Kate Hutton ,
Seismological Laboratory
Lucy Jones,
U. S. Geological Survey
California Institute of Technology
July 30, 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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7/23 1:36 am 33 28.3 116 25.9 2.1 15 mi. NNW of Borrego Springs, CA
7/23 11:16 am 34 58.0 117 1.6 2.3 5 mi. N of Barstow, CA
7/23 11:42 am 36 22.9 118 0.3 2.2 6 mi. N of Olancha, CA
7/23 3:24 pm 34 20.9 116 28.7 2.2 15 mi. N of Yucca Valley, CA
7/23 3:26 pm 36 1.5 117 49.9 2.0 6 mi. ESE of Coso Junction, CA
7/23 5:18 pm 36 26.8 117 51.5 3.0 14 mi. NE of Olancha, CA
7/23 5:25 pm 32 46.7 115 32.8 2.1 1 mi. SSE of El Centro, CA
7/23 5:43 pm 34 35.2 120 25.1 2.1 4 mi. SSE of Lompoc, CA
7/23 5:56 pm 33 38.1 116 42.9 2.3 6 mi. NNW of Anza, CA
7/23 6:06 pm 34 19.3 116 27.4 2.3 14 mi. N of Yucca Valley, CA
7/23 6:13 pm 32 46.7 115 32.8 3.7 1 mi. SSE of El Centro, CA
FELT in Imperial Valley
7/23 6:15 pm 32 46.8 115 31.7 2.5 1 mi. ESE of El Centro, CA
7/23 6:17 pm 32 46.8 115 33.1 2.0 Under El Centro, CA
7/23 6:29 pm 32 47.2 115 32.8 2.2 Under El Centro, CA
7/23 6:31 pm 36 25.4 117 51.9 2.2 12 mi. NE of Olancha, CA
7/23 6:57 pm 32 47.6 115 33.0 2.2 Under El Centro, CA
7/23 6:58 pm 32 47.6 115 33.1 2.4 Under El Centro, CA
7/23 7:01 pm 32 46.1 115 33.3 3.9 1 mi. S of El Centro, CA
FELT in Imperial Valley
7/23 7:02 pm 32 47.3 115 33.0 3.0 Under El Centro, CA
7/23 10:33 pm 33 47.2 116 57.0 2.4 3 mi. NNE of Hemet, CA
7/23 10:53 pm 32 47.3 115 32.8 2.0 Under El Centro, CA
7/23 11:26 pm 32 47.7 115 33.3 2.1 Under El Centro, CA
7/24 12:05 am 32 47.6 115 33.1 2.0 Under El Centro, CA
7/24 12:18 am 32 5.2 115 31.0 2.8 40 mi. S of Calexico, CA
7/24 1:42 am 32 46.9 115 32.5 2.1 1 mi. SE of El Centro, CA
7/24 2:43 am 34 18.2 118 29.1 2.5 2 mi. NNE of Granada Hills, CA
7/24 3:37 am 32 47.6 115 33.0 2.0 Under El Centro, CA
7/24 4:01 am 32 47.3 115 32.3 2.3 Under El Centro, CA
7/24 4:27 am 32 46.9 115 32.5 2.0 1 mi. SE of El Centro, CA
7/24 4:48 pm 33 37.7 116 42.7 2.4 5 mi. NNW of Anza, CA
7/24 7:38 pm 34 12.3 119 37.1 2.1 13 mi. NNW of Santa Cruz Is., CA (E end)
7/24 10:16 pm 34 25.8 116 28.0 2.2 21 mi. N of Yucca Valley, CA
7/25 3:23 am 33 1.5 117 51.0 2.5 31 mi. SSW of Dana Point, CA
7/25 1:56 pm 32 46.5 115 32.2 2.3 1 mi. SSE of El Centro, CA
7/25 10:15 pm 35 48.9 118 20.1 2.0 14 mi. NNE of town of Lake Isabella, CA
7/26 12:15 am 33 38.5 119 1.4 2.1 11 mi. N of Santa Barbara Is. , CA
7/26 5:58 am 33 19.8 115 42.1 2.0 2 mi. SE of Bombay Beach, CA
7/26 12:14 pm 32 34.5 116 9.4 2.0 14 mi. SW of Ocotillo, CA
7/27 3:16 pm 34 38.3 116 30.8 2.1 28 mi. ENE of Lucerne Valley, CA
7/27 6:04 pm 34 38.3 116 40.0 2.3 20 mi. NE of Lucerne Valley, CA
7/27 7:02 pm 32 46.0 115 32.0 2.3 2 mi. SSE of El Centro, CA
7/27 7:05 pm 32 48.7 115 33.0 2.2 1 mi. N of El Centro, CA
7/27 7:29 pm 34 24.3 116 28.3 2.0 19 mi. N of Yucca Valley, CA
7/27 8:27 pm 32 34.3 116 9.0 2.0 14 mi. SW of Ocotillo, CA
7/27 10:38 pm 34 13.1 117 26.2 3.1 2 mi. W of Devore, CA
FELT in Lytle Creek, Cajon Pass area
7/28 2:46 pm 34 16.1 117 36.1 2.0 3 mi. ESE of Mt. Baldy, CA
7/28 2:49 pm 33 37.6 116 44.5 2.1 6 mi. NW of Anza, CA
7/28 3:29 pm 33 58.6 116 58.9 2.0 3 mi. N of Beaumont, CA
7/28 3:59 pm 33 15.2 116 24.2 2.0 1 mi. W of Borrego Springs, CA
7/29 5:16 am 34 58.2 116 57.1 2.4 6 mi. NE of Barstow, CA
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