SCSN Earthquake Commentary

January 31, 2009

Filed under: Felt Earthquakes, Significant Events — dollar @ 2:19 pm

A magnitude 4.4 earthquake occured at 1:09 pm PST about 16 miles south of Ridgecrest Calif. and 8 miles WNW of Randsburg. At this time 14:20 PST there have been no felt reports. There has been one small aftershock. Other earthquakes greater than M4 have occured in this area in 1944 (M4,6), 1961 (M4.3), 1970 (M4.1) and 1994 (M4.4). -rsd 14:20 pst.

January 29, 2009

Weekly Seismicity Report – Jan. 29, 2009

Filed under: Weekly — Anthony Guarino @ 5:07 pm



Southern California Earthquakes in the Past Week

Anthony Guarino
Seismological Laboratory


Sue Hough U. S. Geological Survey

California Institute of Technology

January 29, 2009

This report covers the seven day period ending 16:00 on January 29, 2009. During this period we detected and analyzed 198 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
-------------------------------------------------------------------------------------------


10372945 2.2 2009/01/22 19:31:27 33 3.9 N 117 55.5 W 7.0 48 km (30 mi) NE of San Clemente Is.
10372997 2.4 2009/01/23 07:04:35 35 57.8 N 117 19.9 W 5.5 22 km (14 mi) N of Trona, CA
10373025 3.6 2009/01/23 09:44:43 32 7.1 N 115 45.2 W 12.1 66 km (41 mi) SSW of Calexico, CA
10373093 3.3 2009/01/23 19:42:44 33 58.7 N 118 27.7 W 11.2 1 km ( 1 mi) W of Marina del Rey, CA
Felt throughout the Los Angeles basin, but more sharply in the South Bay area
10373105 3.6 2009/01/23 21:19:05 32 5.7 N 115 42.7 W 11.9 67 km (42 mi) SSW of Calexico, CA
10373113 3.6 2009/01/23 23:58:38 32 3.6 N 115 47.8 W 6.0 73 km (46 mi) SSW of Calexico, CA
10373189 3.1 2009/01/24 10:08:40 35 59.4 N 117 17.7 W 0.5 26 km (16 mi) NNE of Trona, CA
10373197 2.4 2009/01/24 10:56:53 32 11.4 N 115 47.2 W 6.0 60 km (37 mi) SSW of Calexico, CA
10373221 2.1 2009/01/24 11:53:00 34 20.9 N 119 27.7 W 6.0 8 km ( 5 mi) SE of Carpinteria, CA
10373229 3.0 2009/01/24 12:40:20 32 4.1 N 115 46.5 W 6.0 72 km (45 mi) SSW of Calexico, CA
10373233 2.9 2009/01/24 12:47:49 34 18.3 N 116 55.0 W 5.7 7 km ( 4 mi) N of town of Big Bear Lake, CA
Felt at Big Bear Lake and Big Bear City
10373333 2.2 2009/01/25 12:08:30 33 30.9 N 117 54.7 W 14.2 11 km ( 7 mi) S of Newport Beach, CA
10373341 2.6 2009/01/25 12:53:32 35 59.4 N 117 17.7 W 1.8 26 km (16 mi) NNE of Trona, CA
10373397 2.3 2009/01/25 18:01:02 33 50.8 N 119 22.9 W 6.0 24 km (15 mi) SSE of Santa Cruz Is.
10373421 2.3 2009/01/25 21:03:22 35 58.4 N 117 19.5 W 2.4 23 km (14 mi) N of Trona, CA
10373433 2.4 2009/01/26 00:11:19 32 12.8 N 115 52.5 W 12.6 59 km (37 mi) S of Ocotillo, CA
10373557 2.3 2009/01/26 15:38:00 32 21.4 N 115 14.7 W 6.0 42 km (26 mi) SE of Calexico, CA
10373593 2.2 2009/01/26 20:59:42 32 27.9 N 115 19.0 W 6.0 28 km (17 mi) SE of Calexico, CA
10373601 2.7 2009/01/26 23:00:50 32 3.9 N 115 36.7 W 6.0 68 km (42 mi) S of Calexico, CA
10373613 2.2 2009/01/27 00:56:40 36 9.7 N 118 3.3 W 1.1 14 km ( 9 mi) SSW of Olancha, CA
10373621 2.6 2009/01/27 01:45:14 32 27.6 N 115 19.1 W 6.0 28 km (18 mi) SE of Calexico, CA
10373629 3.0 2009/01/27 02:12:48 32 28.1 N 115 18.7 W 6.0 28 km (17 mi) SE of Calexico, CA
10373721 2.1 2009/01/27 13:14:21 34 35.4 N 116 37.2 W 7.7 34 km (21 mi) ENE of Lucerne Valley, CA
10373805 2.8 2009/01/27 21:53:24 35 19.2 N 118 31.3 W 4.3 22 km (14 mi) NNW of Tehachapi, CA
10373809 3.5 2009/01/27 22:36:39 32 3.8 N 115 47.0 W 6.0 72 km (45 mi) SSW of Calexico, CA
10373821 2.3 2009/01/28 00:34:18 32 7.9 N 115 46.1 W 6.0 65 km (40 mi) SSW of Calexico, CA
10373825 2.1 2009/01/28 00:35:46 32 6.1 N 115 45.9 W 6.0 68 km (42 mi) SSW of Calexico, CA
10373829 2.4 2009/01/28 00:52:51 32 22.4 N 115 12.9 W 6.0 42 km (26 mi) SE of Calexico, CA
10373841 2.3 2009/01/28 01:34:14 32 10.1 N 115 46.2 W 6.0 61 km (38 mi) SSW of Calexico, CA
10373905 3.1 2009/01/28 09:00:23 32 5.5 N 115 51.7 W 6.7 73 km (45 mi) S of Ocotillo, CA
10373909 2.6 2009/01/28 09:19:52 35 18.9 N 118 31.3 W 5.7 22 km (13 mi) NNW of Tehachapi, CA
10373945 2.8 2009/01/28 12:46:33 32 8.8 N 115 45.8 W 6.0 63 km (39 mi) SSW of Calexico, CA
10373985 3.4 2009/01/28 17:48:01 32 4.7 N 115 44.2 W 6.0 70 km (43 mi) SSW of Calexico, CA
10374005 2.4 2009/01/28 21:26:14 32 25.0 N 115 28.3 W 6.0 28 km (17 mi) S of Calexico, CA
10374013 2.4 2009/01/28 21:45:42 32 7.9 N 115 50.4 W 6.0 68 km (42 mi) SSW of Calexico, CA
10374021 4.2 2009/01/29 00:41:59 32 41.6 N 118 13.6 W 10.0 18 km (11 mi) SE of San Clemente Is.
Felt near the coasts of northern San Diego and southern Orange Counties. If you felt this quake, and would like to
report it, click here.
10374033 2.2 2009/01/29 03:07:40 32 5.5 N 115 50.4 W 6.8 72 km (45 mi) SSW of Calexico, CA
10374081 3.1 2009/01/29 11:20:02 32 42.4 N 118 15.5 W 20.2 15 km ( 9 mi) SSE of San Clemente Is.

Filed under: Felt Earthquakes, Significant Events, Uncategorized — dollar @ 1:24 am

A M4.2 earthquake ocurred just past midnight at 00:41:59 and was located offshore in the Pacific Ocean approximately 62 miles West of San Diego, CA..
-rsd 01:25

January 22, 2009

Weekly Seismicity Report – January 22, 2009

Filed under: Weekly — Anthony Guarino @ 5:51 pm



Southern California Earthquakes in the Past Week

Anthony Guarino
Seismological Laboratory


Sue Hough U. S. Geological Survey

California Institute of Technology

January 22, 2009

This report covers the seven day period ending 16:00 on January 22, 2009. During this period we detected and analyzed 241 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
-------------------------------------------------------------------------------------------


10371621 3.3 2009/01/16 05:49:39 32 6.6 N 115 46.0 W 11.5 67 km (42 mi) SSW of Calexico, CA
10371625 2.3 2009/01/16 06:04:12 32 9.9 N 115 40.9 W 17.5 59 km (36 mi) SSW of Calexico, CA
10371673 2.6 2009/01/16 10:22:23 35 58.1 N 117 19.1 W 2.2 23 km (14 mi) NNE of Trona, CA
10371729 2.3 2009/01/16 14:59:55 35 58.5 N 117 19.1 W 3.2 24 km (15 mi) N of Trona, CA
10371745 2.7 2009/01/16 17:26:31 34 20.3 N 119 27.7 W 2.5 8 km ( 5 mi) SE of Carpinteria, CA
10371989 2.5 2009/01/18 13:15:24 32 22.2 N 115 16.0 W 6.0 40 km (25 mi) SSE of Calexico, CA
10372041 2.4 2009/01/18 17:01:13 33 59.6 N 116 57.3 W 9.2 8 km ( 5 mi) NNE of Beaumont, CA
10106802 2.7 2009/01/18 17:01:24 33 59.6 N 116 57.5 W 10.1 7 km ( 5 mi) NNE of Beaumont, CA
10372097 3.1 2009/01/18 21:48:40 32 26.6 N 117 42.0 W 32.7 56 km (35 mi) SW of Mission Beach, CA
10372485 2.3 2009/01/20 19:58:38 32 11.5 N 115 52.2 W 6.0 61 km (38 mi) S of Ocotillo, CA
10372525 2.6 2009/01/20 23:42:26 33 9.8 N 115 39.8 W 2.3 3 km ( 2 mi) WSW of Obsidian Butte, CA
10372689 2.2 2009/01/21 12:30:00 36 8.7 N 116 52.6 W 5.8 19 km (12 mi) E of Telescope Peak, CA
10372837 2.7 2009/01/22 09:52:07 32 7.9 N 115 41.4 W 8.6 62 km (39 mi) SSW of Calexico, CA
10372849 2.3 2009/01/22 10:10:42 35 45.4 N 117 46.3 W 7.5 18 km (11 mi) NNW of Ridgecrest, CA
10372885 3.1 2009/01/22 12:46:58 34 12.3 N 118 33.4 W 6.0 2 km ( 1 mi) WNW of Reseda, CA
Felt in the San Fernando Valley and south into the Los Angeles basin

January 15, 2009

Weekly Seismicity Report – January 15, 2009

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



Southern California Earthquakes in the Past Week

Anthony Guarino
Seismological Laboratory


Sue HoughU. S. Geological Survey

California Institute of Technology

January 15, 2009

This report covers the seven day period ending 16:00 on January 15, 2009. During this period we detected and analyzed 257 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
-------------------------------------------------------------------------------------------


10370141 4.5 2009/01/08 19:49:46 34 6.4 N 117 18.3 W 14.2 1 km ( 0 mi) W of San Bernardino, CA
Felt widely throughout Southern California. If you felt this quake, and would like to repot it, click here.
10370177 3.3 2009/01/08 20:47:40 34 5.9 N 117 18.3 W 15.1 1 km ( 1 mi) SW of San Bernardino, CA
Felt near San Bernardino
10370181 2.3 2009/01/08 20:50:07 35 57.7 N 117 20.0 W 2.0 22 km (14 mi) N of Trona, CA
10370257 2.1 2009/01/09 04:29:30 32 16.8 N 116 27.0 W 6.0 63 km (39 mi) ESE of San Ysidro, CA
10370261 2.9 2009/01/09 04:40:06 32 30.4 N 115 12.5 W 10.0 32 km (20 mi) SE of Calexico, CA
10370265 3.3 2009/01/09 04:43:58 32 32.7 N 115 15.3 W 10.0 26 km (16 mi) ESE of Calexico, CA
12709759 3.2 2009/01/09 04:44:58 32 33.5 N 115 14.8 W 10.0 26 km (16 mi) ESE of Calexico, CA
10370273 3.0 2009/01/09 04:55:06 32 32.3 N 115 15.1 W 10.0 27 km (17 mi) ESE of Calexico, CA
10370277 2.1 2009/01/09 05:00:37 32 31.6 N 115 12.8 W 7.8 31 km (19 mi) ESE of Calexico, CA
10370293 2.5 2009/01/09 05:44:59 32 28.5 N 115 12.1 W 10.0 35 km (22 mi) SE of Calexico, CA
10370429 2.6 2009/01/09 22:03:06 36 9.6 N 118 3.7 W 5.5 14 km ( 9 mi) SSW of Olancha, CA
10370437 2.2 2009/01/09 22:32:21 32 29.6 N 115 13.8 W 6.0 32 km (20 mi) SE of Calexico, CA
10370441 2.3 2009/01/09 22:35:43 33 3.6 N 118 0.5 W 10.8 41 km (26 mi) NE of San Clemente Is.
10370561 3.6 2009/01/10 17:06:00 34 18.5 N 116 54.9 W 7.0 7 km ( 4 mi) N of town of Big Bear Lake, CA
Felt at Big Bear Lake, Big Bear City, Running Springs, and surrounding area.
10370617 2.2 2009/01/11 04:14:48 34 2.2 N 117 15.4 W 16.4 1 km ( 1 mi) S of Loma Linda, CA
10370629 2.0 2009/01/11 05:49:58 32 41.1 N 116 3.3 W 6.5 8 km ( 5 mi) SW of Ocotillo, CA
10370641 2.2 2009/01/11 08:14:52 32 30.9 N 115 14.3 W 6.0 30 km (18 mi) SE of Calexico, CA
10370745 2.0 2009/01/11 22:24:37 32 29.1 N 115 13.3 W 6.0 33 km (20 mi) SE of Calexico, CA
10370809 3.4 2009/01/12 12:41:06 35 58.8 N 117 18.0 W 6.0 24 km (15 mi) NNE of Trona, CA
10370829 2.2 2009/01/12 14:18:57 35 58.1 N 117 20.3 W 1.7 23 km (14 mi) N of Trona, CA
10371077 2.1 2009/01/13 17:38:53 33 20.7 N 116 24.0 W 13.5 10 km ( 6 mi) NNW of Borrego Springs, CA
10371157 2.4 2009/01/14 02:05:54 33 47.8 N 117 38.3 W 4.3 11 km ( 7 mi) SW of Corona, CA
10371401 2.1 2009/01/14 23:29:38 35 58.4 N 117 18.5 W 1.4 24 km (15 mi) NNE of Trona, CA
10371477 2.4 2009/01/15 12:07:00 32 30.9 N 115 13.7 W 33.8 30 km (19 mi) SE of Calexico, CA

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January 8, 2009

Weekly Seismicity Report – January 8, 2008

Filed under: Weekly — Anthony Guarino @ 5:03 pm



Southern California Earthquakes in the Past Week

Anthony Guarino
Seismological Laboratory


Sue HoughU. S. Geological Survey

California Institute of Technology

January 08, 2009

This report covers the seven day period ending 16:00 on January 08, 2009. During this period we detected and analyzed 228 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
-------------------------------------------------------------------------------------------


10369101 2.4 2009/01/02 10:14:32 32 9.3 N 115 45.3 W 6.9 62 km (39 mi) SSW of Calexico, CA
10369137 2.1 2009/01/02 15:04:48 34 20.6 N 118 28.8 W 9.1 6 km ( 4 mi) SE of Newhall, CA
10369245 2.5 2009/01/03 03:28:22 32 47.7 N 115 27.0 W 14.8 10 km ( 6 mi) E of El Centro, CA
10369397 2.8 2009/01/04 04:34:43 33 59.5 N 116 57.3 W 5.7 7 km ( 5 mi) NNE of Beaumont, CA
Felt in Beaumont, Cabazon, and Banning
10369481 2.5 2009/01/04 21:35:00 32 15.8 N 115 20.5 W 6.0 47 km (29 mi) SSE of Calexico, CA
10369585 2.1 2009/01/05 23:46:50 33 0.9 N 116 15.6 W 6.7 19 km (12 mi) SW of Ocotillo Wells, CA
10369777 2.1 2009/01/06 21:05:07 32 34.5 N 115 34.1 W 6.0 12 km ( 8 mi) SSW of Calexico, CA
10369933 2.4 2009/01/07 23:37:46 36 17.5 N 118 21.5 W 4.6 32 km (20 mi) W of Olancha, CA
10105922 2.5 2009/01/07 23:38:01 36 18.2 N 118 21.7 W 6.0 32 km (20 mi) SSW of Mt. Whitney, CA
10369961 2.5 2009/01/08 02:36:36 32 33.6 N 115 33.7 W 6.0 14 km ( 8 mi) SSW of Calexico, CA
10370025 2.2 2009/01/08 09:43:36 32 34.2 N 115 15.2 W 6.0 25 km (16 mi) ESE of Calexico, CA
10370061 2.5 2009/01/08 11:39:41 35 59.1 N 117 18.7 W 3.8 25 km (15 mi) NNE of Trona, CA

January 1, 2009

Weekly Seismicity Report – January 1st, 2009

Filed under: Weekly — Anthony Guarino @ 5:08 pm



Southern California Earthquakes in the Past Week

Anthony Guarino
Seismological Laboratory


Sue Hough, U. S. Geological Survey

California Institute of Technology

January 01, 2009

This report covers the seven day period ending 16:00 on January 01, 2009. During this period we detected and analyzed 206 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
-------------------------------------------------------------------------------------------


10368093 2.4 2008/12/25 21:53:05 35 17.5 N 118 36.1 W 4.3 23 km (14 mi) ENE of Arvin, CA
10368221 2.2 2008/12/26 22:48:37 34 24.6 N 118 47.5 W 14.3 12 km ( 7 mi) E of Fillmore, CA
10368281 2.3 2008/12/27 14:06:20 32 17.4 N 115 20.4 W 6.0 44 km (28 mi) SSE of Calexico, CA
10368321 2.1 2008/12/27 21:02:14 32 20.3 N 115 22.2 W 6.0 38 km (24 mi) SSE of Calexico, CA
10368325 4.5 2008/12/27 21:17:07 32 34.1 N 115 32.6 W 10.0 12 km ( 7 mi) SSW of Calexico, CA
Felt widely throughout San Diego, Riverside, and Orange Counties. If you felt this quake, and would like to
report it, click here.
10368389 2.3 2008/12/28 09:32:53 32 31.4 N 115 31.2 W 10.0 16 km (10 mi) S of Calexico, CA
10368473 2.6 2008/12/28 22:39:10 33 57.7 N 116 36.3 W 11.0 10 km ( 6 mi) W of Desert Hot Springs, CA
10368489 2.1 2008/12/29 02:08:44 32 24.2 N 115 9.6 W 15.0 43 km (27 mi) SE of Calexico, CA
10368533 2.5 2008/12/29 14:12:14 35 21.5 N 118 29.7 W 5.5 26 km (16 mi) N of Tehachapi, CA
10368545 2.2 2008/12/29 19:01:26 33 38.4 N 116 42.3 W 18.2 10 km ( 6 mi) NNW of Anza, CA
12365851 2.0 2008/12/29 19:01:46 33 39.4 N 116 41.7 W 19.1 10 km ( 6 mi) S of Idyllwild, CA
10368569 2.2 2008/12/30 00:55:08 34 47.9 N 116 24.9 W 4.4 56 km (35 mi) E of Barstow, CA
10368621 2.1 2008/12/30 10:33:56 32 6.2 N 115 49.5 W 6.0 70 km (43 mi) SSW of Calexico, CA
10368653 2.2 2008/12/30 15:57:01 34 48.4 N 116 24.8 W 5.4 56 km (35 mi) E of Barstow, CA
10368657 2.3 2008/12/30 16:11:15 33 35.1 N 118 15.3 W 1.8 14 km ( 9 mi) SSE of Pt. Fermin San Pedro, CA
10368689 2.7 2008/12/31 01:01:06 33 0.7 N 116 15.8 W 7.4 19 km (12 mi) SW of Ocotillo Wells, CA
10368705 3.1 2008/12/31 03:05:05 33 56.6 N 118 47.0 W 14.0 7 km ( 4 mi) SSE of Pt. Dume, CA
Felt at Pt. Dume and surrounding area
10368773 2.1 2008/12/31 11:58:22 34 12.5 N 115 49.9 W 1.7 22 km (14 mi) ENE of Twentynine Palms, CA
10368817 2.6 2008/12/31 19:37:59 32 3.3 N 115 37.1 W 6.0 69 km (43 mi) S of Calexico, CA
10368825 2.5 2008/12/31 21:23:23 32 4.9 N 115 45.1 W 6.0 70 km (43 mi) SSW of Calexico, CA
10368873 2.6 2009/01/01 06:15:24 32 6.6 N 115 20.0 W 6.0 64 km (40 mi) SSE of Calexico, CA
10368925 2.2 2009/01/01 12:52:03 34 2.8 N 116 49.8 W 15.3 6 km ( 4 mi) S of Mt. San Gorgonio, CA
10368933 2.4 2009/01/01 13:45:08 32 31.6 N 115 32.7 W 10.0 16 km (10 mi) SSW of Calexico, CA

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