SCSN Earthquake Commentary

May 28, 2009

Weekly Seismicity Report – May 28, 2009

Filed under: Weekly — Anthony Guarino @ 4:03 pm



Southern California Earthquakes in the Past Week

Anthony Guarino
Seismological Laboratory


Lucy JonesU. S. Geological Survey

California Institute of Technology

May 28, 2009

This report covers the seven day period ending 17:00 on May 28, 2009. During this period we detected and analyzed 318 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
-------------------------------------------------------------------------------------------


14461304 2.6 2009/05/21 17:25:25 34 41.6 N 118 53.7 W 15.4 12 km ( 8 mi) SSW of Gorman, CA
14461400 2.4 2009/05/21 23:44:40 32 10.5 N 115 23.9 W 6.0 56 km (35 mi) S of Calexico, CA
14461744 3.0 2009/05/22 13:28:20 36 24.4 N 117 49.7 W 5.6 21 km (13 mi) NE of Olancha, CA
14462048 3.4 2009/05/23 14:51:31 36 23.6 N 117 49.8 W 1.7 20 km (12 mi) NE of Olancha, CA
14462064 4.7 2009/05/23 15:58:32 36 23.8 N 117 50.3 W 1.1 20 km (12 mi) NE of Olancha, CA
14462072 2.5 2009/05/23 16:02:38 36 22.8 N 117 49.5 W 1.9 20 km (12 mi) NE of Olancha, CA
14462160 3.0 2009/05/23 16:54:04 36 23.0 N 117 49.4 W 2.1 20 km (12 mi) NE of Olancha, CA
14462256 2.0 2009/05/23 19:45:43 36 23.4 N 117 48.9 W 5.6 21 km (13 mi) NE of Olancha, CA
14462296 2.9 2009/05/23 20:43:06 36 24.2 N 117 49.7 W 5.5 21 km (13 mi) NE of Olancha, CA
14462432 2.0 2009/05/24 04:36:16 32 45.9 N 117 21.6 W 11.3 10 km ( 6 mi) W of Mission Beach, CA
14462600 2.9 2009/05/24 14:38:48 36 22.9 N 117 49.3 W 1.6 20 km (12 mi) NE of Olancha, CA
14462792 2.5 2009/05/24 21:25:56 36 24.2 N 117 50.1 W 2.2 20 km (13 mi) NE of Olancha, CA
14462840 2.2 2009/05/25 01:43:05 36 23.1 N 117 50.0 W 2.8 19 km (12 mi) NE of Olancha, CA
14462960 3.0 2009/05/25 09:38:27 36 23.5 N 117 50.5 W 5.9 19 km (12 mi) NE of Olancha, CA
14463000 2.8 2009/05/25 11:33:02 36 23.1 N 117 49.5 W 5.9 20 km (12 mi) NE of Olancha, CA
14463032 3.4 2009/05/25 14:38:48 36 22.8 N 117 49.3 W 1.6 20 km (12 mi) ENE of Olancha, CA
14463272 2.0 2009/05/26 00:45:19 34 3.9 N 118 52.3 W 15.1 6 km ( 4 mi) ENE of Leo Carrillo State Beach, CA
14463304 3.1 2009/05/26 04:07:00 36 23.7 N 117 50.3 W 2.6 20 km (12 mi) NE of Olancha, CA
14463320 2.1 2009/05/26 04:44:32 36 24.1 N 117 50.8 W 2.3 20 km (12 mi) NE of Olancha, CA
14463384 2.2 2009/05/26 10:47:28 32 59.3 N 116 23.7 W 13.3 22 km (13 mi) ESE of Julian, CA
14463600 3.0 2009/05/26 16:53:51 36 23.7 N 117 50.6 W 3.8 19 km (12 mi) NE of Olancha, CA
14463656 2.1 2009/05/26 19:27:42 34 2.5 N 118 53.5 W 13.7 4 km ( 3 mi) E of Leo Carrillo State Beach, CA
14463792 2.0 2009/05/26 23:49:32 36 9.6 N 117 42.7 W 1.4 25 km (15 mi) ENE of Coso Junction, CA
14463888 3.0 2009/05/27 02:59:33 36 23.3 N 117 50.3 W 1.7 19 km (12 mi) NE of Olancha, CA
14464200 2.5 2009/05/27 18:26:10 33 11.0 N 115 36.5 W 2.2 3 km ( 2 mi) ENE of Obsidian Butte, CA
14464296 2.2 2009/05/27 21:57:45 36 23.0 N 117 49.8 W 5.6 19 km (12 mi) NE of Olancha, CA

%

May 21, 2009

Weekly Seismicity Report – May 21, 2009

Filed under: Felt Earthquakes, Weekly — nick @ 4:39 pm



Southern California Earthquakes in the Past Week

Nick Scheckel
Seismological Laboratory


Lucy Jones, U. S. Geological Survey

California Institute of Technology

May 21, 2009

This report covers the seven day period ending 17:00 on May 21, 2009. During this period we detected and analyzed 305 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
-------------------------------------------------------------------------------------------
10409281  2.1  2009/05/15 09:37:09 33 27.4 N 116 35.7 W 10.4   13 km ( 8 mi)  SSE  of Anza, CA
10409777  2.7  2009/05/16 05:12:16 33 18.3 N 116 17.7 W 13.6    9 km ( 6 mi)  NE of Borrego Springs, CA
10409785  2.6  2009/05/16 06:02:24 35 59.2 N 117 17.5 W  5.5   25 km (16 mi)  NNE  of Trona, CA
10409801  2.2  2009/05/16 07:49:00 32 29.5 N 115 44.4 W  6.0   30 km (19 mi)  SW of Calexico, CA
10410129  2.2  2009/05/17 07:51:36 32 10.0 N 115 50.7 W  6.0   65 km (40 mi)  SSW  of Calexico, CA
10410337  4.7  2009/05/17 20:39:36 33 56.2 N 118 20.7 W 15.2    2 km ( 1 mi)  N of Hawthorne, CA
For more information on this event, click here.
10410345  2.3  2009/05/17 20:44:00 33 55.1 N 118 21.3 W 17.4    Under Hawthorne, CA
10410353  3.1  2009/05/17 20:45:10 33 56.0 N 118 20.7 W 14.9    2 km ( 1 mi)  NNE  of Hawthorne, CA
10410465  2.3  2009/05/18 01:20:23 33 56.0 N 118 20.5 W 14.4    2 km ( 1 mi)  NNE  of Hawthorne, CA
10410521  2.5  2009/05/18 02:19:21 33 56.3 N 118 21.7 W 16.5    3 km ( 2 mi)  NNW  of Hawthorne, CA
10410537  2.4  2009/05/18 02:33:46 33 58.5 N 117 44.9 W 12.7    6 km ( 4 mi)  ESE  of Diamond Bar, CA
10411545  4.0  2009/05/19 15:49:11 33 55.8 N 118 20.4 W 15.4    2 km ( 1 mi)  NNE  of Hawthorne, CA
10411553  2.5  2009/05/19 15:51:09 33 55.3 N 118 22.1 W 16.4    2 km ( 1 mi)  WNW  of Hawthorne, CA
10411625  2.7  2009/05/19 17:41:17 32  5.3 N 115 45.4 W  6.0   69 km (43 mi)  SSW  of Calexico, CA
10412209  2.2  2009/05/20 15:54:48 34  0.5 N 118 19.2 W 13.4    5 km ( 3 mi)  E of Baldwin Hills, CA
10412249  2.3  2009/05/20 16:30:45 32 14.1 N 115 51.2 W  6.0   57 km (35 mi)  SSE  of Ocotillo, CA
10412281  2.7  2009/05/20 17:14:27 35  8.4 N 118 43.0 W  1.1   13 km ( 8 mi)  SE of Arvin, CA
10412321  2.2  2009/05/20 19:34:43 32  9.3 N 115 42.4 W  6.0   60 km (38 mi)  SSW  of Calexico, CA
10412329  3.2  2009/05/20 19:41:56 32  5.6 N 115 42.9 W  6.0   67 km (42 mi)  SSW  of Calexico, CA
10412337  2.7  2009/05/20 19:43:58 33 56.2 N 118 20.7 W 11.9    2 km ( 1 mi)  NNE  of Hawthorne, CA
10412401  2.3  2009/05/20 22:16:21 34 42.9 N 116 17.7 W  5.6   64 km (40 mi)  SSW  of Baker, CA
14461224  2.6  2009/05/21 15:05:43 33 58.5 N 116 58.8 W 12.1    5 km ( 3 mi)  N of Beaumont, CA 

May 14, 2009

Weekly Seismicity Report – May 14, 2009

Filed under: Felt Earthquakes, Weekly — nick @ 4:22 pm



Southern California Earthquakes in the Past Week

Nick Scheckel
Seismological Laboratory


Lucy Jones, U. S. Geological Survey

California Institute of Technology

May 14, 2009

This report covers the seven day period ending 17:00 on May 14, 2009. During this period we detected and analyzed 254 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
-------------------------------------------------------------------------------------------
10406281  2.6  2009/05/07 22:17:44 33 22.2 N 116 24.8 W 14.3   13 km ( 8 mi)  NNW  of Borrego Springs, CA
10406593  4.2  2009/05/08 13:27:13 34 26.4 N 119 11.0 W  7.6    6 km ( 4 mi)  E of Ojai, CA
10406681  2.0  2009/05/08 20:20:25 34 18.2 N 116 27.1 W  6.1   20 km (13 mi)  N of Yucca Valley, CA
10407001  2.1  2009/05/09 16:26:02 33 28.6 N 118 15.0 W  6.0   16 km (10 mi)  NNE  of Avalon Catalina Island, CA
10407033  2.4  2009/05/09 18:44:47 33 42.7 N 118  3.2 W 15.7    3 km ( 2 mi)  NNW  of Bolsa Chica Beach, CA 
10407097  2.5  2009/05/09 23:32:45 32  2.6 N 116 11.2 W  6.0   79 km (49 mi)  SSW  of Ocotillo, CA
10407225  2.1  2009/05/10 10:15:42 36 24.0 N 117 50.5 W  2.6   20 km (12 mi)  NE of Olancha, CA
10407289  2.4  2009/05/10 20:56:57 35 38.4 N 117 38.7 W  3.6    3 km ( 2 mi)  NE of Ridgecrest, CA
10407297  2.1  2009/05/10 21:04:23 32  7.3 N 115 46.8 W  6.0   66 km (41 mi)  SSW  of Calexico, CA
10407753  2.3  2009/05/11 20:05:38 34  9.2 N 116 26.1 W  5.5    4 km ( 2 mi)  NNE  of Yucca Valley, CA
10407801  2.0  2009/05/12 00:57:32 33  8.0 N 115 38.1 W  7.5    4 km ( 3 mi)  S of Obsidian Butte, CA
10407809  2.5  2009/05/12 02:01:24 33 60.0 N 118 27.4 W  9.8    3 km ( 2 mi)  NNW  of Marina del Rey, CA
10407825  2.5  2009/05/12 03:00:09 33 45.7 N 116  0.2 W  5.1   20 km (13 mi)  ENE  of Indio, CA
10408601  2.4  2009/05/13 19:49:44 35 39.7 N 116  5.9 W  6.0   38 km (24 mi)  SSE  of Shoshone, CA
10408617  2.3  2009/05/13 21:27:46 36  1.2 N 117 48.9 W  1.6   12 km ( 8 mi)  ESE  of Coso Junction, CA
10408777  2.1  2009/05/14 04:07:21 33  0.3 N 118 16.8 W  6.0   22 km (13 mi)  NNE  of San Clemente Is.
10408873  3.3  2009/05/14 09:15:28 36 47.0 N 118 11.4 W 13.3    2 km ( 1 mi)  SSE  of Independence, CA 

May 7, 2009

Weekly Seismicity Report – May 7, 2009

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

May 07, 2009

This report covers the seven day period ending 17:00 on May 07, 2009. During this period we detected and analyzed 279 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
-------------------------------------------------------------------------------------------
10118642  2.1  2009/05/01 08:18:05 32 48.4 N 115 26.4 W 15.5   10 km ( 7 mi)  E of El Centro, CA
10403545  3.5  2009/05/01 08:39:25 35  1.5 N 119 18.6 W 16.7   18 km (11 mi)  SE of Taft, CA
10403553  2.3  2009/05/01 08:46:24 32 48.2 N 115 27.4 W 15.1    9 km ( 6 mi)  E of El Centro, CA
10403625  2.1  2009/05/01 11:06:00 32 47.4 N 115 26.6 W 15.3   10 km ( 6 mi)  E of El Centro, CA
10403753  2.6  2009/05/01 16:31:25 35 19.1 N 119 36.3 W  3.6   24 km (15 mi)  NW of Taft, CA
10403777  4.4  2009/05/01 18:11:13 34  4.0 N 118 52.9 W 14.2    6 km ( 3 mi)  ENE  of Leo Carrillo State Beach, CA
10403857  3.1  2009/05/01 22:34:13 34  4.0 N 118 52.5 W 13.4    6 km ( 4 mi)  ENE  of Leo Carrillo State Beach, CA
10403865  2.1  2009/05/01 22:44:00 32 10.8 N 115 25.3 W  6.0   55 km (34 mi)  S of Calexico, CA
10404033  2.2  2009/05/02 10:36:29 32 25.7 N 115 19.5 W  6.0   31 km (19 mi)  SSE  of Calexico, CA
10404145  2.7  2009/05/02 12:35:48 32 20.2 N 115 15.5 W  6.0   43 km (27 mi)  SSE  of Calexico, CA
10404265  3.4  2009/05/02 16:36:49 36 42.5 N 117 41.9 W  3.0   35 km (21 mi)  ENE  of Lone Pine, CA
10404321  2.5  2009/05/02 18:29:25 34  3.3 N 118 53.5 W 13.8    4 km ( 3 mi)  ENE  of Leo Carrillo State Beach, CA
10404737  2.4  2009/05/04 00:47:35 34 11.5 N 118 33.3 W 18.2    2 km ( 1 mi)  N of Tarzana, CA 
10405097  2.8  2009/05/04 19:39:44 36  1.2 N 117 48.4 W  1.5   13 km ( 8 mi)  ESE  of Coso Junction, CA
10405233  2.5  2009/05/05 08:43:11 33  2.8 N 116 26.1 W  5.5   16 km (10 mi)  ESE  of Julian, CA 

May 1, 2009

M3.1 Aftershock 4 Miles NE of Leo Carrio State Beach

Filed under: Felt Earthquakes, Significant Events — Anthony Guarino @ 9:47 pm

There was a M3.1 aftershock to the M4.4 mainshock near Leo Carrio State Beach tonight at 10:34PM PDT. This event was felt along the coast at Pt. Dume, and throughout portions of Los Angeles and Ventura Counties.

M4.4 Earthquake – 3 Miles E of Leo Carrio State Beach

Filed under: Felt Earthquakes, Large Events, Significant Events — Anthony Guarino @ 5:43 pm

There was a M4.4 earthquake on Friday, May 1, 2009 at 06:11:13 PM (PDT), located 3 miles east of Leo Carrio State Beach and 9 miles SSW of Thousand Oaks. This event was felt sharply near the coast, with felt reports throughout Los Angeles, Orange, and Ventura Counties. If you felt this quake, and would like to report it, click here. To view the ShakeMap for this event, click here.

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