 6:03 pm 36 24.1 117 56.2 2.0 9 mi. NNE of Olancha, CA
4/14 8:47 pm 33 9.7 115 38.1 2.0 Under Obsidian Butte, CA
4/14 8:48 pm 33 9.7 115 38.3 2.4 Under Obsidian Butte, CA
4/14 8:51 pm 33 9.9 115 38.4 3.3 Under Obsidian Butte, CA
FELT in Imperial Valley
4/14 8:56 pm 33 9.8 115 38.5 2.5 Under Obsidian Butte, CA
4/14 8:59 pm 33 9.9 115 38.3 3.1 Under Obsidian Butte, CA
FELT in Imperial Valley
4/14 9:12 pm 33 9.6 115 38.0 2.4 Under Obsidian Butte, CA
4/14 9:15 pm 33 9.7 115 38.2 2.7 Under Obsidian Butte, CA
4/14 10:24 pm 33 9.6 115 38.4 2.1 Under Obsidian Butte, CA
4/15 12:08 am 34 13.8 116 45.5 2.8 5 mi. ESE of Big Bear City, CA
4/15 2:00 am 33 9.7 115 38.4 2.3 Under Obsidian Butte, CA
4/15 2:44 am 36 5.7 117 48.9 2.2 8 mi. ENE of Coso Junction, CA
4/15 7:12 am 34 22.0 118 43.5 2.1 6 mi. N of Simi Valley, CA
4/15 4:03 pm 34 50.1 116 12.9 3.0 30 mi. SSW of Baker, CA
4/15 4:15 pm 32 34.7 116 9.5 2.0 14 mi. SW of Ocotillo, CA
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