Kate Hutton ,
Seismological Laboratory
Lucy Jones,
U. S. Geological Survey
California Institute of Technology
December 17, 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. 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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12/9 5:15 pm 34 51.5 116 18.8 2.3 31 mi. SSW of Baker, CA
12/9 5:36 pm 34 37.7 116 16.2 2.4 34 mi. N of Joshua Tree, CA
12/9 6:08 pm 34 25.4 116 11.5 2.0 21 mi. NNE of Joshua Tree, CA
12/9 8:01 pm 34 47.8 116 17.5 2.0 34 mi. SSW of Baker, CA
12/9 10:30 pm 34 16.0 116 25.5 2.0 10 mi. N of Yucca Valley, CA
12/9 10:31 pm 34 39.1 116 17.6 2.6 35 mi. N of Joshua Tree, CA
12/9 11:07 pm 34 40.2 116 18.0 2.0 36 mi. N of Joshua Tree, CA
12/9 11:46 pm 34 41.6 116 20.9 2.4 38 mi. N of Joshua Tree, CA
12/10 12:19 am 34 51.5 116 24.5 2.6 34 mi. SW of Baker, CA
12/10 12:36 am 34 35.3 116 18.0 3.2 31 mi. N of Joshua Tree, CA
12/10 2:15 am 34 39.3 116 17.1 2.8 35 mi. N of Joshua Tree, CA
12/10 3:37 am 34 56.5 120 43.8 2.5 4 mi. NW of Pt. Sal, CA
12/10 4:49 am 34 47.7 116 16.6 2.0 34 mi. SSW of Baker, CA
12/10 7:37 am 34 30.2 116 15.5 2.4 25 mi. N of Joshua Tree, CA
12/10 9:21 am 34 48.0 116 25.3 2.1 37 mi. SSW of Baker, CA
12/10 10:33 am 34 36.5 116 14.5 2.1 32 mi. N of Joshua Tree, CA
12/10 11:44 am 34 35.5 116 17.0 2.2 31 mi. N of Joshua Tree, CA
12/10 12:30 pm 32 58.8 115 33.3 2.0 1 mi. NW of Brawley, CA
12/10 12:55 pm 34 41.6 116 21.6 2.2 38 mi. N of Joshua Tree, CA
12/10 3:02 pm 34 37.4 116 12.5 2.0 34 mi. N of Joshua Tree, CA
12/10 3:59 pm 33 56.4 117 42.9 2.0 5 mi. SSW of Chino, CA
12/10 4:01 pm 34 15.6 118 24.8 2.2 2 mi. SE of San Fernando, CA
12/10 4:09 pm 34 34.3 116 15.9 2.9 30 mi. N of Joshua Tree, CA
12/10 4:14 pm 34 34.5 116 15.4 2.1 30 mi. N of Joshua Tree, CA
12/10 4:30 pm 34 48.1 116 22.3 2.3 36 mi. SSW of Baker, CA
12/10 5:18 pm 34 52.0 116 23.6 2.3 32 mi. SSW of Baker, CA
12/10 5:23 pm 34 23.2 116 9.6 2.1 18 mi. NNW of Twentynine Palms, CA
12/10 5:27 pm 36 0.9 117 42.5 2.3 13 mi. E of Coso Junction, CA
12/10 6:20 pm 34 36.6 116 18.5 2.6 32 mi. N of Joshua Tree, CA
12/10 7:30 pm 34 43.6 116 18.4 2.7 39 mi. SSW of Baker, CA
12/10 9:12 pm 34 38.9 116 19.1 2.3 35 mi. N of Joshua Tree, CA
12/11 12:35 am 34 36.6 116 17.1 2.4 32 mi. N of Joshua Tree, CA
12/11 12:56 am 34 51.5 116 24.3 3.1 33 mi. SW of Baker, CA
12/11 4:04 am 34 26.8 116 12.7 2.1 22 mi. NNE of Joshua Tree, CA
12/11 4:43 am 34 41.1 116 19.8 2.2 37 mi. N of Joshua Tree, CA
12/11 4:58 am 34 25.9 117 45.5 2.1 9 mi. WNW of Wrightwood, CA
12/11 5:59 am 34 39.8 116 20.2 2.2 36 mi. N of Joshua Tree, CA
12/11 7:33 am 34 20.8 116 8.9 2.0 15 mi. NNW of Twentynine Palms, CA
12/11 9:17 am 34 25.7 117 45.4 2.6 9 mi. WNW of Wrightwood, CA
12/11 9:31 am 35 39.8 117 37.5 2.3 3 mi. NE of Ridgecrest, CA
12/11 10:36 am 34 37.3 116 15.4 2.6 33 mi. N of Joshua Tree, CA
12/11 12:22 pm 36 32.9 117 55.3 2.0 8 mi. ESE of Lone Pine, CA
12/11 3:12 pm 34 40.9 116 17.5 2.2 37 mi. N of Joshua Tree, CA
12/11 3:34 pm 34 37.2 116 21.5 2.3 33 mi. N of Joshua Tree, CA
12/11 4:20 pm 34 26.9 116 15.0 2.7 21 mi. N of Joshua Tree, CA
12/11 5:23 pm 34 34.8 116 16.1 2.6 30 mi. N of Joshua Tree, CA
12/11 8:26 pm 34 41.4 116 18.7 2.0 38 mi. N of Joshua Tree, CA
12/11 10:02 pm 34 24.2 119 38.7 2.2 3 mi. ESE of downtown Santa Barbara, CA
12/11 10:08 pm 34 38.8 116 17.1 2.5 35 mi. N of Joshua Tree, CA
12/11 10:24 pm 34 35.8 116 19.1 2.1 31 mi. N of Joshua Tree, CA
12/12 12:20 am 34 40.4 116 19.2 2.1 37 mi. N of Joshua Tree, CA
12/12 1:52 am 34 14.5 117 4.0 2.5 3 mi. NE of Running Springs, CA
12/12 3:32 am 34 12.2 119 38.9 2.5 14 mi. NNW of Santa Cruz Is., CA
12/12 5:15 am 34 36.7 116 17.0 2.2 32 mi. N of Joshua Tree, CA
12/12 6:56 am 34 32.7 116 18.8 2.0 28 mi. N of Joshua Tree, CA
12/12 8:03 am 34 24.9 116 11.8 2.0 20 mi. NNE of Joshua Tree, CA
12/12 9:56 am 36 4.7 117 39.0 2.0 16 mi. E of Coso Junction, CA
12/12 11:24 am 34 48.5 117 27.3 2.0 17 mi. SE of Boron, CA
12/12 1:38 pm 34 34.5 116 14.1 2.0 30 mi. N of Joshua Tree, CA
12/12 1:54 pm 34 41.8 116 21.5 2.7 38 mi. N of Joshua Tree, CA
12/12 2:13 pm 34 41.8 116 21.5 2.3 38 mi. N of Joshua Tree, CA
12/12 7:50 pm 34 21.7 116 8.2 2.1 16 mi. NNW of Twentynine Palms, CA
12/12 8:32 pm 34 45.1 116 20.5 2.2 38 mi. SSW of Baker, CA
12/12 9:47 pm 34 23.3 116 8.8 3.4 18 mi. NNW of Twentynine Palms, CA
12/12 11:06 pm 33 10.0 115 36.2 2.1 1 mi. E of Obsidian Butte, CA
12/13 2:56 am 34 35.7 116 15.6 2.0 31 mi. N of Joshua Tree, CA
12/13 3:41 am 34 40.3 116 17.8 2.2 36 mi. N of Joshua Tree, CA
12/13 5:20 am 34 6.1 117 0.5 3.9 4 mi. NNE of Yucaipa, CA
FELT in the Inland Empire
12/13 5:22 am 34 6.1 116 59.7 2.1 5 mi. NNE of Yucaipa, CA
12/13 5:51 am 34 51.5 116 23.8 2.8 33 mi. SSW of Baker, CA
12/13 6:03 am 34 37.7 116 19.0 2.4 33 mi. N of Joshua Tree, CA
12/13 6:03 am 34 6.2 117 0.2 2.3 5 mi. NNE of Yucaipa, CA
12/13 6:21 am 34 5.8 117 0.1 2.0 4 mi. NNE of Yucaipa, CA
12/13 6:52 am 33 10.3 115 36.0 2.3 2 mi. E of Obsidian Butte, CA
12/13 6:53 am 33 10.1 115 40.8 2.2 2 mi. W of Obsidian Butte, CA
12/13 6:54 am 33 10.2 115 35.8 2.1 2 mi. E of Obsidian Butte, CA
12/13 7:58 am 34 49.2 116 21.8 2.2 34 mi. SSW of Baker, CA
12/13 8:16 am 34 15.1 116 25.7 2.7 9 mi. N of Yucca Valley, CA
12/13 9:31 am 34 1.4 116 48.9 2.0 5 mi. S of Mt. San Gorgonio, CA
12/13 10:49 am 34 51.8 116 18.8 2.1 30 mi. SSW of Baker, CA
12/13 11:37 am 34 51.3 116 20.4 2.3 32 mi. SSW of Baker, CA
12/13 1:21 pm 34 38.0 116 19.4 2.3 34 mi. N of Joshua Tree, CA
12/13 1:37 pm 34 32.2 116 18.9 2.3 27 mi. N of Joshua Tree, CA
12/13 2:26 pm 34 40.0 116 17.0 2.2 36 mi. N of Joshua Tree, CA
12/13 5:27 pm 34 28.8 116 15.4 2.3 23 mi. N of Joshua Tree, CA
12/13 6:20 pm 34 43.1 116 17.6 2.3 40 mi. N of Joshua Tree, CA
12/13 7:04 pm 34 36.4 116 14.0 2.0 32 mi. N of Joshua Tree, CA
12/13 7:30 pm 34 51.3 116 19.2 2.1 31 mi. SSW of Baker, CA
12/14 12:08 am 34 47.2 116 17.8 2.7 35 mi. SSW of Baker, CA
12/14 12:21 am 34 29.1 116 15.7 2.1 24 mi. N of Joshua Tree, CA
12/14 1:51 am 34 40.3 116 18.3 2.0 37 mi. N of Joshua Tree, CA
12/14 4:02 am 34 31.9 116 15.9 2.3 27 mi. N of Joshua Tree, CA
12/14 4:52 am 34 52.7 116 20.5 2.2 30 mi. SSW of Baker, CA
12/14 8:41 am 34 38.0 116 13.4 2.7 34 mi. N of Joshua Tree, CA
12/14 8:56 am 34 41.8 116 18.6 2.7 38 mi. N of Joshua Tree, CA
12/14 11:04 am 33 10.9 115 36.7 2.1 1 mi. ENE of Obsidian Butte, CA
12/14 11:25 am 34 31.0 116 16.8 2.5 26 mi. N of Joshua Tree, CA
12/14 12:56 pm 34 6.2 117 0.4 2.2 5 mi. NNE of Yucaipa, CA
12/14 2:43 pm 34 43.4 116 17.6 2.1 39 mi. SSW of Baker, CA
12/14 4:22 pm 34 24.3 116 9.6 2.6 19 mi. NNW of Twentynine Palms, CA
12/14 6:13 pm 33 58.2 116 57.2 2.8 3 mi. NNE of Beaumont, CA
12/14 6:59 pm 34 27.0 116 12.5 2.9 22 mi. NNE of Joshua Tree, CA
12/14 7:46 pm 34 51.4 116 23.4 3.1 33 mi. SSW of Baker, CA
12/14 10:29 pm 34 6.0 117 0.4 3.1 4 mi. NNE of Yucaipa, CA
12/14 10:51 pm 34 20.1 116 6.8 3.2 14 mi. NNW of Twentynine Palms, CA
12/14 10:52 pm 34 20.1 116 7.0 3.2 14 mi. NNW of Twentynine Palms, CA
12/15 12:21 am 34 49.0 116 17.4 2.3 33 mi. SSW of Baker, CA
12/15 3:38 am 34 43.9 116 29.6 2.3 32 mi. NE of Lucerne Valley, CA
12/15 5:18 am 34 52.1 116 23.9 2.0 33 mi. SW of Baker, CA
12/15 5:45 am 34 36.5 116 16.9 3.1 32 mi. N of Joshua Tree, CA
12/15 6:02 am 34 54.7 116 26.8 2.0 32 mi. SW of Baker, CA
12/15 10:30 am 34 27.1 116 15.1 2.6 22 mi. N of Joshua Tree, CA
12/15 3:13 pm 34 32.3 116 19.0 2.4 27 mi. N of Joshua Tree, CA
12/15 4:11 pm 34 47.8 116 17.5 2.4 34 mi. SSW of Baker, CA
12/15 7:24 pm 34 52.6 116 57.6 2.0 3 mi. ESE of Barstow, CA
12/16 12:04 am 34 39.2 116 17.2 2.0 35 mi. N of Joshua Tree, CA
12/16 12:10 am 33 36.9 116 26.6 2.1 8 mi. SSW of Palm Desert, CA
12/16 4:40 am 34 32.1 116 18.7 2.2 27 mi. N of Joshua Tree, CA
12/16 6:03 am 34 37.0 116 16.7 2.0 33 mi. N of Joshua Tree, CA
12/16 10:21 am 33 50.4 117 44.7 2.0 5 mi. SE of Yorba Linda, CA
12/16 12:16 pm 33 10.7 115 36.1 2.2 2 mi. ENE of Obsidian Butte, CA
12/16 2:29 pm 34 32.2 116 16.1 2.0 27 mi. N of Joshua Tree, CA
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