
Southern California Earthquakes in the Past Week
Anthony Guarino
Seismological Laboratory
Sue Hough U. S. Geological Survey
California Institute of Technology
September 25, 2008
This report covers the seven day period ending 17:00 on September 25, 2008. During this period we detected and analyzed 227 earthquakes.
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.
Mag. PST Date PST Time Lat. Long. Depth Descriptive location
-------------------------------------------------------------------------------------------
——————————————————————————————-
14393792 2.3 2008/09/18 19:08:32 34 1.8 N 116 19.1 W 9.3 12 km ( 7 mi) S of Joshua Tree, CA
14393824 3.1 2008/09/18 23:22:09 33 57.8 N 117 47.4 W 15.6 5 km ( 3 mi) SSE of Diamond Bar, CA
Felt in Diamond Bar, Yorba Linda, and surrounding area
14393868 2.7 2008/09/19 08:02:03 32 6.9 N 115 49.0 W 6.0 69 km (43 mi) SSW of Calexico, CA
14393876 2.4 2008/09/19 08:42:42 32 40.2 N 115 55.0 W 6.0 10 km ( 6 mi) SE of Ocotillo, CA
14393916 3.1 2008/09/19 14:38:28 32 55.3 N 115 52.7 W 7.0 23 km (15 mi) NNE of Ocotillo, CA
Felt in Ocotillo and surrounding area
14393944 2.4 2008/09/19 18:23:22 32 41.0 N 115 55.6 W 5.6 8 km ( 5 mi) SE of Ocotillo, CA
14393996 2.0 2008/09/20 04:23:13 32 21.3 N 115 15.2 W 5.6 42 km (26 mi) SSE of Calexico, CA
14394096 3.0 2008/09/20 20:09:38 32 33.6 N 118 46.4 W 27.5 49 km (31 mi) SW of San Clemente Is.
14394116 2.2 2008/09/20 23:00:47 32 41.1 N 115 55.7 W 4.2 8 km ( 5 mi) SE of Ocotillo, CA
14394368 2.4 2008/09/22 14:45:36 34 22.6 N 117 38.6 W 11.0 3 km ( 2 mi) NW of Wrightwood, CA
14394404 2.1 2008/09/22 21:27:04 34 45.1 N 116 18.2 W 8.9 61 km (38 mi) SSW of Baker, CA
14394420 2.3 2008/09/23 01:32:19 32 20.0 N 115 15.5 W 6.0 43 km (27 mi) SSE of Calexico, CA
14394476 2.7 2008/09/23 08:57:09 35 24.9 N 118 55.3 W 18.0 9 km ( 5 mi) ENE of Bakersfield, CA
14394576 2.9 2008/09/23 19:37:47 33 22.1 N 116 23.3 W 7.0 13 km ( 8 mi) N of Borrego Springs, CA
Felt at Borrego Springs and surrounding area
14394632 2.2 2008/09/24 02:45:59 35 59.5 N 117 57.4 W 6.2 6 km ( 4 mi) S of Coso Junction, CA
14394696 2.2 2008/09/24 11:57:31 34 26.7 N 118 0.3 W 7.9 18 km (11 mi) SSE of Palmdale, CA
14394724 2.1 2008/09/24 15:08:31 33 0.3 N 117 42.2 W 3.4 37 km (23 mi) SW of Oceanside, CA
14394748 2.3 2008/09/24 20:04:34 33 17.6 N 116 8.3 W 10.2 16 km (10 mi) W of Salton City, CA
14394908 2.3 2008/09/25 12:00:05 34 49.1 N 116 41.6 W 0.0 31 km (19 mi) ESE of Barstow, CA
Comments Off

Southern California Earthquakes in the Past Week
Anthony Guarino
Seismological Laboratory
Sue HoughU. S. Geological Survey
California Institute of Technology
September 18, 2008
This report covers the seven day period ending 17:00 on September 18, 2008. During this period we detected and analyzed 234 earthquakes.
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.
Mag. PST Date PST Time Lat. Long. Depth Descriptive location
-------------------------------------------------------------------------------------------
10348313 2.6 2008/09/11 17:19:44 34 37.1 N 116 15.9 W 2.9 54 km (33 mi) N of Joshua Tree, CA
10348341 2.1 2008/09/11 22:20:33 34 8.8 N 117 28.8 W 17.3 6 km ( 4 mi) NW of Fontana, CA
10348349 2.4 2008/09/11 23:50:51 34 27.1 N 119 30.9 W 12.9 6 km ( 4 mi) N of Carpinteria, CA
10348497 2.2 2008/09/12 17:56:11 32 41.0 N 115 55.8 W 3.6 8 km ( 5 mi) SE of Ocotillo, CA
10348565 3.2 2008/09/13 01:46:52 33 2.4 N 118 55.8 W 7.0 30 km (19 mi) W of San Clemente Is.
10348625 2.2 2008/09/13 08:09:17 34 29.0 N 116 15.5 W 3.8 39 km (24 mi) N of Joshua Tree, CA
10348745 2.5 2008/09/13 22:27:36 33 33.2 N 118 11.0 W 14.9 20 km (12 mi) SSE of Pt. Fermin San Pedro, CA
10348833 2.6 2008/09/14 08:02:47 34 31.4 N 118 52.2 W 16.2 15 km ( 9 mi) NNE of Fillmore, CA
10348837 2.8 2008/09/14 08:25:00 35 59.6 N 117 57.2 W 6.2 6 km ( 4 mi) S of Coso Junction, CA
10348861 2.3 2008/09/14 09:17:47 32 27.8 N 115 14.1 W 28.4 33 km (21 mi) SE of Calexico, CA
10348877 2.8 2008/09/14 09:43:14 34 9.9 N 117 28.5 W 12.1 7 km ( 5 mi) NNW of Fontana, CA
Felt at Fontana and in the surrounding area
10348981 2.8 2008/09/14 21:18:21 34 1.1 N 116 47.6 W 13.3 10 km ( 6 mi) SSE of Mt. San Gorgonio, CA
Felt near the epicenter
10349021 2.2 2008/09/15 05:17:10 35 6.8 N 116 35.1 W 5.5 38 km (24 mi) SE of Goldstone Lake, CA
10349213 2.3 2008/09/16 09:44:43 35 44.9 N 118 1.5 W 1.8 34 km (21 mi) SSW of Coso Junction, CA
10349229 2.3 2008/09/16 12:40:30 33 13.5 N 116 43.7 W 5.6 4 km ( 2 mi) ESE of Lake Henshaw, CA
10349369 2.3 2008/09/17 11:48:57 35 58.2 N 117 23.7 W 3.2 23 km (14 mi) N of Trona, CA
10349413 2.2 2008/09/17 15:07:58 32 41.4 N 115 49.0 W 11.7 17 km (11 mi) ESE of Ocotillo, CA
10349493 2.1 2008/09/17 23:43:47 34 42.2 N 116 17.2 W 3.1 63 km (39 mi) N of Joshua Tree, CA
12345815 2.3 2008/09/17 23:44:04 34 42.2 N 116 16.8 W 5.6 63 km (39 mi) N of Joshua Tree, CA
10349589 3.3 2008/09/18 10:32:09 35 11.3 N 119 25.8 W 19.3 6 km ( 3 mi) NNE of Taft, CA
Felt in Taft, Mettler, and Bakersfield
10349613 2.0 2008/09/18 12:13:26 35 10.6 N 119 26.5 W 19.8 4 km ( 2 mi) N of Taft, CA
%
Comments Off

Southern California Earthquakes in the Past Week
Anthony Guarino
, Seismological Laboratory
Sue HoughU. S. Geological Survey
California Institute of Technology
September 11, 2008
This report covers the seven day period ending 17:00 on September 11, 2008. During this period we detected and analyzed 238 earthquakes.
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.
Mag. PST Date PST Time Lat. Long. Depth Descriptive location
-------------------------------------------------------------------------------------------
10347253 4.6 2008/09/05 14:54:33 32 20.8 N 115 13.8 W 29.4 44 km (27 mi) SE of Calexico, CA
Felt near Calexico and through San Diego County
10347385 3.1 2008/09/06 10:27:41 34 22.3 N 117 39.9 W 7.2 4 km ( 3 mi) WNW of Wrightwood, CA
Felt in Wrightwood and surrounding area
10347481 2.4 2008/09/07 01:32:10 32 29.8 N 115 33.5 W 15.2 20 km (12 mi) SSW of Calexico, CA
10347529 2.0 2008/09/07 05:40:05 33 15.2 N 115 39.0 W 2.7 9 km ( 6 mi) N of Obsidian Butte, CA
10347781 2.0 2008/09/08 22:00:07 32 10.4 N 115 52.1 W 6.0 64 km (40 mi) S of Ocotillo, CA
10347869 2.4 2008/09/09 14:06:14 33 3.2 N 115 55.0 W 2.8 22 km (14 mi) ESE of Ocotillo Wells, CA
10347885 2.4 2008/09/09 14:20:12 33 3.1 N 115 55.1 W 2.4 22 km (14 mi) ESE of Ocotillo Wells, CA
10347889 2.1 2008/09/09 14:22:32 33 3.2 N 115 55.2 W 2.0 22 km (14 mi) ESE of Ocotillo Wells, CA
10347905 2.1 2008/09/09 15:18:16 33 41.0 N 116 47.3 W 14.9 10 km ( 6 mi) SW of Idyllwild, CA
10347961 2.0 2008/09/09 23:25:34 33 39.5 N 116 44.3 W 15.1 10 km ( 6 mi) SSW of Idyllwild, CA
10348029 3.0 2008/09/10 05:46:30 33 40.8 N 116 47.7 W 18.7 10 km ( 6 mi) SW of Idyllwild, CA
Felt in Idyllwild and surrounding area
10348033 2.6 2008/09/10 05:46:53 33 40.9 N 116 47.6 W 18.8 10 km ( 6 mi) SW of Idyllwild, CA
10348121 2.1 2008/09/10 14:08:37 32 3.0 N 116 53.4 W 6.0 58 km (36 mi) SSE of San Ysidro, CA
10348237 3.4 2008/09/11 07:52:26 32 41.7 N 116 4.0 W 10.1 8 km ( 5 mi) WSW of Ocotillo, CA
Felt in Ocotillo
10348261 2.0 2008/09/11 11:32:52 36 8.3 N 117 54.8 W 3.4 11 km ( 7 mi) NNE of Coso Junction, CA
Comments Off
At 2:54 pm today, there was an ML4.6 earthquake in northern Baja, Mexico, located 26 miles southeast of Calexico. It has been reported felt in Yuma AZ & in the Imperial Valley. The preliminary focal mechanism shows normal faulting.
Comments Off

Southern California Earthquakes in the Past Week
Anthony Guarino
Seismological Laboratory
Sue HoughU. S. Geological Survey
California Institute of Technology
September 04, 2008
This report covers the seven day period ending 17:00 on September 04, 2008. During this period we detected and analyzed 195 earthquakes.
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.
Mag. PST Date PST Time Lat. Long. Depth Descriptive location
-------------------------------------------------------------------------------------------
10346113 2.4 2008/08/28 18:19:57 32 1.9 N 115 42.9 W 0.4 74 km (46 mi) SSW of Calexico, CA
10346133 2.4 2008/08/28 22:59:24 32 40.4 N 115 55.3 W 6.0 10 km ( 6 mi) SE of Ocotillo, CA
10346233 2.4 2008/08/29 11:21:42 34 16.2 N 116 57.6 W 9.7 5 km ( 3 mi) WNW of town of Big Bear Lake, CA
10346285 2.3 2008/08/29 14:54:20 35 33.7 N 118 20.2 W 4.7 14 km ( 9 mi) SE of town of Lake Isabella, CA
10346365 2.3 2008/08/30 04:23:47 34 17.4 N 116 27.1 W 5.6 19 km (12 mi) N of Yucca Valley, CA
10346449 2.2 2008/08/30 12:31:31 33 54.5 N 117 40.0 W 9.7 10 km ( 6 mi) WNW of Corona, CA
10346469 2.4 2008/08/30 16:44:19 33 51.3 N 117 47.5 W 8.3 4 km ( 3 mi) SSE of Yorba Linda, CA
Felt in Yorba Linda and surrounding area
10346597 2.4 2008/08/31 21:45:34 33 3.7 N 116 0.0 W 5.7 15 km ( 9 mi) SE of Ocotillo Wells, CA
10346673 2.3 2008/09/01 09:13:00 35 44.4 N 117 40.7 W 8.0 13 km ( 8 mi) N of Ridgecrest, CA
10346697 3.0 2008/09/01 11:39:45 33 9.7 N 115 57.5 W 6.7 13 km ( 8 mi) S of Salton City, CA
Felt in Salton City and surrounding area
10346885 2.1 2008/09/03 08:20:10 32 56.5 N 117 45.3 W 6.0 45 km (28 mi) SW of Oceanside, CA
10346905 3.3 2008/09/03 11:04:01 33 11.4 N 115 34.0 W 2.5 7 km ( 4 mi) ENE of Obsidian Butte, CA
10347017 2.4 2008/09/04 01:02:48 34 26.9 N 119 31.4 W 16.6 6 km ( 4 mi) N of Carpinteria, CA
10347025 3.3 2008/09/04 01:42:03 34 0.3 N 117 7.1 W 13.1 8 km ( 5 mi) SE of Redlands, CA
Felt in Riverside, Orange, and San Bernardino Counties
10347049 2.6 2008/09/04 04:03:39 33 3.8 N 116 0.1 W 12.3 15 km ( 9 mi) SE of Ocotillo Wells, CA
10347065 2.1 2008/09/04 05:58:46 32 19.2 N 116 22.5 W 1.8 58 km (36 mi) SW of Ocotillo, CA
10347081 2.3 2008/09/04 08:23:34 33 30.1 N 116 30.8 W 13.0 16 km (10 mi) ESE of Anza, CA
Comments Off