SCSN Earthquake Commentary

December 28, 2006

Weekly Seismicity Report – December 28, 2006

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




Southern California Earthquakes in the Past Week

Anthony Guarino
Seismological Laboratory


Sue HoughU. S. Geological Survey

California Institute of Technology

December 28, 2006

This report covers the seven day period ending 16:00 on December 28, 2006. During this period we detected and analyzed 153 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.

NOTE: Due to the holiday week, not all events have been reviewed by a seismologist. All events with M2.0 and larger have been reviewed by a seismologist.

          Mag. PST Date   PST Time  Lat.       Long.    Depth  Descriptive location
-------------------------------------------------------------------------------------------

10223545  2.3  2006/12/21 17:23:26 33 59.2 N 116 57.3 W 21.6    7 km ( 4 mi) NNE  of Beaumont, CA
10223549  2.4  2006/12/21 17:56:08 32 14.6 N 115 20.1 W  6.1   50 km (31 mi) SSE  of Calexico, CA
10223553  2.0  2006/12/21 18:03:06 33 57.1 N 117 48.7 W 14.6    5 km ( 3 mi) S    of Diamond Bar, CA
10223565  2.1  2006/12/21 19:51:00 32 42.8 N 116  2.9 W  8.1    6 km ( 4 mi) WSW  of Ocotillo, CA
10223593  2.6  2006/12/22 01:57:51 32 37.2 N 117 18.3 W 15.7   17 km (11 mi) SW   of San Diego, CA
10223601  2.4  2006/12/22 04:11:57 34  3.4 N 119 28.6 W 24.0    5 km ( 3 mi) NE   of Santa Cruz Is.
10223657  2.4  2006/12/23 02:11:39 35 28.4 N 118 20.0 W  1.4   22 km (14 mi) SSE  of town of Lake Isabella, CA
10223765  4.0  2006/12/23 19:43:38 33 42.5 N 116  3.0 W 13.2   15 km (10 mi) E    of Indio, CA
Felt widely througout San Diego County. Felt as far away as portions of Orange County.  If you felt this quake,
and would like to report it, click here.
10223777  2.1  2006/12/23 19:59:08 33 42.5 N 116  3.0 W 14.7   16 km (10 mi) N    of Mecca, CA
10223781  2.6  2006/12/23 20:07:54 33 45.1 N 116  5.0 W  5.1   13 km ( 8 mi) ENE  of Indio, CA
10223809  2.1  2006/12/23 23:09:00 35 46.2 N 117 29.4 W  5.5   11 km ( 7 mi) W    of Trona, CA
10223905  2.3  2006/12/24 15:16:29 33 50.4 N 117 51.4 W 10.9    5 km ( 3 mi) ENE  of Anaheim, CA
10223989  2.3  2006/12/25 07:06:14 36  8.4 N 117 51.0 W  1.2   14 km ( 9 mi) NE   of Coso Junction, CA
10224017  2.8  2006/12/25 08:56:46 33 42.1 N 116  2.6 W 12.8   15 km ( 9 mi) NNE  of Mecca, CA
10224025  2.0  2006/12/25 09:21:26 34  2.4 N 116 18.9 W  9.0   11 km ( 7 mi) S    of Joshua Tree, CA
10224041  2.0  2006/12/25 10:56:54 35 51.6 N 120 28.1 W  2.3    5 km ( 3 mi) SW   of Parkfield, CA
10224265  3.0  2006/12/27 13:36:19 33 45.5 N 116  4.8 W  5.1   13 km ( 8 mi) ENE  of Indio, CA
Felt in Indio and surrounding area.
10224297  2.3  2006/12/27 20:54:02 33 50.4 N 117 51.3 W 12.4    5 km ( 3 mi) ENE  of Anaheim, CA
10224365  2.3  2006/12/28 13:29:35 34 48.8 N 116 41.7 W  0.0   31 km (19 mi) ESE  of Barstow, CA  


December 21, 2006

Weekly Seismicity Report – December 21, 2006

Filed under: Weekly — Anthony Guarino @ 4:30 pm




Southern California Earthquakes in the Past Week

Anthony Guarino
Seismological Laboratory


Sue Hough U. S. Geological Survey

California Institute of Technology

December 21, 2006

This report covers the seven day period ending 16:00 on December 21/2006. During this period we detected and analyzed 148 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
-------------------------------------------------------------------------------------------

10222665  2.3  2006/12/15 07:51:45 32 48.4 N 115 58.9 W  1.9    8 km ( 5 mi) N    of Ocotillo, CA
10222669  2.2  2006/12/15 07:53:50 32 48.2 N 115 58.6 W  0.7    8 km ( 5 mi) NNE  of Ocotillo, CA
10222677  2.0  2006/12/15 08:19:43 32 48.7 N 115 58.7 W  1.0    9 km ( 5 mi) N    of Ocotillo, CA
10222681  2.1  2006/12/15 08:53:49 33 48.1 N 116 10.8 W  8.7   10 km ( 6 mi) NNE  of Indio, CA
10222693  2.1  2006/12/15 09:23:00 32 48.9 N 115 58.6 W  2.5    9 km ( 6 mi) N    of Ocotillo, CA
10222705  2.6  2006/12/15 11:50:25 36 12.6 N 120 16.6 W  5.6   11 km ( 7 mi) NE   of Coalinga, CA
10222749  3.1  2006/12/15 20:18:23 36 50.2 N 117 28.4 W  5.5   39 km (24 mi) NW   of Stovepipe Wells, CA
10222757  2.1  2006/12/15 22:15:15 33 55.4 N 117  4.9 W 15.6   10 km ( 6 mi) W    of Beaumont, CA
10222765  2.4  2006/12/15 22:39:18 32 14.2 N 115 19.8 W  8.1   50 km (31 mi) SSE  of Calexico, CA
10222781  2.6  2006/12/16 06:09:01 32  5.6 N 115 29.5 W 11.9   64 km (40 mi) S    of Calexico, CA
10222785  2.3  2006/12/16 07:32:12 32 14.9 N 115 20.4 W  6.0   49 km (30 mi) SSE  of Calexico, CA
10222817  2.9  2006/12/16 11:04:27 32 49.4 N 117 35.1 W 23.8   31 km (19 mi) W    of La Jolla, CA
Felt in La Jolla and surrounding area
10222821  2.4  2006/12/16 16:11:48 32 16.9 N 115 19.6 W  7.9   46 km (28 mi) SSE  of Calexico, CA
10222833  2.6  2006/12/16 19:55:35 34 30.8 N 118 46.6 W 16.1   15 km ( 9 mi) W    of Castaic Lake dam, CA
10222873  2.1  2006/12/17 08:32:47 32 58.1 N 115 33.5 W 14.5    2 km ( 1 mi) WNW  of Brawley, CA
10222917  2.0  2006/12/17 21:28:03 32 50.9 N 117 37.9 W  6.0   35 km (22 mi) W    of La Jolla, CA
10222921  2.1  2006/12/17 22:08:37 32 16.4 N 115 19.5 W  6.0   47 km (29 mi) SSE  of Calexico, CA
10222949  3.2  2006/12/18 03:01:46 33 10.3 N 118 41.1 W  0.0   17 km (11 mi) NNW  of San Clemente Is.
10222957  2.1  2006/12/18 05:41:59 32 35.5 N 115 49.2 W  4.5   23 km (14 mi) SE   of Ocotillo, CA
10222961  2.4  2006/12/18 06:09:26 32 16.3 N 115 20.4 W  6.0   46 km (29 mi) SSE  of Calexico, CA
10222973  2.6  2006/12/18 08:05:43 32 40.8 N 116  3.4 W  7.1    8 km ( 5 mi) SW   of Ocotillo, CA
10223081  3.0  2006/12/18 23:15:51 34 20.7 N 116 45.2 W  2.6   13 km ( 8 mi) NE   of Big Bear City, CA
Felt in Big Bear City
10223113  2.4  2006/12/19 01:15:19 34 20.4 N 116 45.1 W  3.2   13 km ( 8 mi) NE   of Big Bear City, CA
10223117  2.0  2006/12/19 01:16:17 34 20.7 N 116 45.1 W  3.9   13 km ( 8 mi) NE   of Big Bear City, CA
10223173  2.7  2006/12/19 07:53:35 32 41.0 N 116  3.3 W  8.4    8 km ( 5 mi) SW   of Ocotillo, CA
10223177  2.1  2006/12/19 09:07:19 32 41.4 N 116  3.2 W  8.7    8 km ( 5 mi) SW   of Ocotillo, CA
10223265  2.5  2006/12/19 15:13:29 32 38.2 N 115 51.4 W 12.7   17 km (10 mi) SE   of Ocotillo, CA
10223297  2.2  2006/12/19 19:50:34 32 38.7 N 115 51.8 W 11.0   16 km (10 mi) SE   of Ocotillo, CA
10223313  2.7  2006/12/19 23:09:06 36 32.3 N 118 36.5 W 18.1   29 km (18 mi) W    of Mt. Whitney, CA
10223321  2.0  2006/12/20 00:24:19 34 15.5 N 119 13.9 W 23.6    7 km ( 4 mi) ESE  of Ventura, CA
10223381  2.6  2006/12/20 14:34:38 32 24.6 N 115 13.4 W 14.6   38 km (24 mi) SE   of Calexico, CA
10223425  2.2  2006/12/20 18:44:06 32 33.2 N 115 49.3 W  3.4   26 km (16 mi) SE   of Ocotillo, CA
10223453  2.3  2006/12/21 01:00:57 34 59.0 N 119  5.7 W  6.9   14 km ( 9 mi) W    of Wheeler Ridge, CA
10223497  2.1  2006/12/21 06:22:36 35 57.9 N 120 35.7 W 11.6   16 km (10 mi) WNW  of Parkfield, CA
10223533  2.0  2006/12/21 14:56:21 35 31.9 N 118 24.7 W  1.2   13 km ( 8 mi) SSE  of town of Lake Isabella, CA  

December 15, 2006

M3.1 Earthquake – 23 miles NW of Stovepipe Wells, CA

Filed under: Significant Events — Anthony Guarino @ 8:58 pm

A minor earthquake occurred at 8:15 PM, located 21 miles northwest of Stovepipe Wells, in the area near Scotty’s Castle. We have no felt reports for the magnitude 3.1 event at this time, but this quake may have been felt in the area in and around Scotty’s Castle.

December 14, 2006

Weekly Seismicity Report – December 14, 2006

Filed under: Weekly — Anthony Guarino @ 4:44 pm




Southern California Earthquakes in the Past Week

Anthony Guarino
Seismological Laboratory


Sue HoughU. S. Geological Survey

California Institute of Technology

December 14, 2006

This report covers the seven day period ending 16:00 on December 14, 2006. During this period we detected and analyzed 152 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
-------------------------------------------------------------------------------------------

10221805  2.6  2006/12/07 23:11:33 33 20.1 N 115 42.6 W  7.5    3 km ( 2 mi) SE   of Bombay Beach, CA
10221821  2.0  2006/12/08 01:26:44 33 29.8 N 116 28.1 W  7.1   20 km (12 mi) ESE  of Anza, CA
10221877  2.1  2006/12/08 13:05:26 33 56.1 N 116 40.5 W 17.1   10 km ( 6 mi) E    of Cabazon, CA
10221973  2.8  2006/12/09 01:43:28 33 11.9 N 115 37.9 W  5.0    3 km ( 2 mi) N    of Obsidian Butte, CA
10222009  2.5  2006/12/09 12:20:16 32 33.9 N 115 48.9 W  4.3   25 km (16 mi) SE   of Ocotillo, CA
10222029  2.2  2006/12/09 16:38:02 32 34.9 N 115 49.0 W  4.7   24 km (15 mi) SE   of Ocotillo, CA
10222033  2.1  2006/12/09 17:02:21 33  9.4 N 115 39.8 W  2.3    3 km ( 2 mi) WSW  of Obsidian Butte, CA
10222041  2.2  2006/12/09 20:15:37 32 32.7 N 115 48.8 W  3.2   27 km (17 mi) SE   of Ocotillo, CA
10222109  2.7  2006/12/10 10:27:44 32 34.9 N 115 49.3 W  6.0   23 km (15 mi) SE   of Ocotillo, CA
10222161  2.1  2006/12/10 22:02:56 32 42.0 N 116  3.7 W  7.3    7 km ( 5 mi) WSW  of Ocotillo, CA
10222165  3.0  2006/12/11 00:17:35 34 10.3 N 116 27.2 W  9.7    6 km ( 4 mi) N    of Yucca Valley, CA
10222213  2.6  2006/12/11 11:32:58 32  9.9 N 115 49.9 W  6.0   64 km (40 mi) SSW  of Calexico, CA
10222217  2.4  2006/12/11 11:42:50 33 24.4 N 116 27.1 W 15.7   18 km (11 mi) NNW  of Borrego Springs, CA
10222249  2.3  2006/12/11 14:06:04 32 12.7 N 115 51.6 W  6.0   59 km (37 mi) SSE  of Ocotillo, CA
10222337  2.2  2006/12/12 07:15:11 32 59.0 N 115 34.4 W 14.3    4 km ( 3 mi) WNW  of Brawley, CA
10222345  2.4  2006/12/12 09:36:44 33 28.1 N 116 30.2 W 13.6   18 km (11 mi) ESE  of Anza, CA
10222349  2.5  2006/12/12 09:37:02 33 27.9 N 116 30.4 W 14.7   18 km (11 mi) ESE  of Anza, CA
10222457  2.1  2006/12/13 05:49:27 34 28.1 N 116 30.4 W  5.5   39 km (24 mi) NE   of Big Bear City, CA
10222481  2.2  2006/12/13 12:16:52 35 42.9 N 119 23.7 W 29.1   52 km (32 mi) NW   of Bakersfield, CA
10222585  2.1  2006/12/14 12:15:55 32 48.8 N 115 58.1 W  3.4    9 km ( 6 mi) NNE  of Ocotillo, CA  

December 7, 2006

Weekly Seismicity Report – December 7, 2006

Filed under: Weekly — Anthony Guarino @ 4:37 pm




Southern California Earthquakes in the Past Week

Anthony Guarino
Seismological Laboratory


Sue Hough U. S. Geological Survey

California Institute of Technology

December 07, 2006

This report covers the seven day period ending 16:00 on December 07, 2006. During this period we detected and analyzed 232 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
-------------------------------------------------------------------------------------------

10220437  2.4  2006/11/30 20:21:50 32 11.6 N 115 52.3 W  6.0   61 km (38 mi) S    of Ocotillo, CA
10220585  2.4  2006/12/01 13:30:49 34 20.5 N 117  0.6 W  4.5   13 km ( 8 mi) SSW  of Lucerne Valley, CA
10220677  2.1  2006/12/01 22:26:04 35 34.6 N 118 26.2 W  3.2    7 km ( 4 mi) SSE  of town of Lake Isabella, CA
10221045  2.6  2006/12/04 06:19:33 33 49.1 N 118 26.1 W 15.6    5 km ( 3 mi) NNW  of Palos Verdes Point, CA
10221217  2.0  2006/12/05 10:29:53 32 49.6 N 115 58.4 W  2.7   10 km ( 6 mi) N    of Ocotillo, CA
10221221  3.0  2006/12/05 11:40:25 32 49.2 N 115 58.8 W  1.2    9 km ( 6 mi) N    of Ocotillo, CA
10221389  2.2  2006/12/06 05:40:59 34 37.3 N 116 34.6 W  9.0   39 km (24 mi) ENE  of Lucerne Valley, CA
10221405  2.0  2006/12/06 06:46:08 34 16.8 N 116 26.9 W  4.0   18 km (11 mi) N    of Yucca Valley, CA
10221409  2.2  2006/12/06 07:23:46 34 44.1 N 116 18.1 W  5.6   63 km (39 mi) SSW  of Baker, CA
10221561  2.5  2006/12/06 20:09:20 32 49.3 N 116  5.9 W 11.3   14 km ( 9 mi) NW   of Ocotillo, CA
10221641  2.3  2006/12/07 06:26:33 34 50.1 N 116 35.7 W  8.2   39 km (25 mi) E    of Barstow, CA
10221645  2.4  2006/12/07 07:10:42 34 18.8 N 118 27.5 W  8.6    4 km ( 2 mi) NNW  of San Fernando, CA
10221653  2.2  2006/12/07 07:14:07 32 49.2 N 115 58.7 W  2.0   10 km ( 6 mi) N    of Ocotillo, CA
10221693  3.1  2006/12/07 11:49:20 36  3.6 N 117 43.1 W  0.4   21 km (13 mi) E    of Coso Junction, CA  


small quake

Filed under: Felt Earthquakes — kate @ 8:07 am

A small earthquake (M2.4) was felt by several people in Sylmar at 7:10 am this morning. The quake was located 2 miles north-northwest of San Fernando.

December 4, 2006

Small quake off Palos Verdes

Filed under: Felt Earthquakes — kate @ 7:19 am

A small quake (M2.7) was felt this morning in the South Bay area (Torrance, Playa Del Rey, Redondo Beach, Hermosa Beach, Manhattan Beach). It occurred at 6:19 am & was centered 4 miles southwest of Hermosa Beach, offshore.

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