SCSN Earthquake Commentary

September 26, 2008

Weekly Seismicity Report – September 26, 2008

Filed under: Weekly — Anthony Guarino @ 10:15 am



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 

September 18, 2008

Weekly Seismicity Report – September 18, 2008

Filed under: Weekly — Anthony Guarino @ 4:15 pm



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 

%

September 11, 2008

Weekly Seismicity Report – 9/11/08

Filed under: Weekly — Anthony Guarino @ 5:17 pm



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 

September 5, 2008

ML4.6 earthquake in northern Baja

Filed under: Felt Earthquakes — kate @ 2:27 pm

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.

September 4, 2008

Weekly Seismicity Report – 9/4/08

Filed under: Weekly — Anthony Guarino @ 4:12 pm



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 

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