SCSN Earthquake Commentary

January 26, 2012

Weekly Seismicity Report – January 26th, 2012

Filed under: Weekly — Anthony Guarino @ 4:28 pm



Southern California Earthquakes in the Past Week

Anthony Guarino
Seismological Laboratory


Lucy Jones U. S. Geological Survey

California Institute of Technology

January 26, 2012

This report covers the seven day period ending 16:00 on January 26, 2012. During this period we detected and analyzed 225 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
-------------------------------------------------------------------------------------------
11056317  2.6  2012/01/19 16:43:49 36  2.0 N 117 46.6 W  1.8   16 km (10 mi)  E of Coso Junction, CA
11056397  2.0  2012/01/19 21:14:13 34  4.2 N 116 41.4 W 11.5   10 km ( 6 mi)  WNW  of Morongo Valley, CA
11056405  2.1  2012/01/19 21:29:05 33 43.8 N 116  3.2 W  7.8   15 km ( 9 mi)  E of Indio, CA
11056469  2.6  2012/01/20 02:03:53 32 12.2 N 115  9.5 W 10.0   60 km (38 mi)  SSE  of Calexico, CA
11056517  2.8  2012/01/20 05:27:58 32 33.4 N 115 39.8 W  5.6   20 km (12 mi)  SW of Calexico, CA
11056573  2.4  2012/01/20 07:24:39 34 16.0 N 116 27.0 W  1.8   16 km (10 mi)  N of Yucca Valley, CA
11056965  2.5  2012/01/21 09:41:36 34 30.5 N 118 50.1 W 16.3   14 km ( 9 mi)  NNE  of Fillmore, CA
11056981  2.2  2012/01/21 10:42:22 32 13.1 N 115 15.4 W 15.0   55 km (34 mi)  SSE  of Calexico, CA
11056989  2.3  2012/01/21 10:51:28 34  0.8 N 119 12.9 W  3.1   15 km ( 9 mi)  S of Port Hueneme, CA
11057213  2.2  2012/01/22 07:24:23 33 14.7 N 116 25.3 W  4.0    5 km ( 3 mi)  WSW  of Borrego Springs, CA
11057333  2.3  2012/01/22 17:05:42 32  9.9 N 115 13.9 W 10.0   61 km (38 mi)  SSE  of Calexico, CA
11057541  2.1  2012/01/23 16:06:40 35 46.8 N 117 40.0 W  7.1   18 km (11 mi)  N of Ridgecrest, CA 
11058045  2.6  2012/01/25 07:48:45 33  1.3 N 115 31.8 W  0.7    7 km ( 4 mi)  N of Brawley, CA 
11058077  2.4  2012/01/25 08:58:41 33  1.0 N 115 31.9 W  0.2    6 km ( 4 mi)  N of Brawley, CA
11058197  2.3  2012/01/25 11:04:00 32 33.8 N 115 39.7 W  2.7   19 km (12 mi)  SW of Calexico, CA
11058205  2.3  2012/01/25 11:07:53 32 20.1 N 115 25.0 W 13.8   38 km (23 mi)  S of Calexico, CA
15101596  2.1  2012/01/26 03:39:11 35 32.5 N 118 24.4 W  5.6   12 km ( 7 mi)  SSE  of town of Lake Isabella, CA
15101628  2.3  2012/01/26 06:03:28 36 13.5 N 118 19.3 W  5.6   29 km (18 mi)  WSW  of Olancha, CA
15101636  2.8  2012/01/26 06:11:59 36 13.4 N 118 19.2 W  4.5   29 km (18 mi)  WSW  of Olancha, CA
15101652  2.3  2012/01/26 08:13:49 32 39.0 N 115 42.2 W  7.9   20 km (12 mi)  W of Calexico, CA
15101692  2.9  2012/01/26 09:09:21 36 13.0 N 118 18.7 W  0.0   28 km (18 mi)  WSW  of Olancha, CA
15101884  2.0  2012/01/26 15:19:14 33  0.5 N 116 15.6 W  9.6   19 km (12 mi)  SW of Ocotillo Wells, CA 

January 20, 2012

Weekly Seismicity Report – January 19th, 2012

Filed under: Weekly — Anthony Guarino @ 9:04 am



Southern California Earthquakes in the Past Week

Anthony Guarino
Seismological Laboratory


Lucy JonesU. S. Geological Survey

California Institute of Technology

January 19, 2012

This report covers the seven day period ending 16:00 on January 19/2012. During this period we detected and analysed 259 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
-------------------------------------------------------------------------------------------
11053349  2.2  2012/01/12 20:35:49 34 22.4 N 116 57.1 W  1.7    8 km ( 5 mi)  S of Lucerne Valley, CA
11053397  2.2  2012/01/13 00:24:16 35  3.6 N 119  4.3 W 21.1   13 km ( 8 mi)  WNW  of Wheeler Ridge, CA
11053549  2.7  2012/01/13 07:49:34 34 20.4 N 118 27.3 W  5.9    6 km ( 4 mi)  NNW  of San Fernando, CA
11053557  2.7  2012/01/13 07:50:00 34 20.6 N 118 28.0 W  5.2    7 km ( 4 mi)  SE of Newhall, CA
11053789  2.4  2012/01/13 13:22:16 34 15.9 N 116 27.0 W  1.0   16 km (10 mi)  N of Yucca Valley, CA
15097156  2.0  2012/01/14 02:47:54 33  2.0 N 116 26.5 W  5.6   16 km (10 mi)  ESE  of Julian, CA
15097364  2.1  2012/01/14 16:05:44 34 15.7 N 116 26.8 W  0.9   16 km (10 mi)  N of Yucca Valley, CA
15097500  3.2  2012/01/14 21:50:39 32 36.9 N 115 45.0 W  3.3   24 km (15 mi)  WSW  of Calexico, CA
15097508  2.3  2012/01/14 22:46:37 32 11.4 N 115 14.2 W 19.0   58 km (36 mi)  SSE  of Calexico, CA
15097532  2.7  2012/01/15 00:44:04 32 14.3 N 115 15.1 W 10.0   53 km (33 mi)  SSE  of Calexico, CA
15097620  2.0  2012/01/15 08:37:10 32 30.2 N 115 38.1 W 18.1   22 km (14 mi)  SW of Calexico, CA
15097668  2.0  2012/01/15 11:05:13 32 24.7 N 115 23.1 W 10.0   30 km (19 mi)  SSE  of Calexico, CA
15098244  2.3  2012/01/17 09:23:10 34 26.6 N 119 50.8 W 10.2    2 km ( 1 mi)  WNW  of Goleta, CA
15098316  2.2  2012/01/17 11:26:02 32 34.4 N 115 41.2 W  3.6   21 km (13 mi)  WSW  of Calexico, CA
15098380  2.2  2012/01/17 13:18:50 32 15.1 N 115 16.9 W  9.0   50 km (31 mi)  SSE  of Calexico, CA
15098516  2.4  2012/01/17 17:55:26 32 35.5 N 115 40.8 W  5.6   19 km (12 mi)  WSW  of Calexico, CA
15098548  2.3  2012/01/17 20:36:30 32 12.9 N 115 18.2 W 10.0   54 km (33 mi)  SSE  of Calexico, CA
15098580  2.2  2012/01/17 23:05:58 32 28.5 N 115 32.0 W  3.8   22 km (14 mi)  S of Calexico, CA
15098716  4.2  2012/01/18 05:31:42 32 27.7 N 115 15.6 W  1.6   32 km (20 mi)  SE of Calexico, CA
Felt in San Diego and surrounding area
15099044  2.5  2012/01/18 17:31:19 32  9.8 N 115  7.5 W 10.0   66 km (41 mi)  SSE  of Calexico, CA
15099108  2.0  2012/01/18 22:07:31 33  8.4 N 115 51.3 W  5.0   18 km (11 mi)  SSE  of Salton City, CA
15099196  2.3  2012/01/19 07:00:58 32 12.0 N 117 36.5 W 10.0   66 km (41 mi)  SW of San Ysidro, CA 

January 12, 2012

Weekly Seismicity Report – January 12, 2012

Filed under: Weekly — Anthony Guarino @ 5:15 pm



Southern California Earthquakes in the Past Week

Anthony Guarino
Seismological Laboratory


Lucy JonesU. S. Geological Survey

California Institute of Technology

January 12, 2012

This report covers the seven day period ending 16:00 on January 12, 2012. During this period we detected and analyzed 308 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
-------------------------------------------------------------------------------------------
11050157  3.0  2012/01/05 18:14:08 34 23.9 N 119 48.8 W 14.1    4 km ( 2 mi)  ESE  of Isla Vista, CA 
11050165  3.1  2012/01/05 18:47:51 34  0.1 N 116 20.2 W  4.9   15 km ( 9 mi)  S of Joshua Tree, CA 
11050237  2.7  2012/01/05 22:26:53 36  5.5 N 117 47.2 W  6.7   15 km (10 mi)  ENE  of Coso Junction, CA
11050245  3.3  2012/01/05 22:50:10 36  0.1 N 117 54.5 W  6.3    6 km ( 4 mi)  SE of Coso Junction, CA
11050509  2.2  2012/01/06 06:55:25 35 59.8 N 117 54.3 W  6.0    7 km ( 4 mi)  SE of Coso Junction, CA
11050541  3.5  2012/01/06 08:58:54 33 43.8 N 116  3.3 W  4.8   15 km ( 9 mi)  E of Indio, CA 
11050597  2.4  2012/01/06 10:14:37 35 39.0 N 117 40.0 W  6.6    3 km ( 2 mi)  N of Ridgecrest, CA
11050765  2.7  2012/01/06 14:39:13 33 43.8 N 116  3.5 W  5.2   15 km ( 9 mi)  E of Indio, CA
11051013  2.6  2012/01/07 09:00:56 33  2.5 N 117 52.9 W 16.0   49 km (31 mi)  SSW  of San Clemente, CA
11051141  2.3  2012/01/07 15:02:21 35 39.1 N 117 39.8 W  3.7    3 km ( 2 mi)  N of Ridgecrest, CA
11051197  3.5  2012/01/07 17:59:54 33 44.0 N 116  3.4 W  6.7   15 km ( 9 mi)  E of Indio, CA 
11051221  2.0  2012/01/07 18:36:24 33  5.5 N 115 35.7 W  5.9    7 km ( 4 mi)  NNE  of Westmorland, CA
11051309  2.2  2012/01/07 20:23:11 36 14.0 N 117 53.8 W  1.8   11 km ( 7 mi)  ESE  of Olancha, CA
11051349  2.2  2012/01/07 22:06:32 35 59.9 N 117 54.4 W  5.7    6 km ( 4 mi)  SE of Coso Junction, CA
11051373  3.1  2012/01/08 01:19:59 32  7.4 N 115 15.3 W 10.0   65 km (40 mi)  SSE  of Calexico, CA
11051397  2.2  2012/01/08 02:42:33 33 43.8 N 116  3.4 W  5.6   15 km ( 9 mi)  E of Indio, CA
11051453  2.8  2012/01/08 11:15:02 33 34.0 N 118 19.5 W  2.9   16 km (10 mi)  S of Pt. Fermin San Pedro, CA
11051613  2.1  2012/01/08 22:24:33 34 16.6 N 119 40.3 W  0.6   16 km (10 mi)  S of Santa Barbara, CA
11051821  2.3  2012/01/09 10:27:38 32 15.0 N 115 14.3 W 10.0   52 km (32 mi)  SSE  of Calexico, CA
11051941  2.3  2012/01/09 15:52:17 32 16.5 N 115 15.4 W  2.9   49 km (30 mi)  SSE  of Calexico, CA
11052189  2.5  2012/01/10 06:19:00 33  2.7 N 117 53.1 W  7.5   49 km (30 mi)  SSW  of Dana Point, CA
11052261  2.2  2012/01/10 10:21:44 34 15.9 N 116 26.9 W  0.9   16 km (10 mi)  N of Yucca Valley, CA
11052269  2.1  2012/01/10 10:21:45 34 15.9 N 116 26.9 W  1.6   16 km (10 mi)  N of Yucca Valley, CA
11052365  2.1  2012/01/10 12:39:21 34 20.5 N 118 28.1 W  5.2    7 km ( 4 mi)  SE of Newhall, CA 
11052653  2.4  2012/01/11 02:29:10 33 38.6 N 119 22.9 W 25.8   35 km (22 mi)  WNW  of Santa Barbara Is., CA
11052661  2.6  2012/01/11 02:58:10 32 13.4 N 115 13.9 W  0.1   55 km (34 mi)  SSE  of Calexico, CA
11052957  2.2  2012/01/11 22:36:20 32 18.8 N 115 20.2 W 16.0   42 km (26 mi)  SSE  of Calexico, CA
11053213  2.3  2012/01/12 13:12:12 32 34.6 N 115 41.7 W  5.6   21 km (13 mi)  WSW  of Calexico, CA 

January 5, 2012

Weekly Seismicity Report – January 5th, 2012

Filed under: Weekly — Anthony Guarino @ 4:21 pm



Southern California Earthquakes in the Past Week

Anthony Guarino
Seismological Laboratory


Lucy JonesU. S. Geological Survey

California Institute of Technology

January 05, 2012

This report covers the seven day period ending 16:00 on January 05, 2012. During this period we detected and analyzed 237 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
-------------------------------------------------------------------------------------------
11047781  2.0  2011/12/29 18:46:42 34 45.2 N 116 26.4 W  5.2   55 km (34 mi)  ESE  of Barstow, CA
11047821  2.1  2011/12/29 21:25:22 32 44.0 N 115 49.0 W  8.3   16 km (10 mi)  E of Ocotillo, CA
11047901  2.8  2011/12/30 04:59:52 32 11.3 N 115 15.9 W 20.9   58 km (36 mi)  SSE  of Calexico, CA
11047933  4.3  2011/12/30 07:34:29 32  8.5 N 115 17.8 W 10.0   62 km (38 mi)  SSE  of Calexico, CA 
11047941  3.1  2011/12/30 07:50:12 32  8.1 N 115 15.3 W 10.0   64 km (39 mi)  SSE  of Calexico, CA
11047949  2.8  2011/12/30 07:55:54 32 11.5 N 115 16.0 W 10.0   57 km (36 mi)  SSE  of Calexico, CA
11047973  2.7  2011/12/30 08:32:44 32 13.7 N 115 15.8 W 10.0   54 km (33 mi)  SSE  of Calexico, CA
11048085  2.1  2011/12/30 17:07:27 32 48.0 N 116  8.2 W 11.7   15 km (10 mi)  WNW  of Ocotillo, CA
11048165  2.2  2011/12/30 23:26:54 32 14.6 N 115 16.5 W  4.0   52 km (32 mi)  SSE  of Calexico, CA
11048237  3.2  2011/12/31 11:14:44 32 12.5 N 115 20.2 W 10.0   53 km (33 mi)  SSE  of Calexico, CA
11048381  2.2  2012/01/01 00:53:49 33 59.8 N 116 54.0 W  7.4    8 km ( 5 mi)  NNW  of Banning, CA
11048629  2.1  2012/01/01 15:26:02 34 43.3 N 119 18.7 W  0.1   31 km (19 mi)  N of Ojai, CA 
11048717  2.4  2012/01/01 19:09:12 33 57.1 N 116 45.9 W 18.6    4 km ( 2 mi)  NNE  of Cabazon, CA
11048749  2.1  2012/01/01 22:36:27 33 30.3 N 118 11.7 W  5.8   21 km (13 mi)  NNE  of Avalon Catalina Island, CA
11048893  2.0  2012/01/02 03:18:05 35 56.6 N 117 38.6 W  2.5   30 km (18 mi)  ESE  of Coso Junction, CA
11049125  2.5  2012/01/02 17:30:57 32  4.9 N 115 14.7 W 10.0   69 km (43 mi)  SSE  of Calexico, CA
11049173  2.0  2012/01/02 19:16:33 34  4.3 N 117 28.7 W 13.0    6 km ( 3 mi)  SW of Fontana, CA
11049181  2.1  2012/01/02 19:29:06 33 30.4 N 118 12.9 W  5.6   21 km (13 mi)  NNE  of Avalon Catalina Island, CA
11049285  4.1  2012/01/03 06:18:56 33 11.7 N 119 27.0 W 18.4    7 km ( 4 mi)  SE of San Nicolas Is., CA 
11049389  2.0  2012/01/03 19:53:40 33 59.5 N 116 58.6 W 10.9    7 km ( 4 mi)  SE of Yucaipa, CA
11049437  2.5  2012/01/03 22:47:22 32 14.2 N 115 16.0 W 17.1   52 km (33 mi)  SSE  of Calexico, CA
11049557  2.1  2012/01/04 10:25:42 33 14.5 N 116 25.2 W  3.7    5 km ( 3 mi)  WSW  of Borrego Springs, CA
11049573  2.0  2012/01/04 10:30:58 32 53.6 N 116 14.1 W  5.4   29 km (18 mi)  NW of Ocotillo, CA
11049741  2.4  2012/01/04 16:37:11 35 51.6 N 117 59.5 W  2.7   21 km (13 mi)  S of Coso Junction, CA
11049901  2.6  2012/01/05 01:00:03 34 11.6 N 117  3.7 W  2.1    4 km ( 3 mi)  ESE  of Running Springs, CA 

December 29, 2011

Weekly Seismicity Report – December 29th, 2011

Filed under: Weekly — Anthony Guarino @ 4:14 pm



Southern California Earthquakes in the Past Week

Anthony Guarino
Seismological Laboratory


Lucy JonesU. S. Geological Survey

California Institute of Technology

December 29, 2011

This report covers the seven day period ending 16:00 on December 29, 2011. During this period we detected and analyzed 193 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
-------------------------------------------------------------------------------------------
11045837  2.1  2011/12/23 00:20:47 32 59.7 N 115 32.5 W 14.9    4 km ( 2 mi)  N of Brawley, CA
11045893  2.8  2011/12/23 02:33:27 33 19.6 N 116 17.1 W 10.6   12 km ( 7 mi)  NE of Borrego Springs, CA
11045909  2.2  2011/12/23 03:03:09 32 48.1 N 116  8.3 W 11.4   16 km (10 mi)  WNW  of Ocotillo, CA
11046037  2.0  2011/12/23 16:40:02 33 41.7 N 118 17.5 W  5.3    1 km ( 1 mi)  SSE  of Pt. Fermin San Pedro, CA
11046557  2.2  2011/12/26 01:09:49 36 13.8 N 118 19.2 W  5.6   29 km (18 mi)  WSW  of Olancha, CA
11046581  2.0  2011/12/26 02:41:07 32 53.3 N 116 14.5 W  6.9   29 km (18 mi)  NW of Ocotillo, CA
11046613  3.2  2011/12/26 04:32:20 34  0.4 N 116 19.4 W 10.2   14 km ( 9 mi)  S of Joshua Tree, CA
11046653  2.6  2011/12/26 07:58:37 34 42.9 N 121 35.2 W 15.0   86 km (54 mi)  WSW  of Pt. Sal, CA
11046685  2.5  2011/12/26 11:27:33 34 19.5 N 116 27.8 W  4.7   23 km (14 mi)  N of Yucca Valley, CA
11047221  2.3  2011/12/27 20:02:37 34 17.3 N 116 58.2 W  8.3    8 km ( 5 mi)  NW of town of Big Bear Lake, CA
11047285  2.9  2011/12/27 22:59:14 32 39.7 N 115 54.9 W  8.5   11 km ( 7 mi)  SE of Ocotillo, CA
11047333  2.1  2011/12/28 06:00:35 32 35.9 N 115 42.3 W  9.8   21 km (13 mi)  WSW  of Calexico, CA
11047373  2.2  2011/12/28 09:57:28 34  9.3 N 117 41.2 W  5.1    6 km ( 4 mi)  NNW  of Upland, CA
11047381  2.1  2011/12/28 10:14:34 35  6.7 N 116 36.2 W  4.0   37 km (23 mi)  SE of Goldstone Lake, CA
11047469  2.4  2011/12/28 17:12:03 33 37.1 N 116 43.8 W 16.6    9 km ( 6 mi)  NW of Anza, CA
11047653  2.8  2011/12/29 11:19:54 32  8.1 N 115 15.8 W 22.4   63 km (39 mi)  SSE  of Calexico, CA
11047709  2.4  2011/12/29 14:54:11 33 58.1 N 116 44.6 W 18.8    6 km ( 4 mi)  NE of Cabazon, CA 

December 22, 2011

Weekly Seismicity Report – December 22nd, 2011

Filed under: Weekly — Anthony Guarino @ 4:07 pm



Southern California Earthquakes in the Past Week

Anthony Guarino
Seismological Laboratory


Lucy JonesU. S. Geological Survey

California Institute of Technology

December 22, 2011

This report covers the seven day period ending 16:00 on December 22, 2011. 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
-------------------------------------------------------------------------------------------
15086940  2.2  2011/12/16 02:32:00 36 13.6 N 118 19.1 W  5.7   29 km (18 mi)  WSW  of Olancha, CA
15086956  2.4  2011/12/16 03:00:29 34  3.3 N 116 21.3 W 11.5   10 km ( 6 mi)  SSW  of Joshua Tree, CA
15087156  2.5  2011/12/16 22:09:23 33 47.4 N 116 42.4 W 18.4    5 km ( 3 mi)  N of Idyllwild, CA
15087500  2.0  2011/12/17 19:01:29 32 22.0 N 115 31.2 W 10.0   34 km (21 mi)  S of Calexico, CA
15088052  3.5  2011/12/20 00:32:23 34  0.6 N 117 35.3 W  4.4    8 km ( 5 mi)  SE of Ontario, CA
15088100  2.3  2011/12/20 03:17:18 32 16.0 N 115 24.6 W  6.3   45 km (28 mi)  S of Calexico, CA
15088180  2.1  2011/12/20 07:10:50 32 24.6 N 115 32.6 W 16.0   29 km (18 mi)  S of Calexico, CA
15088324  2.6  2011/12/20 12:42:36 32 31.0 N 115 38.9 W  5.8   22 km (14 mi)  SW of Calexico, CA 
11045309  2.4  2011/12/21 09:06:22 33 58.7 N 118 24.8 W 11.2    3 km ( 2 mi)  SSW  of Culver City, CA 
11045325  2.6  2011/12/21 09:57:59 32 15.6 N 115 21.4 W 10.0   47 km (29 mi)  SSE  of Calexico, CA
11045461  2.2  2011/12/21 16:22:32 33 31.1 N 116 30.6 W 15.3   16 km (10 mi)  ESE  of Anza, CA
11045501  2.0  2011/12/21 18:27:05 33 54.3 N 117 47.6 W 12.0    3 km ( 2 mi)  NE of Yorba Linda, CA 

December 15, 2011

Weekly Seismicity Report – December 15th, 2011

Filed under: Weekly — Anthony Guarino @ 4:18 pm



Southern California Earthquakes in the Past Week

Anthony Guarino
Seismological Laboratory


Lucy JonesU. S. Geological Survey

California Institute of Technology

December 15, 2011

This report covers the seven day period ending 16:00 on December 15, 2011. During this period we detected and analyzed 231 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
-------------------------------------------------------------------------------------------
15084260  2.5  2011/12/08 16:52:07 36 13.7 N 118 19.6 W  5.9   29 km (18 mi)  WSW  of Olancha, CA
15084332  2.3  2011/12/08 21:26:32 32  0.8 N 116 36.0 W 16.2   73 km (45 mi)  SE of San Ysidro, CA
15084420  2.6  2011/12/09 05:26:11 33 52.0 N 120 17.5 W  5.6   19 km (12 mi)  WSW  of Santa Rosa Is., CA
15084540  2.0  2011/12/09 14:08:23 32 24.8 N 115 31.1 W  6.7   28 km (18 mi)  S of Calexico, CA
15084692  2.1  2011/12/10 01:02:24 32 53.7 N 116 14.9 W  5.5   30 km (18 mi)  NW of Ocotillo, CA
15084892  2.5  2011/12/10 13:51:41 32 10.1 N 115 14.2 W 13.8   61 km (38 mi)  SSE  of Calexico, CA
15085076  2.2  2011/12/11 06:12:35 32 14.7 N 115 20.0 W 10.0   49 km (31 mi)  SSE  of Calexico, CA
15085220  2.6  2011/12/11 16:24:37 34  2.3 N 117  5.2 W  6.4    5 km ( 3 mi)  W of Yucaipa, CA 
15085252  2.8  2011/12/11 18:09:38 32 59.6 N 116 20.1 W  5.0   25 km (16 mi)  SW of Ocotillo Wells, CA
15085332  2.6  2011/12/11 22:52:34 32  5.4 N 115 17.6 W 12.0   67 km (42 mi)  SSE  of Calexico, CA
15085364  2.2  2011/12/12 00:57:05 32  3.0 N 115  5.9 W 15.3   78 km (49 mi)  SSE  of Calexico, CA
15085380  2.6  2011/12/12 02:15:23 32 10.0 N 115 17.1 W 11.5   59 km (37 mi)  SSE  of Calexico, CA
15085388  3.1  2011/12/12 02:20:39 32  7.4 N 115 17.8 W 11.8   63 km (39 mi)  SSE  of Calexico, CA
15085404  2.2  2011/12/12 04:59:36 32 18.7 N 115 18.6 W  4.4   43 km (27 mi)  SSE  of Calexico, CA
15085492  2.1  2011/12/12 13:29:39 32 39.5 N 115 56.7 W  7.1   10 km ( 6 mi)  SSE  of Ocotillo, CA
15085516  2.2  2011/12/12 15:15:03 32 48.0 N 116  9.0 W  5.6   16 km (10 mi)  WNW  of Ocotillo, CA
15085980  2.4  2011/12/13 23:50:03 34 15.3 N 116 25.5 W  1.5   15 km ( 9 mi)  N of Yucca Valley, CA 
15086588  2.4  2011/12/15 06:45:44 32 53.8 N 116 14.8 W  6.2   29 km (18 mi)  SSW  of Ocotillo Wells, CA
15086612  2.2  2011/12/15 08:33:53 32 53.9 N 116 14.9 W  6.0   29 km (18 mi)  SSW  of Ocotillo Wells, CA
15086628  2.0  2011/12/15 09:50:02 33  0.0 N 116 20.8 W 10.1   25 km (16 mi)  ESE  of Julian, CA 

December 8, 2011

Weekly Seismicity Report – December 8, 2011

Filed under: Felt Earthquakes, Weekly — nick @ 4:14 pm



Southern California Earthquakes in the Past Week

Nick Scheckel
Seismological Laboratory


Lucy Jones, U. S. Geological Survey

California Institute of Technology

December 08, 2011

This report covers the seven day period ending 16:00 on December 08, 2011. During this period we detected and analyzed 218 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. For information on felt events, click on the underlined entries.

          Mag. PST Date   PST Time  Lat.       Long.    Depth  Descriptive location
-------------------------------------------------------------------------------------------
15081692  2.4  2011/12/01 17:42:59 34 20.0 N 119 12.0 W 11.7   11 km ( 7 mi)  ENE  of Ventura, CA
15081764  2.3  2011/12/01 20:41:49 35 30.0 N 118 24.2 W  3.1   16 km (10 mi)  SSE  of town of Lake Isabella, CA
15081772  2.3  2011/12/01 20:53:18 32 12.4 N 115 15.6 W 10.0   56 km (35 mi)  SSE  of Calexico, CA
15081876  2.5  2011/12/02 02:43:07 35 29.9 N 118 23.4 W  2.0   17 km (11 mi)  SSE  of town of Lake Isabella, CA
15081996  3.2  2011/12/02 10:12:21 32  5.7 N 115 11.1 W 10.0   70 km (44 mi)  SSE  of Calexico, CA
15082188  2.8  2011/12/03 00:36:55 33 52.3 N 119 18.1 W  6.8   27 km (17 mi)  SE of Santa Cruz Is.
15082228  2.2  2011/12/03 02:47:33 34 10.2 N 117 36.3 W  6.9    7 km ( 4 mi)  N of Rancho Cucamonga, CA
15082316  2.8  2011/12/03 10:14:29 32  9.7 N 115 10.9 W  4.2   64 km (39 mi)  SSE  of Calexico, CA
15082364  2.3  2011/12/03 14:56:27 32  1.5 N 115 11.4 W  5.6   77 km (48 mi)  SSE  of Calexico, CA
15082548  2.2  2011/12/04 12:26:42 34  2.7 N 117 26.9 W  2.0    7 km ( 4 mi)  S of Fontana, CA 
15082556  2.0  2011/12/04 12:27:18 34  3.0 N 117 26.6 W  1.9    6 km ( 4 mi)  S of Fontana, CA 
15082628  2.3  2011/12/04 20:38:33 33 26.7 N 116 24.7 W 13.2   22 km (13 mi)  N of Borrego Springs, CA
15082684  2.3  2011/12/05 01:35:43 32 40.2 N 115 50.5 W  6.5   16 km (10 mi)  ESE  of Ocotillo, CA
15082748  2.3  2011/12/05 06:34:43 34  2.3 N 116 26.4 W 10.4    9 km ( 5 mi)  S of Yucca Valley, CA
15082884  2.7  2011/12/05 14:24:37 32 19.2 N 115 20.0 W 10.0   42 km (26 mi)  SSE  of Calexico, CA
15083060  2.3  2011/12/05 22:28:03 33 46.0 N 118  5.1 W 17.1    3 km ( 2 mi)  NNE  of Seal Beach, CA
15083084  2.7  2011/12/05 23:48:54 32 40.7 N 115 54.3 W  4.9   10 km ( 6 mi)  SE of Ocotillo, CA
15083212  2.4  2011/12/06 04:50:26 34 43.9 N 116 17.8 W  5.5   63 km (39 mi)  SSW  of Baker, CA
15083244  2.2  2011/12/06 06:46:45 32 39.8 N 115 48.8 W  5.1   19 km (12 mi)  ESE  of Ocotillo, CA
15083276  2.3  2011/12/06 08:08:33 36 19.4 N 118 21.0 W  4.2   29 km (18 mi)  S of Mt. Whitney, CA
15083404  2.6  2011/12/06 12:52:57 36 13.7 N 118 19.3 W  5.6   29 km (18 mi)  WSW  of Olancha, CA
15083980  2.3  2011/12/07 22:08:26 32  7.4 N 115  5.6 W 10.0   71 km (44 mi)  SSE  of Calexico, CA
15083988  2.7  2011/12/07 22:33:47 33 54.6 N 118 20.3 W 16.2    1 km ( 1 mi)  SE of Hawthorne, CA

December 1, 2011

Weekly Seismicity Report – December 1st, 2011

Filed under: Weekly — Anthony Guarino @ 4:21 pm



Southern California Earthquakes in the Past Week

Anthony Guarino
Seismological Laboratory


Lucy JonesU. S. Geological Survey

California Institute of Technology

December 01, 2011

This report covers the seven day period ending 16:00 on December 01, 2011. During this period we detected and analyzed 200 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
-------------------------------------------------------------------------------------------
15079636  2.2  2011/11/25 09:28:33 32 54.8 N 116 21.2 W 10.3   29 km (18 mi)  SE of Julian, CA
15079812  2.5  2011/11/25 23:29:23 32  9.5 N 115 17.5 W 10.0   60 km (37 mi)  SSE  of Calexico, CA
15079844  2.1  2011/11/26 04:31:27 32  4.6 N 115 10.0 W 10.0   73 km (45 mi)  SSE  of Calexico, CA
15079980  2.7  2011/11/26 17:47:48 34 22.8 N 117 39.0 W  6.2    3 km ( 2 mi)  NW of Wrightwood, CA 
15079988  2.2  2011/11/26 18:38:30 35 54.4 N 118 54.0 W  9.7   22 km (14 mi)  SSE  of Porterville, CA 
15080068  2.0  2011/11/27 01:39:18 34 22.9 N 117 39.1 W  8.5    4 km ( 2 mi)  NW of Wrightwood, CA 
15080100  2.0  2011/11/27 10:17:14 32 17.4 N 115 19.0 W 11.8   45 km (28 mi)  SSE  of Calexico, CA
15080116  2.4  2011/11/27 12:15:16 32 11.5 N 115 14.4 W 13.4   58 km (36 mi)  SSE  of Calexico, CA
15080212  2.0  2011/11/27 18:22:38 34 12.9 N 117 28.7 W 10.2    7 km ( 4 mi)  W of Devore, CA
15080236  2.5  2011/11/27 19:36:39 35 23.7 N 117 49.6 W  4.8   29 km (18 mi)  SSW  of Ridgecrest, CA
15080412  2.0  2011/11/28 07:40:03 32 38.4 N 115 44.0 W  7.2   23 km (14 mi)  W of Calexico, CA
15080444  2.8  2011/11/28 08:53:19 32  9.7 N 115 15.6 W  9.6   60 km (38 mi)  SSE  of Calexico, CA
15080644  2.8  2011/11/28 20:40:16 32 37.7 N 115 43.6 W  7.1   22 km (14 mi)  WSW  of Calexico, CA
15080668  3.3  2011/11/28 22:56:09 33 38.0 N 119  3.4 W 15.8   18 km (11 mi)  N of Santa Barbara Is., CA
15080732  2.5  2011/11/29 03:57:42 32  9.3 N 115 16.7 W 10.0   61 km (38 mi)  SSE  of Calexico, CA
37012359  2.1  2011/11/29 04:19:04 32 10.7 N 115 15.2 W 10.0   59 km (37 mi)  SSE  of Calexico, CA
15080748  2.5  2011/11/29 04:19:15 32 10.0 N 115 14.8 W  5.0   60 km (38 mi)  SSE  of Calexico, CA
15080764  2.2  2011/11/29 05:00:04 32  9.9 N 115 13.9 W 10.0   61 km (38 mi)  SSE  of Calexico, CA
15080788  2.3  2011/11/29 09:06:20 33 56.6 N 117 56.9 W 18.9    1 km ( 1 mi)  NNE  of La Habra, CA 
15081588  2.8  2011/12/01 11:20:36 32 50.2 N 118 17.6 W  4.6    5 km ( 3 mi)  ENE  of San Clemente Is.  

November 24, 2011

Weekly Seismicity Report – November 24th, 2011

Filed under: Weekly — Anthony Guarino @ 4:17 pm



Southern California Earthquakes in the Past Week

Anthony Guarino
, Seismological Laboratory


Lucy JonesU. S. Geological Survey

California Institute of Technology

November 24, 2011

This report covers the seven day period ending 16:00 on November 24, 2011. During this period we detected and analyzed 220 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
-------------------------------------------------------------------------------------------
15076828  2.5  2011/11/17 17:07:01 36 13.8 N 118 19.2 W  5.6   29 km (18 mi)  WSW  of Olancha, CA
15076860  2.3  2011/11/17 18:14:30 33  1.0 N 116 18.7 W  5.5   22 km (14 mi)  SW of Ocotillo Wells, CA
15076884  3.0  2011/11/17 20:33:20 35 10.5 N 119 23.5 W  0.0    6 km ( 4 mi)  NE of Taft, CA
15076908  2.3  2011/11/17 22:57:44 32  3.0 N 115  8.6 W 10.0   76 km (47 mi)  SSE  of Calexico, CA
15076996  3.2  2011/11/18 06:14:35 32 47.8 N 116  9.0 W  5.6   16 km (10 mi)  WNW  of Ocotillo, CA
15077028  2.2  2011/11/18 07:21:16 32 47.6 N 116  8.7 W  7.4   16 km (10 mi)  WNW  of Ocotillo, CA
11034109  2.3  2011/11/18 14:16:44 32  6.1 N 115 14.2 W 10.0   68 km (42 mi)  SSE  of Calexico, CA
11034125  2.1  2011/11/18 15:27:01 33 28.0 N 116 31.0 W 14.4   17 km (11 mi)  SE of Anza, CA
11034141  2.1  2011/11/18 16:14:38 33 33.5 N 116 39.7 W 12.5    1 km ( 1 mi)  ENE  of Anza, CA
11034157  3.2  2011/11/18 17:00:50 32 13.1 N 115 20.1 W 10.0   52 km (32 mi)  SSE  of Calexico, CA
11034205  2.7  2011/11/18 20:15:15 32  3.2 N 115 12.6 W  6.0   73 km (46 mi)  SSE  of Calexico, CA
11034469  3.9  2011/11/19 12:32:21 33 14.7 N 116 15.9 W  9.9   10 km ( 6 mi)  E of Borrego Springs, CA
37011839  3.3  2011/11/19 12:32:33 33 14.8 N 116 15.7 W  4.7   10 km ( 6 mi)  E of Borrego Springs, CA
11034493  2.0  2011/11/19 13:06:59 33 14.9 N 116 15.5 W  7.2   11 km ( 7 mi)  E of Borrego Springs, CA
11034805  2.0  2011/11/20 14:56:26 35 37.4 N 119 54.1 W 17.0   31 km (20 mi)  NNE  of Simmler, CA
11034853  3.2  2011/11/20 17:01:38 33 10.8 N 115 36.4 W  1.9    3 km ( 2 mi)  ENE  of Obsidian Butte, CA
11034997  2.7  2011/11/20 22:08:01 32  6.6 N 115 14.0 W 10.5   67 km (42 mi)  SSE  of Calexico, CA
11035037  3.0  2011/11/21 01:07:11 32  7.6 N 115 13.7 W  6.1   65 km (41 mi)  SSE  of Calexico, CA
11035365  2.4  2011/11/22 02:05:35 32  2.8 N 115 10.1 W 10.0   76 km (47 mi)  SSE  of Calexico, CA
11035389  3.1  2011/11/22 06:39:43 33 28.1 N 116 34.8 W  8.9   13 km ( 8 mi)  SE of Anza, CA
11035773  2.4  2011/11/22 17:41:45 32  6.2 N 115 21.6 W  0.1   64 km (40 mi)  SSE  of Calexico, CA
11035837  3.1  2011/11/22 23:51:49 32  8.4 N 115 14.3 W 10.0   64 km (39 mi)  SSE  of Calexico, CA
11035845  2.4  2011/11/23 00:54:27 32 40.1 N 115 43.4 W  5.3   21 km (13 mi)  SW of El Centro, CA
11035861  3.0  2011/11/23 01:19:11 32  7.2 N 115 14.7 W 10.0   65 km (41 mi)  SSE  of Calexico, CA
11035909  2.4  2011/11/23 05:37:04 33 59.1 N 116 39.7 W 17.3   10 km ( 6 mi)  SW of Morongo Valley, CA
11036005  2.2  2011/11/23 11:32:37 33  3.4 N 117 41.6 W 16.2   33 km (20 mi)  WSW  of Oceanside, CA
11036045  2.3  2011/11/23 13:43:57 32  9.8 N 115 16.8 W 10.0   60 km (37 mi)  SSE  of Calexico, CA
11036149  2.4  2011/11/24 01:22:00 32 44.7 N 115 25.8 W  9.9   10 km ( 6 mi)  NE of Calexico, CA
11036165  2.4  2011/11/24 01:39:03 32 46.5 N 115 26.3 W 19.7   11 km ( 7 mi)  E of El Centro, CA
11036277  2.4  2011/11/24 07:38:25 32 43.3 N 115 19.6 W 18.2   17 km (11 mi)  ENE  of Calexico, CA
11036285  2.4  2011/11/24 07:44:16 32 47.8 N 115 27.5 W 12.7    9 km ( 5 mi)  E of El Centro, CA
11036293  2.1  2011/11/24 08:00:36 32 45.8 N 115 26.6 W  9.3   11 km ( 7 mi)  ESE  of El Centro, CA
11036309  2.1  2011/11/24 08:15:31 32 47.3 N 115 26.3 W 12.9   11 km ( 7 mi)  E of El Centro, CA 
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