Not exactly in Southern California, but felt by quite a few here –
mostly in Imperial and San Diego Counties – a M5.2 earthquake occurred
in Baja California at 11:32 am today. Locally referenced it was located 29 miles
south-southeast of Calexico, California. The focal mechanism for the event
shows strike-slip movement along the fault. Also interesting to mention, this
is the largest sized earthquake “we’ve” had in that area since 1987 when there
was a M5.4. Regarding today’s earthquake we’ve had, so far, one M4.1
aftershock (at 12:33 pm)
and about a dozen greater or equal to M3.0.
As of yet, I have received no reports of the M4.1 being felt.
February 26, 2002
February 22, 2002
Commentary
Comments Off
February 21, 2002
Commentary
Southern California Earthquakes in the Past Week
Nick Scheckel ,
Seismological Laboratory
Lucy Jones,
U. S. Geological Survey
California Institute of Technology
February 21, 2002
Nick Scheckel ,
Seismological Laboratory
Lucy Jones,
U. S. Geological Survey
California Institute of Technology
February 21, 2002
The time period covered is 4 pm on Thursday, February 14 (PST)
through 4 pm on Thursday, February 21 (PST). During this period
we dectected and analysed 174 earthquakes. Click
here to see a map.
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
-------------------------------------------------------------------------------------------
12451620 2.9 2002/02/16 11:36:15 35 38.1 N 116 17.3 W 7.0 38 km (24 mi) S of Shoshone, CA
12451628 2.9 2002/02/16 12:10:34 35 10.2 N 119 24.0 W 20.5 6 km ( 3 mi) NE of Taft, CA
12451668 2.1 2002/02/16 15:15:04 33 9.6 N 115 38.1 W 4.2 1 km ( 1 mi) S of Obsidian Butte, CA
12455464 3.0 2002/02/18 15:05:34 32 18.6 N 115 16.8 W 29.3 45 km (28 mi) SSE of Calexico, CA
12455484 3.3 2002/02/18 16:30:39 32 15.6 N 115 14.9 W 7.0 51 km (32 mi) SSE of Calexico, CA
12455540 2.1 2002/02/18 21:53:09 36 59.1 N 117 52.1 W 7.0 36 km (22 mi) NE of Independence, CA
12455620 2.2 2002/02/19 08:50:52 34 21.9 N 116 7.6 W 6.0 26 km (16 mi) NNW of Twentynine Palms, CA
12455672 2.1 2002/02/19 11:22:45 36 11.2 N 117 53.3 W 2.7 15 km ( 9 mi) SE of Olancha, CA
9504538 2.2 2002/02/19 11:23:04 36 10.8 N 117 54.1 W 2.4 15 km ( 9 mi) SE of Olancha, CA
12455852 2.7 2002/02/20 05:06:37 34 21.5 N 118 40.4 W 13.2 9 km ( 6 mi) NNE of Simi Valley, CA
12456028 2.7 2002/02/20 20:00:31 33 59.9 N 118 21.3 W 13.0 2 km ( 1 mi) ESE of Baldwin Hills, CA
12456160 3.2 2002/02/21 10:27:25 32 33.9 N 115 46.5 W 5.6 28 km (17 mi) SE of Ocotillo, CA
12456188 2.2 2002/02/21 12:00:51 34 18.5 N 116 55.7 W 6.6 7 km ( 5 mi) NNW of town of Big Bear Lake, CA
-------------------------------------------------------------------------------------------
Comments Off
February 15, 2002
Commentary
Southern California Earthquakes in the Past Week
Kate Hutton ,
Seismological Laboratory
Lucy Jones,
U. S. Geological Survey
California Institute of Technology
February 15, 2002
Kate Hutton ,
Seismological Laboratory
Lucy Jones,
U. S. Geological Survey
California Institute of Technology
February 15, 2002
The time period covered is 4 pm on Thursday, February 7 (PST)
through 4 pm on Thursday, February 14 (PST). During this period
we dectected and analysed 188 earthquakes. Click
here to see a map.
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. Local Date Local Time Lat. Long. Depth Descriptive location
-------------------------------------------------------------------------------------------
9758433 2.1 2002/02/07 18:14:51 34 37.9 N 116 38.4 W 8.5 35 km (22 mi) NE of Lucerne Valley, CA
9758449 2.5 2002/02/07 22:00:14 33 27.7 N 115 47.5 W 11.0 14 km ( 8 mi) NNW of Bombay Beach, CA
9758581 2.2 2002/02/08 05:59:17 32 18.9 N 114 56.9 W 7.0 52 km (33 mi) SW of Yuma, AZ
9758589 2.4 2002/02/08 06:37:41 33 27.7 N 115 48.0 W 10.4 14 km ( 9 mi) NNW of Bombay Beach, CA
9758677 2.5 2002/02/08 10:52:09 36 26.8 N 117 52.1 W 7.7 22 km (14 mi) NNE of Olancha, CA
12443932 2.6 2002/02/08 13:15:11 35 58.7 N 118 20.6 W 5.6 36 km (23 mi) WSW of Coso Junction, CA
12447436 3.7 2002/02/08 18:42:20 32 18.0 N 117 42.2 W 7.0 68 km (42 mi) SW of Mission Beach, CA
FELT in San Diego area
12447464 1.9 2002/02/08 23:01:59 34 52.6 N 116 20.9 W 4.3 50 km (31 mi) SSW of Baker, CA
12447468 2.1 2002/02/08 23:26:40 32 32.0 N 115 46.8 W 2.2 30 km (19 mi) SE of Ocotillo, CA
12447492 2.2 2002/02/09 03:43:49 36 11.6 N 117 53.1 W 5.6 15 km ( 9 mi) SE of Olancha, CA
12447496 2.3 2002/02/09 03:49:37 32 37.6 N 115 53.9 W 7.5 15 km ( 9 mi) SE of Ocotillo, CA
12447520 2.1 2002/02/09 08:03:15 34 43.2 N 116 18.5 W 2.2 64 km (40 mi) SSW of Baker, CA
12447640 2.4 2002/02/10 00:00:24 32 8.3 N 115 48.1 W 7.0 66 km (41 mi) SSW of Calexico, CA
12447708 2.2 2002/02/10 09:07:30 33 13.4 N 116 4.8 W 6.3 10 km ( 6 mi) NNE of Ocotillo Wells, CA
12447716 1.9 2002/02/10 09:39:32 32 20.1 N 115 7.3 W 7.0 51 km (32 mi) SE of Calexico, CA
12447740 2.0 2002/02/10 11:09:05 32 36.9 N 115 48.3 W 5.5 22 km (14 mi) SE of Ocotillo, CA
12447824 2.1 2002/02/10 20:32:42 33 17.0 N 116 9.6 W 4.4 16 km (10 mi) N of Ocotillo Wells, CA
12447868 2.6 2002/02/11 02:20:55 32 30.7 N 115 44.5 W 3.0 29 km (18 mi) SW of Calexico, CA
12447892 2.0 2002/02/11 05:30:06 36 4.2 N 117 50.4 W 3.7 10 km ( 6 mi) ENE of Coso Junction, CA
12447976 2.5 2002/02/11 13:36:27 32 6.3 N 116 25.5 W 7.0 76 km (48 mi) SE of San Ysidro, CA
12448012 2.3 2002/02/11 15:20:15 35 15.7 N 118 36.7 W 7.7 21 km (13 mi) ENE of Arvin, CA
12448124 2.0 2002/02/12 09:12:38 32 18.3 N 115 15.2 W 7.0 46 km (29 mi) SSE of Calexico, CA
12448132 2.1 2002/02/12 10:09:06 32 19.8 N 114 54.9 W 7.0 49 km (31 mi) SSW of Yuma, AZ
12448260 2.3 2002/02/12 16:06:07 32 5.0 N 116 21.8 W 7.0 80 km (50 mi) SSW of Ocotillo, CA
12448412 2.0 2002/02/13 13:20:13 32 18.0 N 115 4.3 W 7.0 57 km (35 mi) SE of Calexico, CA
12448480 2.2 2002/02/14 00:41:30 32 6.3 N 115 31.2 W 7.0 63 km (39 mi) S of Calexico, CA
12448512 2.1 2002/02/14 06:46:26 32 54.5 N 115 31.8 W 15.6 6 km ( 4 mi) S of Brawley, CA
-------------------------------------------------------------------------------------------
Comments Off
February 8, 2002
Commentary
An offshore quake was felt early this evening. It was a magnitude
M3.5, and the epicenter was located 67 miles west of San Diego.
People in Santee, Spring Valley, San Diego, and Chula Vista have
reported feeling it.
There were two other small quakes today that apparently went
unnoticed by the public: a M2.5 at 10:52 am, 14 miles east-northeast
of Olancha, and a M2.6 at 1:15 pm, located 25 miles north-northeast
of Lake Isabella.
Comments Off
Commentary
We have had a few small quakes along the northeastern shore of the
Salton Sea (the San Andreas side). The real-time system has detected
five of these events so far, including a M2.5 at 2:00 pm yesterday
and a M2.4 at 6:37 am today. The location is about 9 miles
north-northwest of Bombay Beach or 9 miles east-southeast of North
Shore.
Comments Off
Commentary
Southern California Earthquakes in the Past Week
Kate Hutton ,
Seismological Laboratory
Lucy Jones,
U. S. Geological Survey
California Institute of Technology
February 8, 2002
Kate Hutton ,
Seismological Laboratory
Lucy Jones,
U. S. Geological Survey
California Institute of Technology
February 8, 2002
The time period covered is 4 pm on Thursday, January 31 (PST)
through 4 pm on Thursday, February 7 (PST). During this period
we dectected and analysed 241 earthquakes. Click
here to see a map.
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. Local Date Local Time Lat. Long. Depth Descriptive location
-------------------------------------------------------------------------------------------
12359428 2.6 2002/02/01 14:33:02 32 23.9 N 115 5.8 W 7.0 48 km (30 mi) SE of Calexico, CA
12371444 2.5 2002/02/01 17:07:02 33 34.8 N 117 12.9 W 12.4 14 km ( 9 mi) SE of Lake Elsinore, CA
12371456 2.0 2002/02/01 17:55:06 33 15.6 N 116 2.1 W 2.7 7 km ( 4 mi) WSW of Salton City, CA
12375432 2.3 2002/02/01 18:50:26 34 18.0 N 116 3.6 W 0.2 18 km (11 mi) N of Twentynine Palms, CA
12375452 2.1 2002/02/01 19:41:17 33 11.1 N 115 36.4 W 1.6 3 km ( 2 mi) ENE of Obsidian Butte, CA
12379440 2.6 2002/02/02 04:35:17 34 21.7 N 116 40.7 W 4.2 19 km (12 mi) NE of Big Bear City, CA
12379476 2.7 2002/02/02 08:18:03 34 43.6 N 116 18.2 W 3.7 64 km (39 mi) SSW of Baker, CA
12379512 2.0 2002/02/02 10:02:21 34 26.5 N 119 10.3 W 16.7 7 km ( 4 mi) E of Ojai, CA
12379520 2.2 2002/02/02 10:46:45 34 43.5 N 116 18.1 W 4.3 64 km (39 mi) SSW of Baker, CA
12379532 2.6 2002/02/02 11:00:53 34 25.5 N 116 28.4 W 4.7 34 km (21 mi) N of Yucca Valley, CA
12383432 2.9 2002/02/02 15:07:25 36 32.2 N 116 34.3 W 5.6 27 km (17 mi) ENE of Furnace Creek, CA
12383456 2.4 2002/02/02 16:53:00 32 27.7 N 115 27.3 W 7.0 23 km (14 mi) S of Calexico, CA
12391472 2.0 2002/02/03 00:33:26 36 3.5 N 117 52.1 W 2.4 7 km ( 5 mi) ENE of Coso Junction, CA
12399432 2.2 2002/02/03 06:05:10 34 39.7 N 116 17.5 W 5.0 58 km (36 mi) N of Joshua Tree, CA
12403436 2.5 2002/02/03 08:16:47 32 10.4 N 117 9.4 W 6.0 43 km (27 mi) SSW of San Ysidro, CA
12407440 2.0 2002/02/03 13:11:23 36 3.7 N 117 52.2 W 1.9 7 km ( 4 mi) ENE of Coso Junction, CA
12411464 2.7 2002/02/03 18:10:31 35 20.5 N 118 9.2 W 7.0 30 km (19 mi) NW of California City, CA
12415448 3.6 2002/02/03 20:39:10 33 2.8 N 116 26.4 W 16.1 15 km (10 mi) ESE of Julian, CA
FELT from U.S./Mex border to Temecula, Indio - peak MMI IV
12419436 2.1 2002/02/04 03:00:21 34 2.4 N 116 42.5 W 13.1 12 km ( 7 mi) W of Morongo Valley, CA
12423432 2.0 2002/02/04 03:42:01 34 56.2 N 118 44.6 W 5.2 17 km (11 mi) E of Grapevine, CA
9757301 2.6 2002/02/04 22:16:28 33 42.3 N 116 45.9 W 16.9 7 km ( 4 mi) SW of Idyllwild, CA
9757573 2.0 2002/02/05 17:57:42 33 8.8 N 115 59.0 W 9.2 14 km ( 9 mi) E of Ocotillo Wells, CA
9757577 2.2 2002/02/05 18:24:30 33 3.1 N 116 26.2 W 17.0 15 km (10 mi) ESE of Julian, CA
Felt in Descanso
9757601 2.2 2002/02/05 22:00:12 34 21.9 N 118 40.6 W 13.1 10 km ( 6 mi) NNE of Simi Valley, CA
9757741 2.4 2002/02/06 12:57:51 33 3.0 N 116 26.4 W 16.9 15 km ( 9 mi) ESE of Julian, CA
9757821 2.1 2002/02/06 16:12:58 32 32.3 N 115 45.6 W 4.0 29 km (18 mi) WSW of Calexico, CA
9758113 3.4 2002/02/06 21:29:31 34 6.5 N 116 42.3 W 7.4 11 km ( 7 mi) E of Mt. San Gorgonio, CA
FELT from Indio to Big Bear area
9758141 2.6 2002/02/07 00:10:55 34 21.6 N 118 40.4 W 15.6 10 km ( 6 mi) NNE of Simi Valley, CA
9758145 2.8 2002/02/07 00:11:07 34 21.7 N 118 40.5 W 15.7 10 km ( 6 mi) NNE of Simi Valley, CA
FELT in west San Fernando Valley, Simi and Castaic area - peak MMI III
9758149 2.8 2002/02/07 00:22:39 34 21.7 N 118 40.0 W 14.9 10 km ( 6 mi) NNE of Simi Valley, CA
FELT in west San Fernando Valley, Simi and Castaic area
9758157 2.9 2002/02/07 00:31:41 34 21.7 N 118 40.0 W 14.0 10 km ( 6 mi) NNE of Simi Valley, CA
FELT in west San Fernando Valley, Simi and Castaic area - peak MMI III
9758185 2.2 2002/02/07 03:56:25 34 21.9 N 118 40.7 W 15.3 10 km ( 6 mi) NNE of Simi Valley, CA
9758265 2.6 2002/02/07 05:58:02 36 22.9 N 116 53.0 W 4.3 8 km ( 5 mi) SSW of Furnace Creek, CA
9758349 2.4 2002/02/07 11:49:42 36 3.4 N 117 52.3 W 3.6 7 km ( 4 mi) E of Coso Junction, CA
9758385 2.2 2002/02/07 14:23:35 34 24.2 N 116 10.0 W 5.3 31 km (20 mi) NNW of Twentynine Palms, CA
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Comments Off
February 7, 2002
Commentary
A few more small quakes occurred overnight in the Simi Valley
cluster. Events that might have been felt include: a M2.6 just
before 12:11 am, a M2.8 just after 12:11 am, a M2.7 at 12:22 am,
and a M2.8 at 12:31 am. These quakes were located about 6 miles
north-northeast of Simi Valley. The M2.8’s and the M2.7 were felt
in the west Valley area (Chatsworth, Thousdand Oaks, Woodland Hills,
etc.), the Castaic area, and Simi Valley, with a peak intensity of
about MMI III.
The quake at 9:29 pm last night near Mt. San Gorgonio was felt in
Palm Springs, Desert Hot Springs, the Big Bear area, Morongo Valley,
and Indio.
Comments Off
February 6, 2002
Commentary
At 9:29 pm this evening, a M3.4 quake occurred 6 miles east of Mt.
San Gorgonio, or 22 miles north-northwest of Palm Springs. Due to
its size, it might have been felt, but we don’t have any reports yet.
Comments Off
February 4, 2002
Commentary
A M3.7 quake occurred last night at 8:39 pm, 9 miles east-southeast
of Julian. It was reported felt from the U.S./Mexico border as far
north as Temecula and Indio, with a peak intensity of MMI IV. It
has had six very small aftershocks
so far, the largest one being M1.5. This small sequence is taking
place in the complex Elsinore fault zone.
Comments Off
Commentary
A small quake was felt early yesterday afternoon in Orange County.
It occurred at 12:17 pm, had a magnitude of M2.3, and was located
2 miles west of Yorba Linda. The quake was felt in Fullerton,
Anaheim, and Placentia.
Slightly earlier, at 11:48 am, there was a M3.2 in the Death Valley
area, 13 miles east-northeast of Telescope Peak or 26 miles west of
Death Valley Junction. No-one reported feeling that one.