SCSN Earthquake Commentary

This report covers the seven day period ending 16:00 on December 27, 2007. During this period we detected and analyzed 135 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
-------------------------------------------------------------------------------------------

10296221  2.1  2007/12/21 03:25:03 35  4.6 N 119  1.5 W 12.8   11 km ( 7 mi)  NW of Wheeler Ridge, CA
10296257  2.1  2007/12/21 08:50:53 34 29.6 N 118 55.2 W 28.9   11 km ( 7 mi)  N of Fillmore, CA
10296297  2.3  2007/12/21 17:22:57 33 56.4 N 117 48.9 W 15.7    6 km ( 4 mi)  N of Yorba Linda, CA
10296301  2.4  2007/12/21 18:00:43 32  8.9 N 115 54.8 W  6.0   66 km (41 mi)  S of Ocotillo, CA
10296361  2.8  2007/12/22 10:32:18 34  5.4 N 117 49.7 W 14.3    6 km ( 3 mi)  E of Covina, CA
Felt throughout Los Angeles and Riverside counties
10296381  2.6  2007/12/22 11:59:16 34 31.5 N 116 16.9 W  5.7   43 km (27 mi)  N of Joshua Tree, CA
10296453  2.1  2007/12/23 06:32:01 36 56.3 N 117 32.2 W 14.2   51 km (32 mi)  NW of Stovepipe Wells, CA
10296489  2.4  2007/12/23 13:47:02 32  6.1 N 117  3.8 W  6.0   50 km (31 mi)  S of San Ysidro, CA
10296653  2.2  2007/12/24 19:21:34 33  8.5 N 116 48.9 W 17.5    6 km ( 4 mi)  SW of Mesa Grande, CA
10296893  3.2  2007/12/26 13:59:10 32  7.6 N 115 53.1 W  6.0   68 km (43 mi)  S of Ocotillo, CA
10296957  2.7  2007/12/27 04:39:58 35 54.9 N 120 28.2 W  0.4    4 km ( 2 mi)  WNW  of Parkfield, CA 

%

This report covers the seven day period ending 16:00 on December 20, 2007. During this period we detected and analyzed 236 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.

Due to the holiday, next week’s Weekly Seismicity Report will include events not yet reviewed by seismologists. We apologize for any inconvenience this may cause.

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

10294761  2.0  2007/12/13 22:36:24 33 54.9 N 116 54.5 W 11.3    3 km ( 2 mi)  WSW  of Banning, CA
10294765  2.0  2007/12/14 00:24:37 32 13.2 N 115 12.2 W  7.0   57 km (35 mi)  SSE  of Calexico, CA
10294941  2.0  2007/12/14 20:11:28 34  9.3 N 116 25.5 W 11.6    4 km ( 3 mi)  NNE  of Yucca Valley, CA
10294961  2.0  2007/12/14 21:13:56 32 20.0 N 115 14.4 W  7.0   44 km (28 mi)  SSE  of Calexico, CA
10295117  2.0  2007/12/15 13:33:37 33 47.1 N 118 34.2 W 14.8   13 km ( 8 mi)  W of Palos Verdes Point, CA
10295229  2.3  2007/12/16 07:44:37 32 18.3 N 116 22.7 W  1.8   60 km (37 mi)  SW of Ocotillo, CA
10295253  2.6  2007/12/16 10:44:21 34 25.2 N 118 36.6 W  5.1    5 km ( 3 mi)  WNW  of Valencia, CA
Felt in Valencia
10295401  2.5  2007/12/17 03:59:22 34  9.2 N 116 25.6 W 10.1    4 km ( 3 mi)  NNE  of Yucca Valley, CA
10295405  2.2  2007/12/17 04:06:03 33 40.7 N 116  1.2 W 12.4   13 km ( 8 mi)  NNE  of Mecca, CA
10295457  2.5  2007/12/17 09:43:37 32 30.4 N 115 15.8 W 29.8   28 km (17 mi)  SE of Calexico, CA
10295485  2.2  2007/12/17 10:32:41 32 46.3 N 117 34.4 W  5.0   30 km (19 mi)  W of Mission Beach, CA
10295489  2.8  2007/12/17 11:00:45 32 29.8 N 115 15.9 W 30.9   29 km (18 mi)  SE of Calexico, CA
Felt in Calexico
10295493  2.4  2007/12/17 11:06:16 32 30.3 N 115 15.6 W 31.1   28 km (18 mi)  SE of Calexico, CA
10295501  2.1  2007/12/17 11:20:50 32 29.6 N 115 15.0 W 28.7   30 km (19 mi)  SE of Calexico, CA
10295509  2.2  2007/12/17 14:05:49 32 31.4 N 115 16.3 W 30.9   26 km (16 mi)  SE of Calexico, CA
10295513  2.2  2007/12/17 14:07:15 32 30.7 N 115 15.5 W 30.1   28 km (18 mi)  SE of Calexico, CA
10295569  2.5  2007/12/17 19:20:32 32 30.6 N 115 16.5 W 31.1   27 km (17 mi)  SE of Calexico, CA
10295581  2.2  2007/12/17 20:38:24 32 30.0 N 115 16.1 W  6.6   28 km (18 mi)  SE of Calexico, CA
10295589  2.2  2007/12/17 22:36:00 34 18.5 N 116 50.9 W  5.4    5 km ( 3 mi)  N of Big Bear City, CA
10295621  2.2  2007/12/18 03:21:49 32  9.2 N 115 52.8 W  7.0   66 km (41 mi)  S of Ocotillo, CA
10295637  2.0  2007/12/18 04:37:21 33  2.6 N 116  2.3 W  5.6   14 km ( 9 mi)  SE of Ocotillo Wells, CA
10295849  4.0  2007/12/19 04:14:09 34  9.3 N 116 58.9 W 10.2   12 km ( 7 mi)  SW of town of Big Bear Lake, CA
Felt throughout San Bernardino, Riverside, Orange, and Los Angeles Counties. To view the ShakeMap for this event,
click here.
10295857  2.2  2007/12/19 05:14:16 32 40.9 N 115 23.2 W 14.2   10 km ( 6 mi)  E of Calexico, CA
10295865  2.5  2007/12/19 05:15:39 32 41.6 N 115 23.8 W 14.6   10 km ( 6 mi)  ENE  of Calexico, CA
10295869  2.1  2007/12/19 05:25:32 32 41.2 N 115 23.2 W 14.6   10 km ( 6 mi)  ENE  of Calexico, CA
10295873  2.9  2007/12/19 05:26:58 32 42.9 N 115 24.6 W 15.5   10 km ( 6 mi)  ENE  of Calexico, CA
Felt in Calexico and El Cajon
10295877  2.5  2007/12/19 05:28:13 32 42.1 N 115 24.3 W 14.1    9 km ( 6 mi)  ENE  of Calexico, CA
10295885  2.9  2007/12/19 05:37:01 32 43.4 N 115 24.7 W 15.0   10 km ( 6 mi)  NE of Calexico, CA
Felt in Calexico
10295889  2.6  2007/12/19 05:41:18 32 41.0 N 115 23.5 W 14.6   10 km ( 6 mi)  E of Calexico, CA
10295893  2.2  2007/12/19 05:42:17 32 40.9 N 115 23.7 W 14.1   10 km ( 6 mi)  E of Calexico, CA
10295897  2.3  2007/12/19 05:43:25 32 41.0 N 115 23.4 W  5.7   10 km ( 6 mi)  E of Calexico, CA
12328667  2.1  2007/12/19 19:51:18 33  3.1 N 116  1.5 W  8.3   14 km ( 9 mi)  SE of Ocotillo Wells, CA
10296105  2.4  2007/12/20 08:05:46 34  9.3 N 116 25.4 W  9.5    4 km ( 3 mi)  NNE  of Yucca Valley, CA 

This report covers the seven day period ending 16:00 on December 14, 2007. During this period we detected and analyzed 197 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
-------------------------------------------------------------------------------------------

10293457  2.2  2007/12/06 17:26:30 32 11.2 N 115 52.2 W  7.0   62 km (39 mi)  S of Ocotillo, CA
10293569  2.1  2007/12/07 10:01:12 33 43.9 N 117 29.0 W 10.1   16 km (10 mi)  WNW  of Lake Elsinore, CA
10293573  2.5  2007/12/07 11:02:11 34  2.0 N 117 16.2 W 18.1    2 km ( 1 mi)  SW of Loma Linda, CA
Felt in Loma Linda
10293617  2.4  2007/12/07 15:54:16 32 10.6 N 115 51.4 W  6.9   63 km (39 mi)  SSE  of Ocotillo, CA
10293613  2.1  2007/12/07 15:55:40 32 24.1 N 115 56.2 W  0.0   38 km (23 mi)  S of Ocotillo, CA
10293633  2.2  2007/12/07 18:48:52 33 44.4 N 117 28.4 W  8.7   16 km (10 mi)  WNW  of Lake Elsinore, CA
10293649  3.1  2007/12/07 21:34:35 32 24.8 N 116 23.9 W  0.0   52 km (32 mi)  SW of Ocotillo, CA
10293657  3.1  2007/12/07 22:34:55 32 10.0 N 115 54.3 W  7.6   64 km (40 mi)  S of Ocotillo, CA
10293677  2.9  2007/12/08 02:41:19 32 22.4 N 115 12.9 W  5.8   42 km (26 mi)  SE of Calexico, CA
10293681  2.3  2007/12/08 03:30:28 32 30.9 N 115 34.1 W 15.8   18 km (11 mi)  SSW  of Calexico, CA
10293685  3.9  2007/12/08 05:55:43 32 38.9 N 116  9.5 W 10.5   18 km (11 mi)  WSW  of Ocotillo, CA
Felt widely throughout San Diego County, and as far away as South Orange County
10293689  2.2  2007/12/08 05:58:36 32 39.1 N 116  9.1 W  9.7   18 km (11 mi)  WSW  of Ocotillo, CA
10293741  2.0  2007/12/08 15:31:20 32 44.8 N 116  4.9 W  0.0    8 km ( 5 mi)  W of Ocotillo, CA
10293901  2.0  2007/12/09 18:23:12 33 13.8 N 116 12.6 W 12.0   12 km ( 8 mi)  NW of Ocotillo Wells, CA
10293921  2.1  2007/12/09 20:44:22 32 11.8 N 115 52.6 W  5.9   61 km (38 mi)  S of Ocotillo, CA
10293925  2.5  2007/12/09 21:37:29 32 29.7 N 115 13.8 W 26.0   31 km (20 mi)  SE of Calexico, CA
10293977  2.1  2007/12/10 03:33:47 32 44.7 N 116  5.1 W  0.0    9 km ( 5 mi)  W of Ocotillo, CA
10293989  2.0  2007/12/10 06:43:38 32 41.3 N 116 50.4 W 16.1   16 km (10 mi)  SE of El Cajon, CA
10294037  2.6  2007/12/10 13:03:51 33 47.4 N 118 33.9 W 14.0   13 km ( 8 mi)  W of Palos Verdes Point, CA
Felt in the South Bay region
10294093  2.4  2007/12/10 18:56:17 33 57.3 N 118 53.8 W 14.9   10 km ( 6 mi)  WSW  of Pt. Dume, CA
10294281  2.5  2007/12/11 22:35:46 33  2.4 N 116  2.3 W  5.5   14 km ( 9 mi)  SE of Ocotillo Wells, CA
10294313  2.4  2007/12/12 05:19:14 34 10.5 N 116 49.8 W  2.6    8 km ( 5 mi)  N of Mt. San Gorgonio, CA
10294641  2.4  2007/12/13 10:30:20 34  8.7 N 117 34.8 W 12.7    4 km ( 3 mi)  NNE  of Rancho Cucamonga, CA 

This report covers the seven day period ending 16:00 on December 06, 2007. During this period we detected and analyzed 168 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
-------------------------------------------------------------------------------------------

14335688  2.0  2007/11/30 06:49:15 33 14.2 N 116 11.7 W  6.1   12 km ( 7 mi)  NNW  of Ocotillo Wells, CA
14335696  2.6  2007/11/30 10:09:37 34  2.8 N 117 15.5 W 12.6    0 km ( 0 mi)  W of Loma Linda, CA
Felt in Loma Linda
14335720  2.0  2007/11/30 13:38:38 32 11.7 N 115 52.5 W  8.7   61 km (38 mi)  S of Ocotillo, CA
14335812  2.3  2007/12/01 11:03:41 32  7.4 N 115 39.6 W 35.7   63 km (39 mi)  SSW  of Calexico, CA
14335828  2.1  2007/12/01 16:50:29 33 46.9 N 116 46.0 W 17.2    6 km ( 4 mi)  NW of Idyllwild, CA
14335836  2.7  2007/12/01 21:19:49 32 39.8 N 116  7.0 W  9.1   14 km ( 9 mi)  SW of Ocotillo, CA
Felt at Ocotillo
14335860  2.3  2007/12/02 00:27:46 36  4.1 N 117 51.7 W  0.0    8 km ( 5 mi)  ENE  of Coso Junction, CA
10087234  2.7  2007/12/02 00:28:13 36  4.0 N 117 51.9 W  0.0    8 km ( 5 mi)  ENE  of Coso Junction, CA
14335880  2.3  2007/12/02 02:22:35 36  4.0 N 117 51.6 W  3.4    8 km ( 5 mi)  ENE  of Coso Junction, CA
14335892  2.1  2007/12/02 05:55:50 32 54.6 N 115 31.7 W 18.0    6 km ( 4 mi)  S of Brawley, CA
14336096  2.2  2007/12/04 01:11:11 35 17.5 N 119 36.7 W  4.2   22 km (14 mi)  NW of Taft, CA
14336100  2.2  2007/12/04 02:07:51 35  3.1 N 118 24.8 W  9.6    9 km ( 6 mi)  SSE  of Tehachapi, CA
14336124  2.0  2007/12/04 08:29:13 35 50.4 N 117 41.7 W  4.3   24 km (15 mi)  N of Ridgecrest, CA
14336148  3.0  2007/12/04 09:29:35 32 39.9 N 116  7.1 W  9.6   14 km ( 9 mi)  WSW  of Ocotillo, CA
Felt at Ocotillo
14336152  2.0  2007/12/04 10:23:50 33  0.4 N 115 50.8 W  5.2   21 km (13 mi)  W of Westmorland, CA
14336208  2.5  2007/12/04 23:02:51 32 45.1 N 115 32.4 W 14.8    5 km ( 3 mi)  SSE  of El Centro, CA
Felt in El Centro and surrounding area
14336248  2.8  2007/12/05 05:09:35 32  8.9 N 115 54.8 W  6.6   66 km (41 mi)  S of Ocotillo, CA
14336292  2.1  2007/12/05 09:19:30 33 19.0 N 116 20.0 W 12.5    8 km ( 5 mi)  NNE  of Borrego Springs, CA
10293309  2.0  2007/12/06 04:49:59 34 13.8 N 116 50.0 W  0.3    4 km ( 3 mi)  SSE  of Big Bear City, CA