A late Landers aftershock occurred at 4:58 am today, 16 miles north
of Yucca Valley. The magnitude was M3.3. The quake was felt in
Landers, Johnson Valley, Yucca Valley, and Palm Springs.
October 31, 2001
October 30, 2001
Commentary
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October 29, 2001
Commentary
A special report has just been posted for yesterday’s M3.7 quake in
Compton and its aftershocks. Here is a link to a
map of the sequence.
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October 26, 2001
Commentary
Southern California Earthquakes in the Past Week
Kate Hutton ,
Seismological Laboratory
Lucy Jones,
U. S. Geological Survey
California Institute of Technology
October 26, 2001
Kate Hutton ,
Seismological Laboratory
Lucy Jones,
U. S. Geological Survey
California Institute of Technology
October 26, 2001
The time period covered is 5 pm on Thursday, October 18 (PDT)
through 5 pm on Thursday, October 25 (PDT). During this period
we dectected and analysed 229 earthquakes. Click
here to see a map.
The table below lists the quakes during the past week
that were M2.5 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
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9714929 2.4 2001/10/19 01:11:58 33 12.9 N 115 36.1 W 4.2 6 km ( 4 mi) NNE of Obsidian Butte, CA
9714937 2.5 2001/10/19 01:47:17 33 55.7 N 116 50.9 W 4.6 3 km ( 2 mi) E of Banning, CA
9714965 2.1 2001/10/19 07:04:48 34 2.4 N 116 48.9 W 19.3 7 km ( 4 mi) S of Mt. San Gorgonio, CA
9715117 2.3 2001/10/20 01:00:14 33 46.0 N 116 4.4 W 4.8 14 km ( 9 mi) ENE of Indio, CA
9715161 2.0 2001/10/20 04:43:33 36 5.3 N 117 53.8 W 1.4 7 km ( 4 mi) NE of Coso Junction, CA
9715321 2.0 2001/10/21 00:33:00 36 0.8 N 117 48.8 W 1.4 13 km ( 8 mi) ESE of Coso Junction, CA
9715381 2.2 2001/10/21 10:14:56 36 21.3 N 118 1.4 W 7.0 8 km ( 5 mi) N of Olancha, CA
9715389 2.4 2001/10/21 11:14:16 32 8.6 N 115 47.0 W 7.0 64 km (40 mi) SSW of Calexico, CA
9715393 2.3 2001/10/21 11:26:20 32 20.5 N 115 15.0 W 7.0 43 km (27 mi) SSE of Calexico, CA
9715413 3.0 2001/10/21 17:28:57 34 3.4 N 118 23.8 W 10.8 2 km ( 1 mi) SSE of Beverly Hills, CA
FELT throughout northern LA Basin and San Fernando Valley
9715437 2.1 2001/10/21 18:36:40 33 52.6 N 116 46.1 W 16.0 5 km ( 3 mi) SSE of Cabazon, CA
9715477 2.2 2001/10/21 22:47:32 34 2.7 N 117 18.1 W 18.0 4 km ( 3 mi) W of Loma Linda, CA
9715537 2.2 2001/10/22 05:07:08 35 46.0 N 119 45.1 W 7.0 50 km (31 mi) E of Cholame, CA
9715621 2.3 2001/10/22 13:06:32 34 4.0 N 118 24.2 W 9.9 0 km ( 0 mi) SSW of Beverly Hills, CA
FELT in Beverly Hills area, West LA, and southern San Fernando Valley
9715641 2.9 2001/10/22 14:57:41 32 5.8 N 117 24.7 W 7.0 61 km (38 mi) SW of San Ysidro, CA
9715685 2.2 2001/10/22 19:23:07 34 9.9 N 116 24.1 W 11.9 7 km ( 4 mi) NE of Yucca Valley, CA
11739600 3.3 2001/10/23 13:57:04 32 5.8 N 117 24.2 W 7.0 61 km (38 mi) SSW of San Ysidro, CA
11739624 2.5 2001/10/23 15:25:13 34 4.1 N 118 24.2 W 9.8 0 km ( 0 mi) SW of Beverly Hills, CA
FELT in Beverly Hills area, West LA, and southern San Fernando Valley
9715901 2.0 2001/10/23 20:42:23 34 29.5 N 116 20.0 W 5.5 39 km (25 mi) N of Joshua Tree, CA
9715913 2.0 2001/10/23 22:06:07 33 14.6 N 116 18.2 W 11.4 7 km ( 4 mi) E of Borrego Springs, CA
9715917 2.0 2001/10/23 22:06:23 33 15.3 N 116 17.2 W 7.0 8 km ( 5 mi) E of Borrego Springs, CA
12024191 2.1 2001/10/23 22:06:35 33 14.7 N 116 17.5 W 8.5 8 km ( 5 mi) E of Borrego Springs, CA
9715921 2.4 2001/10/23 22:44:35 35 20.7 N 118 40.3 W 5.6 21 km (13 mi) NE of Arvin, CA
9716013 2.6 2001/10/24 11:27:56 34 2.5 N 117 15.1 W 14.4 1 km ( 1 mi) SSE of Loma Linda, CA
9716029 2.7 2001/10/24 12:57:13 34 9.1 N 117 42.9 W 12.5 5 km ( 3 mi) N of Claremont Colleges, CA
FELT in Claremeont, Rancho Cucamonga
9716037 2.1 2001/10/24 13:24:41 34 37.7 N 116 34.9 W 9.3 39 km (24 mi) ENE of Lucerne Valley, CA
9716065 2.2 2001/10/24 15:26:16 34 3.2 N 117 0.2 W 14.0 4 km ( 2 mi) NE of Yucaipa, CA
9716101 2.1 2001/10/24 18:51:52 32 22.4 N 115 11.8 W 7.0 43 km (27 mi) SE of Calexico, CA
9716117 2.7 2001/10/24 19:01:39 32 34.8 N 116 5.2 W 6.5 19 km (12 mi) SSW of Ocotillo, CA
9716129 2.2 2001/10/24 19:08:00 32 44.2 N 116 29.6 W 0.2 39 km (24 mi) SSE of Julian, CA
9716161 2.0 2001/10/24 22:27:16 35 55.8 N 117 43.0 W 4.0 24 km (15 mi) ESE of Coso Junction, CA
9716177 3.1 2001/10/24 23:41:45 33 17.2 N 118 40.9 W 5.6 29 km (18 mi) NNW of San Clemente Is.
FELT in Avalon
9716213 2.2 2001/10/25 07:02:45 33 18.3 N 116 20.3 W 13.4 7 km ( 4 mi) NNE of Borrego Springs, CA
9716245 2.9 2001/10/25 10:29:24 35 9.4 N 117 5.8 W 3.6 29 km (18 mi) SW of Goldstone Lake, CA
9716293 2.2 2001/10/25 14:57:02 33 42.3 N 118 11.9 W 9.5 8 km ( 5 mi) S of Long Beach, CA
FELT in Long Beach
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October 25, 2001
Commentary
A very small quake was felt this afternoon in Long Beach. The
epicenter was offshore, 5 miles south of Long Beach, and the magnitude
was M2.2.
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Commentary
There was a M2.9 quake at 10:29 am this morning, 19 miles
north-northwest of Barstow. Due to the sparse population in that
area, it is unlikely that anyone will report it as felt.
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Commentary
Our netword detected two M3.1’s last night: one at 9:43 pm in Mexico
52 miles south-southwest of Ocotillo, and the other at 11:41 pm 17
miles north-northwest of San Clemente Island. Neither has been
reported felt.
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October 24, 2001
Commentary
A pair of M2.6’s occurred mid-day today. The first occurred at 11:28
am, 1 miles south-southeast of Loma Linda, and was felt in Riverside.
The other happened at 12:57 pm, and was located 4 miles
north-northeast of Claremont. The latter quake was felt in Claremont
and Rancho Cucamonga.
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October 23, 2001
Commentary
A M2.4 quake has been felt in the northern Los Angeles basin. The
quake occurred at 3:25 pm, 1 mile south of Beverly Hills. It was an
aftershock of Sunday’s quake, which now has a magnitude of M3.0,
itself an aftershock of the September 9 M4.2. The quake was felt in
the epicentral area, as well as sothern San Fernando Valley and West
Los Angeles,
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October 22, 2001
Commentary
An aftershock to yesterday’s Beverly Hills/West Hollywood aftershock
was felt early this afternoon. Today’s quake had a magnitude of M2.2
and was located in Beverly Hills. We have “felt” reports from
Beverly Hills, Century City, Culver City, Los
Angeles, Studio City, Burbank, Sherman Oaks, Santa Monica, Venice,
and Redondo Beach.
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Commentary
There have been a few more quakes of interest late yesterday:
At 5:46 pm, there was a M2.9 located 8 miles southeast of Parkfield,
close to the San Andreas fault.
At 6:17 pm, a M3.0 occurred near Jacumba, 11 miles west-southwest of
Ocotillo. This quake was felt in Boulevard.
The big action, however, occurred just before midnight. At 11:57 pm,
there was a ML5.1 in the San Jacinto fault zone 9 miles east-southeast
of Anza. It was followed by a number of small aftershocks, the largest
of which had a magnitude of M2.8. The ML5.1 was felt as far as
Pasadena.