SCSN Earthquake Commentary

May 10, 2012

Weekly Seismicity Report – May 10th, 2012

Filed under: Weekly — Anthony Guarino @ 5:24 pm



Southern California Earthquakes in the Past Week

Anthony Guarino
Seismological Laboratory


Lucy Jones, U. S. Geological Survey

California Institute of Technology

May 10, 2012

This report covers the seven day period ending 17:00 on May 10, 2012. During this period we detected and analyzed 274 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
-------------------------------------------------------------------------------------------
11101842  2.4  2012/05/03 22:38:30 32  6.8 N 115 43.1 W 10.0   65 km (41 mi)  SSW  of Calexico, CA
11101850  2.3  2012/05/03 22:51:31 33 19.4 N 116 24.4 W  7.6    8 km ( 5 mi)  NNW  of Borrego Springs, CA
37069116  2.0  2012/05/04 00:13:29 32 56.2 N 115 44.3 W  8.2   16 km (10 mi)  SW of Westmorland, CA
11102194  2.8  2012/05/04 11:07:41 32 36.6 N 115 42.5 W 10.3   21 km (13 mi)  WSW  of Calexico, CA
11102242  2.5  2012/05/04 14:03:44 32  8.5 N 115 11.7 W 10.3   65 km (40 mi)  SSE  of Calexico, CA
11102322  2.2  2012/05/04 16:52:48 32  7.4 N 115 11.1 W 10.0   67 km (42 mi)  SSE  of Calexico, CA
11102346  2.6  2012/05/04 19:00:25 35 59.2 N 117 52.1 W  8.0   10 km ( 6 mi)  SE of Coso Junction, CA
11103066  2.3  2012/05/06 11:26:45 32 19.6 N 115 11.8 W 16.3   47 km (29 mi)  SE of Calexico, CA
11103370  2.2  2012/05/07 04:44:26 32 23.1 N 115 12.8 W  0.1   41 km (26 mi)  SE of Calexico, CA
11103402  2.0  2012/05/07 05:30:15 34 44.0 N 120 13.0 W 11.6   14 km ( 8 mi)  N of Buellton, CA
11103682  2.2  2012/05/07 13:44:46 34  0.1 N 116 23.4 W  2.2   11 km ( 7 mi)  ENE  of Desert Hot Springs, CA
11103714  2.9  2012/05/07 13:58:06 33 60.0 N 116 23.7 W  3.9   11 km ( 7 mi)  ENE  of Desert Hot Springs, CA
11103746  2.0  2012/05/07 16:17:40 32 10.7 N 115 14.2 W 10.0   60 km (37 mi)  SSE  of Calexico, CA
11103938  2.3  2012/05/08 03:41:05 32 13.5 N 115 20.7 W  0.0   51 km (32 mi)  SSE  of Calexico, CA
11103962  2.1  2012/05/08 03:57:04 32 39.1 N 115 42.4 W  8.9   20 km (12 mi)  W of Calexico, CA
11104010  2.3  2012/05/08 07:10:01 32 10.9 N 115 15.2 W  4.7   59 km (36 mi)  SSE  of Calexico, CA
11104354  3.2  2012/05/08 16:55:42 34  9.6 N 116 25.4 W  8.1    5 km ( 3 mi)  NNE  of Yucca Valley, CA
11104394  2.1  2012/05/08 17:48:05 34 21.6 N 119 33.8 W 12.3    6 km ( 4 mi)  SW of Carpinteria, CA
11104474  2.0  2012/05/08 21:49:31 32 40.7 N 115 41.3 W 10.6   18 km (11 mi)  W of Calexico, CA
11104546  2.3  2012/05/08 22:55:19 32  4.8 N 115 11.9 W 20.9   71 km (44 mi)  SSE  of Calexico, CA
11104602  3.6  2012/05/09 01:18:08 32  9.9 N 115 14.4 W 10.0   61 km (38 mi)  SSE  of Calexico, CA
11104642  3.7  2012/05/09 02:42:52 32  5.4 N 115 43.0 W  5.0   68 km (42 mi)  SSW  of Calexico, CA
11104658  2.4  2012/05/09 03:11:18 32  6.5 N 115 45.3 W  5.8   67 km (42 mi)  SSW  of Calexico, CA
11104706  2.5  2012/05/09 06:27:51 33 16.3 N 116  0.2 W  3.7    4 km ( 2 mi)  WSW  of Salton City, CA
15146785  2.4  2012/05/09 12:17:45 32  6.5 N 115 45.0 W  2.9   67 km (41 mi)  SSW  of Calexico, CA
15147009  2.1  2012/05/09 22:36:02 34 22.1 N 116 27.5 W  3.6   28 km (17 mi)  N of Yucca Valley, CA
15147033  2.8  2012/05/09 23:06:43 32  9.2 N 115 12.2 W 10.0   63 km (39 mi)  SSE  of Calexico, CA
15147057  3.7  2012/05/09 23:24:38 32  9.5 N 115 12.7 W 10.0   63 km (39 mi)  SSE  of Calexico, CA
15147249  2.3  2012/05/10 11:33:42 32 36.2 N 115 45.9 W  3.8   26 km (16 mi)  SE of Ocotillo, CA 

May 3, 2012

Weekly Seismicity Report – May 3, 2012

Filed under: Weekly — Anthony Guarino @ 5:02 pm



Southern California Earthquakes in the Past Week

Anthony Guarino
Seismological Laboratory


Lucy Jones U. S. Geological Survey

California Institute of Technology

May 03, 2012

This report covers the seven day period ending 17:00 on May 03, 2012. During this period we detected and analyzed 255 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
-------------------------------------------------------------------------------------------
15140857  2.0  2012/04/26 17:40:00 32 58.4 N 117 47.1 W 10.0   45 km (28 mi)  WSW  of Oceanside, CA
15140953  2.4  2012/04/26 20:44:00 34 21.1 N 116 46.5 W 11.1   12 km ( 7 mi)  NE of Big Bear City, CA
15141129  2.6  2012/04/27 07:47:12 35 15.5 N 119 18.3 W 20.1   18 km (11 mi)  NE of Taft, CA
15141409  2.4  2012/04/27 22:36:28 33 39.8 N 116 45.8 W 18.9   10 km ( 6 mi)  SSW  of Idyllwild, CA
15141521  3.8  2012/04/28 08:07:28 34 14.1 N 117 26.1 W 13.4    3 km ( 2 mi)  WNW  of Devore, CA
15141529  2.0  2012/04/28 08:09:31 34 12.3 N 117 24.4 W 10.6    2 km ( 1 mi)  SSW  of Devore, CA
15141665  4.2  2012/04/28 14:25:08 32 10.5 N 115 16.8 W 10.0   58 km (36 mi)  SSE  of Calexico, CA
15141721  3.0  2012/04/28 16:24:37 32 13.1 N 115 17.1 W  0.0   54 km (33 mi)  SSE  of Calexico, CA
15141745  2.0  2012/04/28 18:46:25 33 58.2 N 116 38.8 W 15.0   10 km ( 6 mi)  SW of Morongo Valley, CA
15141761  2.1  2012/04/28 22:40:14 36 11.6 N 118  2.9 W  1.2   10 km ( 7 mi)  SSW  of Olancha, CA
15141937  2.2  2012/04/29 13:21:24 32 11.4 N 115 16.2 W 10.0   57 km (36 mi)  SSE  of Calexico, CA
15142017  2.8  2012/04/29 15:53:56 33 27.5 N 116 27.5 W  9.0   22 km (14 mi)  ESE  of Anza, CA
15142057  2.1  2012/04/29 16:35:09 33 51.6 N 116  9.4 W  3.7   17 km (11 mi)  NNE  of Indio, CA
15142065  2.6  2012/04/29 16:37:42 33 51.5 N 116  9.2 W  3.9   17 km (11 mi)  NNE  of Indio, CA
15142137  2.1  2012/04/29 18:34:06 34 15.3 N 119 40.3 W  8.5   19 km (12 mi)  S of Santa Barbara, CA
15142161  2.5  2012/04/29 20:16:30 34 24.8 N 116 29.0 W  9.0   33 km (21 mi)  N of Yucca Valley, CA
15142177  2.3  2012/04/29 20:39:14 33 47.8 N 116  5.8 W  1.2   14 km ( 9 mi)  NE of Indio, CA
15142209  2.0  2012/04/30 02:05:01 32 12.1 N 115 16.6 W 10.0   56 km (35 mi)  SSE  of Calexico, CA
15142625  2.2  2012/05/01 05:40:07 33  9.8 N 115 40.1 W  1.7    3 km ( 2 mi)  WSW  of Obsidian Butte, CA
15142633  2.2  2012/05/01 05:40:07 33  9.9 N 115 39.7 W  2.0    2 km ( 1 mi)  WSW  of Obsidian Butte, CA
15143065  2.3  2012/05/01 21:18:31 32 14.2 N 115 21.9 W 10.0   49 km (31 mi)  SSE  of Calexico, CA
15143129  2.0  2012/05/02 01:34:03 36  0.9 N 117 49.0 W  2.2   12 km ( 8 mi)  ESE  of Coso Junction, CA
15143305  3.3  2012/05/02 16:10:09 32 25.2 N 115 33.1 W 12.2   28 km (17 mi)  S of Calexico, CA
37066556  2.6  2012/05/02 16:11:09 32 24.8 N 115 33.3 W  7.3   29 km (18 mi)  S of Calexico, CA
15143561  2.7  2012/05/03 07:53:42 33 45.2 N 116  5.3 W  4.3   12 km ( 8 mi)  ENE  of Indio, CA 

April 28, 2012

M4.1 Earthquake – Devore, CA, 8:07AM, 4/28/12

Filed under: Felt Earthquakes, Large Events, Significant Events — Anthony Guarino @ 9:23 am

A M4.1 earthquake occurred at 8:07AM this morning, and was felt widely throughout Riverside, San Bernardino, Los Angeles, Orange, and San Diego Counties. If you felt this quake, and would like to report it, click here.

The ShakeMap for the event is below:
ShakeMap for M4.1 Devore Earthquake - 4/28/12

The CIIM Map is below. This map will update as more responses are collected:
CIIM Map

April 26, 2012

Weekly Seismicity Report – April 26, 2012

Filed under: Weekly — Anthony Guarino @ 5:39 pm



Southern California Earthquakes in the Past Week

Anthony Guarino
Seismological Laboratory


Lucy Jones U. S. Geological Survey

California Institute of Technology

April 26, 2012

This report covers the seven day period ending 17:00 on April 26, 2012. During this period we detected and analyzed 282 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
-------------------------------------------------------------------------------------------
15137785  2.4  2012/04/20 00:07:39 32 20.9 N 115 12.0 W 10.0   45 km (28 mi)  SE of Calexico, CA
15137929  2.6  2012/04/20 07:46:07 32 14.7 N 115 17.2 W 10.0   51 km (32 mi)  SSE  of Calexico, CA
15138273  2.3  2012/04/21 02:44:07 32 12.7 N 115 14.9 W  2.8   56 km (35 mi)  SSE  of Calexico, CA
15138353  2.9  2012/04/21 06:37:16 32 15.7 N 115 14.7 W 10.0   51 km (32 mi)  SSE  of Calexico, CA
15138681  3.5  2012/04/22 09:18:33 33 19.3 N 116 24.1 W  7.3    8 km ( 5 mi)  NNW  of Borrego Springs, CA 
15138745  2.7  2012/04/22 10:16:27 32  7.6 N 115 15.4 W 14.0   64 km (40 mi)  SSE  of Calexico, CA
15139105  2.6  2012/04/23 02:00:59 33  8.4 N 116  4.2 W 11.7    6 km ( 4 mi)  E of Ocotillo Wells, CA 
15139281  2.3  2012/04/23 09:34:32 32 59.0 N 117 41.8 W 12.0   38 km (23 mi)  SW of Oceanside, CA
15139337  3.9  2012/04/23 10:37:02 33 30.1 N 117 43.2 W 13.1    3 km ( 2 mi)  SSW  of Laguna Niguel, CA 
Felt Widely Throughout Orange County, Los Angeles, Riverside, and San Diego Counties
15139417  2.1  2012/04/23 12:25:53 33 50.8 N 116  9.3 W  2.8   16 km (10 mi)  NNE  of Indio, CA
15139465  2.3  2012/04/23 16:59:30 33 19.2 N 116 24.0 W  7.3    8 km ( 5 mi)  NNW  of Borrego Springs, CA
15139473  2.6  2012/04/23 18:01:27 33 50.8 N 116  9.3 W  4.2   16 km (10 mi)  NNE  of Indio, CA
15139817  2.3  2012/04/24 11:23:44 33 28.8 N 116 30.3 W 13.7   18 km (11 mi)  ESE  of Anza, CA
15139881  3.3  2012/04/24 12:44:09 33 42.7 N 116 50.4 W 18.1   12 km ( 8 mi)  WSW  of Idyllwild, CA
15139913  2.5  2012/04/24 12:45:59 33 42.9 N 116 50.6 W 17.9   12 km ( 8 mi)  ESE  of Hemet, CA
15140193  3.0  2012/04/24 22:29:32 33  8.2 N 117 56.2 W  6.0   42 km (26 mi)  SSW  of Dana Point, CA
15140289  2.0  2012/04/25 06:22:00 33 51.5 N 116  9.5 W  3.2   17 km (11 mi)  NNE  of Indio, CA
15140337  2.4  2012/04/25 09:54:49 32 19.0 N 115 19.0 W  0.1   42 km (26 mi)  SSE  of Calexico, CA
15140489  2.1  2012/04/25 19:23:16 33 20.2 N 116 12.8 W 13.4   17 km (11 mi)  ENE  of Borrego Springs, CA
15140609  2.1  2012/04/26 05:30:18 32 10.7 N 115 16.5 W 10.0   58 km (36 mi)  SSE  of Calexico, CA
15140793  2.2  2012/04/26 14:36:30 35 28.6 N 118 27.5 W  5.8   18 km (11 mi)  S of town of Lake Isabella, CA
15140809  2.1  2012/04/26 14:52:46 33 58.6 N 116 56.1 W 20.9    7 km ( 4 mi)  NE of Beaumont, CA 

April 19, 2012

Weekly Seismicity Report – April 19, 2012

Filed under: Weekly — Anthony Guarino @ 5:30 pm



Southern California Earthquakes in the Past Week

Anthony Guarino
Seismological Laboratory


Lucy Jones U. S. Geological Survey

California Institute of Technology

April 19, 2012

This report covers the seven day period ending 17:00 on April 19, 2012. During this period we detected and analysed 285 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
-------------------------------------------------------------------------------------------
15134721  2.3  2012/04/12 21:18:02 33 28.2 N 118 15.0 W  6.5   16 km (10 mi)  NNE  of Avalon Catalina Island, CA
37048636  2.5  2012/04/12 21:18:09 33 28.5 N 118 15.8 W  0.0   16 km (10 mi)  NNE  of Avalon Catalina Island, CA
15134769  2.1  2012/04/13 02:29:37 33 21.5 N 116 24.6 W  9.8   12 km ( 7 mi)  NNW  of Borrego Springs, CA
15135297  2.1  2012/04/14 00:11:01 33 48.0 N 116  5.6 W  2.2   15 km ( 9 mi)  NE of Indio, CA
15135345  2.7  2012/04/14 04:34:29 32 59.5 N 116 27.6 W  5.7   16 km (10 mi)  SE of Julian, CA
15135569  2.2  2012/04/15 00:42:39 35 26.8 N 117 40.3 W  9.6   20 km (12 mi)  S of Ridgecrest, CA
15135577  2.2  2012/04/15 02:43:53 32 27.5 N 115 35.2 W 13.5   25 km (15 mi)  SSW  of Calexico, CA
15135737  2.2  2012/04/15 17:18:41 33 51.1 N 116  9.9 W  6.0   16 km (10 mi)  NNE  of Indio, CA
15135817  2.5  2012/04/15 20:02:00 33 30.4 N 116 18.7 W 12.8   23 km (14 mi)  WSW  of Mecca, CA
15135833  2.5  2012/04/15 20:02:58 33 30.4 N 116 18.6 W 12.3   23 km (14 mi)  WSW  of Mecca, CA
15135849  2.4  2012/04/15 20:07:27 33 30.2 N 116 20.0 W 10.7   25 km (15 mi)  SSE  of Palm Desert, CA
15135857  2.0  2012/04/15 20:08:20 33 30.1 N 116 19.6 W 11.0   24 km (15 mi)  WSW  of Mecca, CA
15136017  2.4  2012/04/16 08:25:36 32 14.7 N 115 15.3 W  3.5   52 km (32 mi)  SSE  of Calexico, CA
15136241  3.4  2012/04/16 17:12:03 35 28.0 N 119 20.9 W 24.8   33 km (21 mi)  WNW  of Bakersfield, CA
15136305  2.3  2012/04/16 19:45:28 33 10.4 N 115 38.2 W  2.2    0 km ( 0 mi)  N of Obsidian Butte, CA
15136449  2.0  2012/04/16 22:29:15 33 10.2 N 115 38.7 W  2.5    1 km ( 0 mi)  W of Obsidian Butte, CA
15136793  2.8  2012/04/17 13:15:16 33 21.1 N 116 22.9 W 14.9   11 km ( 7 mi)  N of Borrego Springs, CA
15136913  2.6  2012/04/17 19:48:59 34 20.0 N 117  0.6 W  6.6   14 km ( 8 mi)  NW of town of Big Bear Lake, CA
15137017  2.2  2012/04/18 03:14:42 35 41.1 N 117 28.8 W 11.9   14 km ( 8 mi)  SW of Trona, CA
15137481  2.8  2012/04/19 04:45:35 33 47.9 N 116  5.6 W  1.5   15 km ( 9 mi)  NE of Indio, CA
15137489  3.0  2012/04/19 04:46:04 33 47.6 N 116  5.6 W  1.7   14 km ( 9 mi)  NE of Indio, CA
15137513  2.5  2012/04/19 05:31:47 33 47.9 N 116  6.0 W  2.4   14 km ( 9 mi)  NE of Indio, CA
15137609  2.2  2012/04/19 12:50:30 36  3.7 N 117 52.4 W  5.4    7 km ( 4 mi)  ENE  of Coso Junction, CA 

April 12, 2012

Weekly Seismicity Report – April 12, 2012

Filed under: Weekly — Anthony Guarino @ 5:11 pm



Southern California Earthquakes in the Past Week

Anthony Guarino
Seismological Laboratory


Lucy JonesU. S. Geological Survey

California Institute of Technology

April 12, 2012

This report covers the seven day period ending 17:00 on April 12, 2012. During this period we detected and analysed 269 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
-------------------------------------------------------------------------------------------
11089554  2.4  2012/04/05 22:24:53 32 36.9 N 115 49.7 W 11.9   20 km (13 mi)  SE of Ocotillo, CA
11089602  2.2  2012/04/06 01:55:08 32 18.7 N 115 35.1 W 10.0   40 km (25 mi)  SSW  of Calexico, CA
11089650  2.2  2012/04/06 07:33:22 32 16.0 N 115 22.8 W 10.0   46 km (28 mi)  SSE  of Calexico, CA
11089706  2.7  2012/04/06 10:23:52 32  7.4 N 115 11.2 W 10.0   67 km (42 mi)  SSE  of Calexico, CA
11089882  2.3  2012/04/07 00:19:32 33 52.4 N 116 53.4 W 14.4    6 km ( 4 mi)  SSW  of Banning, CA
11090074  2.9  2012/04/07 07:39:23 33 46.4 N 116 10.8 W  3.3    7 km ( 5 mi)  NNE  of Indio, CA
Felt in Indio
11090130  2.2  2012/04/07 15:06:45 33 51.2 N 116  9.7 W  5.4   16 km (10 mi)  NNE  of Indio, CA
11090202  2.7  2012/04/07 18:39:24 33 46.5 N 116 10.8 W  3.0    8 km ( 5 mi)  NNE  of Indio, CA
11090274  3.5  2012/04/07 20:38:21 32  7.6 N 115 11.0 W 10.0   67 km (42 mi)  SSE  of Calexico, CA
11090314  3.0  2012/04/07 22:59:36 32 37.5 N 115 48.7 W  9.2   21 km (13 mi)  SE of Ocotillo, CA
11090322  3.2  2012/04/07 22:59:42 32 39.3 N 115 50.1 W  2.0   17 km (11 mi)  ESE  of Ocotillo, CA
11090330  2.8  2012/04/07 23:01:39 32 37.3 N 115 49.0 W  8.5   21 km (13 mi)  SE of Ocotillo, CA
11090370  2.7  2012/04/08 00:41:40 32 37.2 N 115 49.1 W  8.4   21 km (13 mi)  SE of Ocotillo, CA
11090394  3.1  2012/04/08 01:15:20 32 37.3 N 115 49.0 W  9.9   21 km (13 mi)  SE of Ocotillo, CA
11090442  2.0  2012/04/08 03:50:05 32 37.4 N 115 49.2 W  8.4   20 km (13 mi)  SE of Ocotillo, CA
11090450  2.7  2012/04/08 03:54:47 33 51.4 N 116  9.6 W  2.5   17 km (10 mi)  NNE  of Indio, CA
11090570  2.3  2012/04/08 14:09:39 33 35.4 N 118 22.5 W  0.5   15 km ( 9 mi)  SSW  of Pt. Fermin San Pedro, CA
11090658  2.2  2012/04/08 20:20:35 33 50.9 N 116  9.4 W  3.8   16 km (10 mi)  NNE  of Indio, CA
11090706  2.6  2012/04/08 21:54:53 33 51.1 N 116  9.6 W  3.0   16 km (10 mi)  NNE  of Indio, CA
11090818  2.0  2012/04/09 03:10:47 33 51.0 N 116  9.5 W  2.8   16 km (10 mi)  NNE  of Indio, CA
11091058  2.9  2012/04/09 16:29:56 32 14.4 N 115 14.4 W 10.0   53 km (33 mi)  SSE  of Calexico, CA
11091082  2.4  2012/04/09 18:20:58 32 36.4 N 115 50.0 W  3.1   21 km (13 mi)  SE of Ocotillo, CA
11091578  2.6  2012/04/10 20:18:48 33 46.6 N 116  6.3 W  6.2   12 km ( 8 mi)  ENE  of Indio, CA
11091682  2.4  2012/04/11 03:37:33 33 29.7 N 116 25.6 W 11.1   24 km (15 mi)  ESE  of Anza, CA
11091690  2.6  2012/04/11 03:42:48 33 29.5 N 116 25.5 W 10.6   24 km (15 mi)  ESE  of Anza, CA
11091882  2.1  2012/04/11 14:53:30 32 38.5 N 115 44.3 W  6.5   23 km (14 mi)  W of Calexico, CA
11092194  3.5  2012/04/12 11:53:01 33 27.9 N 116 28.0 W  7.7   22 km (13 mi)  ESE  of Anza, CA
Felt in the Anza area
11092210  2.4  2012/04/12 12:11:52 33 51.5 N 116  9.2 W  2.3   17 km (11 mi)  NNE  of Indio, CA 
15134561  2.1  2012/04/12 15:18:59 33 27.6 N 116 28.2 W  7.4   22 km (13 mi)  ESE  of Anza, CA
15134577  2.8  2012/04/12 15:46:26 33  2.3 N 116 23.1 W  9.4   20 km (13 mi)  ESE  of Julian, CA
15134585  2.0  2012/04/12 16:06:45 33  2.0 N 116 23.9 W 11.4   19 km (12 mi)  ESE  of Julian, CA 

April 5, 2012

Weekly Seismicity Report – April 5, 2012

Filed under: Weekly — Anthony Guarino @ 5:46 pm



Southern California Earthquakes in the Past Week

Anthony Guarino
Seismological Laboratory


Lucy JonesU. S. Geological Survey

California Institute of Technology

April 05, 2012

This report covers the seven day period ending 17:00 on April 05/2012. During this period we detected and analyzed 326 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. This report is preliminary, and will be updated after all events have been reviewed.

          Mag. PST Date   PST Time  Lat.       Long.    Depth  Descriptive location
-------------------------------------------------------------------------------------------
11086258  3.3  2012/03/29 23:09:27 33 18.2 N 116 52.7 W 15.1    6 km ( 4 mi)  SSW  of Palomar Observatory, CA
11086290  2.8  2012/03/30 00:38:59 33 18.3 N 116 52.8 W 14.6    6 km ( 4 mi)  SSW  of Palomar Observatory, CA
11086690  3.0  2012/03/30 19:15:09 34  0.3 N 118 49.9 W 12.2    2 km ( 2 mi)  WNW  of Pt. Dume, CA
11086778  3.0  2012/03/31 02:53:26 33 41.5 N 119  8.2 W 11.4   25 km (16 mi)  NNW  of Santa Barbara Is., CA
11086882  2.5  2012/03/31 06:21:40 32 17.9 N 115 24.5 W 20.2   42 km (26 mi)  SSE  of Calexico, CA
11087066  2.8  2012/03/31 18:40:17 32 12.4 N 115 16.8 W  0.0   55 km (34 mi)  SSE  of Calexico, CA
11087122  2.3  2012/03/31 20:28:43 32 59.5 N 115 32.1 W 13.0    3 km ( 2 mi)  N of Brawley, CA
11087130  2.1  2012/03/31 20:29:40 33  0.3 N 115 33.2 W 17.3    5 km ( 3 mi)  NNW  of Brawley, CA
11087162  2.9  2012/03/31 22:31:21 32 59.6 N 115 32.0 W 12.8    4 km ( 2 mi)  N of Brawley, CA
11087194  3.0  2012/04/01 01:26:12 33 22.7 N 116 51.2 W  8.0    3 km ( 2 mi)  NNE  of Palomar Observatory, CA
11087242  2.5  2012/04/01 02:47:32 33 22.6 N 116 50.9 W  8.1    3 km ( 2 mi)  NNE  of Palomar Observatory, CA
11087274  2.3  2012/04/01 05:10:57 33 51.4 N 116  9.5 W  3.0   17 km (10 mi)  NNE  of Indio, CA
11087290  2.4  2012/04/01 06:26:07 32 34.2 N 115 41.2 W  3.9   21 km (13 mi)  WSW  of Calexico, CA
11087314  2.5  2012/04/01 08:02:26 33 51.3 N 116  9.7 W  6.9   16 km (10 mi)  NNE  of Indio, CA
11087866  2.1  2012/04/02 23:23:38 34  1.9 N 116 51.4 W 14.3    8 km ( 5 mi)  SSW  of Mt. San Gorgonio, CA
11087914  2.7  2012/04/03 00:46:29 33 51.4 N 116  9.3 W  3.3   17 km (10 mi)  NNE  of Indio, CA
11088010  2.7  2012/04/03 03:45:10 34  1.2 N 116 35.6 W 11.7    3 km ( 2 mi)  SSW  of Morongo Valley, CA
11088074  3.5  2012/04/03 08:15:37 33 51.5 N 116  9.4 W  1.9   17 km (10 mi)  NNE  of Indio, CA
11088146  2.1  2012/04/03 09:38:58 33 51.3 N 116  9.3 W  2.4   16 km (10 mi)  NNE  of Indio, CA
11088154  2.7  2012/04/03 09:49:21 32 10.7 N 115 15.3 W 10.0   59 km (37 mi)  SSE  of Calexico, CA
11088210  2.0  2012/04/03 12:36:26 34 48.4 N 118 55.4 W 12.6    2 km ( 2 mi)  SE of Frazier Park, CA
11088218  2.1  2012/04/03 12:38:44 36 12.7 N 118 19.2 W  2.9   29 km (18 mi)  WSW  of Olancha, CA
11088378  2.1  2012/04/03 16:43:47 33 51.0 N 116  9.4 W  8.9   16 km (10 mi)  NNE  of Indio, CA
11088434  3.5  2012/04/03 18:12:09 33 51.5 N 116  9.4 W  2.4   17 km (10 mi)  NNE  of Indio, CA
11088658  2.0  2012/04/04 02:54:15 33 51.2 N 116  9.5 W  9.6   16 km (10 mi)  NNE  of Indio, CA
11088706  2.7  2012/04/04 05:06:10 33 51.6 N 116  9.4 W  3.5   17 km (11 mi)  NNE  of Indio, CA
11088722  2.0  2012/04/04 05:16:53 33 51.2 N 116  9.0 W  7.5   16 km (10 mi)  NNE  of Indio, CA
11088770  2.1  2012/04/04 06:45:28 32 32.0 N 115 41.8 W  6.7   24 km (15 mi)  SW of Calexico, CA
11088794  2.5  2012/04/04 07:09:18 33 51.0 N 116  9.3 W  5.3   16 km (10 mi)  NNE  of Indio, CA
11088842  2.8  2012/04/04 08:36:10 33 51.5 N 116  9.3 W  5.8   17 km (11 mi)  NNE  of Indio, CA
11088850  2.4  2012/04/04 08:50:04 32 42.9 N 115 57.8 W  3.7    4 km ( 2 mi)  SE of Ocotillo, CA
11088898  2.6  2012/04/04 10:02:56 33 51.4 N 116  9.8 W  5.0   16 km (10 mi)  NNE  of Indio, CA
11088938  3.0  2012/04/04 13:59:13 32 36.9 N 115 49.0 W  8.9   21 km (13 mi)  SE of Ocotillo, CA
11088946  2.3  2012/04/04 14:29:46 32 36.2 N 115 49.6 W  4.8   21 km (13 mi)  SE of Ocotillo, CA
11088954  2.2  2012/04/04 14:30:42 32 35.8 N 115 50.0 W  6.0   21 km (13 mi)  SE of Ocotillo, CA
11089042  2.1  2012/04/04 19:31:17 33 51.5 N 116  9.6 W  0.8   17 km (11 mi)  NNE  of Indio, CA
11089098  2.3  2012/04/04 22:39:31 33 51.3 N 116  9.3 W  2.4   17 km (10 mi)  NNE  of Indio, CA
11089146  2.8  2012/04/05 00:22:55 33 51.4 N 116 10.3 W  3.8   16 km (10 mi)  NNE  of Indio, CA
11089346  2.4  2012/04/05 10:44:08 33 47.6 N 120  1.2 W 13.4   19 km (12 mi)  SSE  of Santa Rosa Is., CA
11089354  2.7  2012/04/05 10:58:35 33 47.2 N 120  1.4 W 15.0   19 km (12 mi)  SSE  of Santa Rosa Is., CA
11089362  3.0  2012/04/05 12:01:16 33 51.3 N 116  9.4 W  3.6   16 km (10 mi)  NNE  of Indio, CA
11089434  2.3  2012/04/05 16:34:30 33 51.6 N 116 10.2 W  4.3   17 km (10 mi)  NNE  of Indio, CA
11089442  2.4  2012/04/05 16:35:01 33 51.8 N 116 10.2 W  6.2   17 km (11 mi)  NNE  of Indio, CA 

March 29, 2012

Weekly Seismicity Report – March 29, 2012

Filed under: Weekly — Anthony Guarino @ 5:13 pm



Southern California Earthquakes in the Past Week

Anthony Guarino
, Seismological Laboratory


Lucy Jones, U. S. Geological Survey

California Institute of Technology

March 30, 2012

This report covers the seven day period ending 17:00 on March 29/2012. During this period we detected and analysed 287 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
-------------------------------------------------------------------------------------------
11083162  2.3  2012/03/22 17:54:21 33 10.4 N 115 36.4 W  2.3    3 km ( 2 mi)  E of Obsidian Butte, CA
11083474  2.3  2012/03/23 04:01:41 32 10.4 N 115 18.2 W  0.1   58 km (36 mi)  SSE  of Calexico, CA
11083498  2.2  2012/03/23 05:24:17 32 15.8 N 115 17.8 W 10.0   49 km (30 mi)  SSE  of Calexico, CA
11083514  2.1  2012/03/23 09:20:36 33 28.2 N 116 33.8 W  8.5   14 km ( 9 mi)  SE of Anza, CA
11083530  2.0  2012/03/23 12:18:48 32 18.0 N 115 22.6 W 10.0   42 km (26 mi)  SSE  of Calexico, CA
11083546  2.3  2012/03/23 13:02:49 33 54.2 N 118 23.9 W 10.5    2 km ( 1 mi)  SSW  of El Segundo, CA
11083794  2.1  2012/03/24 03:44:07 36 13.4 N 118 19.3 W  2.4   29 km (18 mi)  WSW  of Olancha, CA
11083834  2.0  2012/03/24 05:16:29 33 10.6 N 115 38.4 W  6.0    1 km ( 0 mi)  NNW  of Obsidian Butte, CA
11084194  2.0  2012/03/24 22:16:03 32 40.0 N 115 43.7 W  7.8   22 km (13 mi)  SW of El Centro, CA
11084418  2.1  2012/03/25 19:18:49 33  2.7 N 116 26.6 W  6.9   15 km ( 9 mi)  ESE  of Julian, CA
11084474  2.1  2012/03/26 05:43:55 32 58.9 N 115 55.0 W  9.5   27 km (17 mi)  SE of Ocotillo Wells, CA
11084554  3.1  2012/03/26 11:02:15 32  2.8 N 115  4.6 W 10.0   80 km (49 mi)  SSE  of Calexico, CA
11084594  3.6  2012/03/26 12:50:13 32 40.5 N 115 42.3 W  8.9   20 km (12 mi)  SW of El Centro, CA 
11084690  2.2  2012/03/26 16:52:13 36 13.0 N 118 19.2 W  3.4   29 km (18 mi)  WSW  of Olancha, CA 
11084714  2.5  2012/03/26 18:15:05 33 27.8 N 118  9.7 W  7.6   20 km (12 mi)  NE of Avalon Catalina Island, CA
11085050  3.4  2012/03/27 13:30:33 34  9.1 N 117 27.0 W 13.7    5 km ( 3 mi)  NNW  of Fontana, CA
Felt widely in the Fontana area
11085058  2.5  2012/03/27 13:32:08 34  8.9 N 117 27.2 W 13.8    5 km ( 3 mi)  NNW  of Fontana, CA 
11085218  3.0  2012/03/27 19:07:48 32 35.4 N 115 41.2 W 10.0   20 km (12 mi)  WSW  of Calexico, CA
11085306  2.3  2012/03/27 23:25:52 34 41.5 N 120 18.3 W  2.0   13 km ( 8 mi)  NW of Buellton, CA
11085378  3.3  2012/03/28 03:09:53 33  0.4 N 116 27.0 W 10.8   16 km (10 mi)  ESE  of Julian, CA 
11085530  2.0  2012/03/28 09:49:40 32 40.5 N 115 43.2 W  7.7   21 km (13 mi)  SW of El Centro, CA
11085538  2.1  2012/03/28 09:51:32 33 45.3 N 118 10.7 W 16.7    2 km ( 2 mi)  SSE  of Long Beach, CA
Felt in Long Beach
11085746  2.7  2012/03/28 21:29:14 32 31.0 N 115 43.3 W  8.9   27 km (17 mi)  SW of Calexico, CA
11085754  2.2  2012/03/28 21:55:41 32 30.9 N 115 40.3 W  2.9   24 km (15 mi)  SW of Calexico, CA
11085770  2.4  2012/03/28 22:15:19 32 30.9 N 115 38.3 W 10.0   22 km (13 mi)  SW of Calexico, CA
11085778  2.1  2012/03/29 00:28:21 33 56.7 N 116 42.9 W 16.9    7 km ( 4 mi)  ENE  of Cabazon, CA 

March 22, 2012

Weekly Seismicity Report – March 22, 2012

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



Southern California Earthquakes in the Past Week

Anthony Guarino
Seismological Laboratory


Lucy JonesU. S. Geological Survey

California Institute of Technology

March 22, 2012

This report covers the seven day period ending 17:00 on March 22/2012. During this period we detected and analyzed 211 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
-------------------------------------------------------------------------------------------
11080754  2.1  2012/03/16 10:18:08 34  2.7 N 117 16.9 W 17.5    3 km ( 2 mi)  W of Loma Linda, CA
11081386  3.2  2012/03/19 00:19:43 32 40.2 N 115 42.5 W  9.2   20 km (12 mi)  W of Calexico, CA
11082466  2.1  2012/03/21 02:31:03 32  9.6 N 116 35.9 W 14.3   60 km (38 mi)  SE of San Ysidro, CA
11082498  2.1  2012/03/21 06:47:11 32 17.3 N 115 23.4 W 10.0   43 km (27 mi)  SSE  of Calexico, CA
11082522  2.0  2012/03/21 08:08:49 34 37.2 N 117 58.8 W 11.3   13 km ( 8 mi)  ENE  of Palmdale, CA
11082554  2.4  2012/03/21 09:26:10 32  0.5 N 115  1.0 W 10.0   85 km (53 mi)  SSW  of Yuma, AZ
11083034  2.1  2012/03/22 08:45:43 33 13.5 N 116  3.0 W  9.5   10 km ( 6 mi)  SW of Salton City, CA
11083042  2.6  2012/03/22 08:55:39 33 13.6 N 116  3.1 W  8.7   10 km ( 6 mi)  SW of Salton City, CA 

March 15, 2012

Weekly Seismicity Report – March 15, 2012

Filed under: Weekly — Anthony Guarino @ 5:48 pm



Southern California Earthquakes in the Past Week

Anthony Guarino
Seismological Laboratory


Lucy Jones U. S. Geological Survey

California Institute of Technology

March 15, 2012

This report covers the seven day period ending 17:00 on March 15/2012. During this period we detected and analyzed 269 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
-------------------------------------------------------------------------------------------
11077842  2.6  2012/03/08 20:13:56 32 21.0 N 115 25.9 W 13.2   36 km (22 mi)  S of Calexico, CA
11078002  2.0  2012/03/09 08:17:53 32 39.5 N 115 42.6 W  8.8   20 km (12 mi)  W of Calexico, CA
11078034  2.4  2012/03/09 10:07:29 33 19.5 N 116 24.0 W  6.7    8 km ( 5 mi)  NNW  of Borrego Springs, CA
11078058  2.3  2012/03/09 10:46:34 36 50.6 N 117 39.7 W  2.0   45 km (28 mi)  NE of Lone Pine, CA
11078402  2.0  2012/03/10 11:52:07 32 39.2 N 115 52.3 W  8.5   15 km ( 9 mi)  SE of Ocotillo, CA
11078602  2.1  2012/03/10 23:57:42 34  1.1 N 117 33.1 W 10.5   10 km ( 6 mi)  ESE  of Ontario, CA 
11078642  2.0  2012/03/11 01:34:29 35 24.4 N 117 48.1 W 10.5   27 km (17 mi)  SSW  of Ridgecrest, CA
11078674  2.4  2012/03/11 03:46:04 36  6.7 N 117 21.6 W  3.6   25 km (16 mi)  WSW  of Telescope Peak, CA
11078682  2.3  2012/03/11 04:21:59 32  8.5 N 115 15.2 W  7.8   63 km (39 mi)  SSE  of Calexico, CA
11078850  2.3  2012/03/11 16:55:46 32 40.9 N 115 42.8 W  7.6   20 km (12 mi)  SW of El Centro, CA
11078914  2.5  2012/03/11 21:14:03 32 40.0 N 115 42.8 W  9.3   20 km (13 mi)  W of Calexico, CA
11078930  2.0  2012/03/11 22:03:27 32 41.0 N 115 42.9 W  8.4   20 km (12 mi)  SW of El Centro, CA
11078970  2.1  2012/03/12 04:41:53 32 39.3 N 115 42.5 W  6.0   20 km (12 mi)  W of Calexico, CA
11079306  2.2  2012/03/12 19:34:30 32 12.3 N 115 13.5 W 10.0   57 km (36 mi)  SSE  of Calexico, CA
11079394  2.2  2012/03/13 00:36:10 33  6.9 N 116 17.1 W 10.6   15 km ( 9 mi)  WSW  of Ocotillo Wells, CA
11079402  2.4  2012/03/13 02:21:15 32 10.6 N 115 15.1 W 10.0   59 km (37 mi)  SSE  of Calexico, CA
11079514  2.2  2012/03/13 10:01:34 32 18.0 N 115 21.1 W 10.0   43 km (27 mi)  SSE  of Calexico, CA
11079634  2.5  2012/03/13 17:39:34 32 13.5 N 115 21.6 W  7.5   51 km (32 mi)  SSE  of Calexico, CA
11079786  2.5  2012/03/14 02:59:54 32  8.7 N 115 15.0 W 10.0   63 km (39 mi)  SSE  of Calexico, CA
11079850  2.9  2012/03/14 07:05:20 34 43.6 N 116 17.7 W  6.0   63 km (39 mi)  SSW  of Baker, CA
11079874  2.5  2012/03/14 09:21:51 34 37.1 N 116 36.1 W  8.9   37 km (23 mi)  ENE  of Lucerne Valley, CA
11080146  3.4  2012/03/14 23:30:34 33 13.7 N 116  5.8 W 13.8   10 km ( 6 mi)  NNE  of Ocotillo Wells, CA
11080154  3.3  2012/03/14 23:31:23 33 13.8 N 116  6.1 W 11.3   10 km ( 6 mi)  NNE  of Ocotillo Wells, CA 
11080170  2.2  2012/03/14 23:53:00 33 13.9 N 116  6.1 W  9.6   10 km ( 6 mi)  NNE  of Ocotillo Wells, CA
11080186  2.1  2012/03/14 23:57:04 33 13.8 N 116  6.2 W  9.6   10 km ( 6 mi)  NNE  of Ocotillo Wells, CA
11080314  2.1  2012/03/15 08:43:28 32 24.8 N 115 32.6 W  0.0   29 km (18 mi)  S of Calexico, CA 
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