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Latest news:
Map of recent quakes at the Long Valley caldera (California)
Friday, Jul 19, 2013
Normal seismic activity with numerous tiny earthquakes continues to occur at the southern and western parts of the caldera as well as under Mammoth mountain. There are no signs of a possible eruption in a near future. [more]
Location of yesterday's 3.8 earthquake
Sunday, Mar 31, 2013
Some felt earthquakes have occurred recently along the southern boundary of Long Valley Caldera, the latest a 3.8 magnitude quakes yesterday. This is not unusual for the volcanic system and does not mean any volcanic eruption should be expected in a near future. The alert status remains green (normal). [more]
Simplified geologic map for Long Valley Caldera and the Mono-Inyo Craters volcanic chain (based on Bailey, 1989) CD, Casa Diablo; HC Hot Cree; HCF Hiloton Creek Fault; HSF, Hartley Springs Fault; LCF, Laurel Creek Fault; MLF, Mono Lake Fault; SLF, Silver Lake Fault; WCF, Wheeler Crest Fault. (source: USGS)
Simplified geologic map for Long Valley Caldera and the Mono-Inyo Craters volcanic chain (based on Bailey, 1989) CD, Casa Diablo; HC Hot Cree; HCF Hiloton Creek Fault; HSF, Hartley Springs Fault; LCF, Laurel Creek Fault; MLF, Mono Lake Fault; SLF, Silver Lake Fault; WCF, Wheeler Crest Fault. (source: USGS)
 

Long Valley volcano

caldera 3390 m / 11,122 ft, California, 37.7°N / -118.87°W
Nearby recent earthquakes (within 30km radius):

Earthquake list: past 7 days (only M>=-0.8) (58 quakes)

 | latest | archive: show
Earthquake depth plot Updated: Mon, 24 Apr 01:37 UTC (GMT)
TimeMag. / DepthDistanceLocationMapSource
Sun, 23 Apr
Sun, 23 Apr 14:16 UTCM 1.8 / 8.4 km - [info]Long Valley (18 km) - California- 20km ESE of Mammoth Lakes, California
[Map]
USGS
Sun, 23 Apr 13:32 UTCM 1.6 / 8.2 km - [info]Long Valley (18 km) - California- 20km ESE of Mammoth Lakes, California
[Map]
USGS
Sat, 22 Apr
Sat, 22 Apr 04:41 UTCM 1.0 / 3.6 km - [info]Long Valley (10 km) - California- 12km ESE of Mammoth Lakes, California
[Map]
USGS
Fri, 21 Apr
Fri, 21 Apr 07:48 UTCM 1.0 / 8.1 km - [info]Long Valley (26 km) - California- 25km SE of Mammoth Lakes, California
[Map]
USGS
Fri, 21 Apr 00:36 UTCM 0.8 / 2.8 km - [info]Long Valley (26 km) - California- 25km SE of Mammoth Lakes, California
[Map]
USGS
Thu, 20 Apr (9 earthquakes)
Thu, 20 Apr 17:55 UTCM 0.6 / 2 km - [info]Mammoth Mountain (9 km) - California, USA- Central California
[Map]
USGS
Thu, 20 Apr 16:41 UTCM 0.5 / 0.3 km - [info]Long Valley (8 km) - California- 5km ESE of Mammoth Lakes, California
[Map]
USGS
Thu, 20 Apr 16:36 UTCM 1.2 / 5.5 km - [info]Long Valley (26 km) - California- 25km SE of Mammoth Lakes, California
[Map]
USGS
Thu, 20 Apr 15:12 UTCM 1.2 / 9.6 km - [info]Long Valley (11 km) - California- 13km ESE of Mammoth Lakes, California
[Map]
USGS
Thu, 20 Apr 13:22 UTCM 0.2 / 3 km - [info]Long Valley (10 km) - California- 13km ESE of Mammoth Lakes, California
[Map]
USGS
Thu, 20 Apr 05:54 UTCM 1.0 / 6 km - [info]Long Valley (26 km) - California- 24km SE of Mammoth Lakes, California
[Map]
USGS
Thu, 20 Apr 04:05 UTCM 0.2 / 3.9 km - [info]Long Valley (7 km) - California- 11km E of Mammoth Lakes, California
[Map]
USGS
Thu, 20 Apr 02:38 UTCM 0.5 / 2.7 km - [info]Long Valley (5 km) - California- 9km E of Mammoth Lakes, California
[Map]
USGS
Thu, 20 Apr 01:21 UTCM 0.3 / 3.5 km - [info]Long Valley (10 km) - California- 12km ESE of Mammoth Lakes, California
[Map]
USGS
Wed, 19 Apr (9 earthquakes)
Wed, 19 Apr 21:40 UTCM 1.5 / 1.6 km - [info]Long Valley (8 km) - California- 5km ESE of Mammoth Lakes, California
[Map]
USGS
Wed, 19 Apr 20:53 UTCM 0.7 / 4.9 km - [info]Long Valley (10 km) - California- 12km ESE of Mammoth Lakes, California
[Map]
USGS
Wed, 19 Apr 18:47 UTCM 0.2 / 0.3 km - [info]Long Valley (4 km) - California- 9km E of Mammoth Lakes, California
[Map]
USGS
Wed, 19 Apr 04:35 UTCM 0.3 / 3.5 km - [info]Long Valley (5 km) - California- 9km E of Mammoth Lakes, California
[Map]
USGS
Wed, 19 Apr 04:29 UTCM 0.6 / 5.1 km - [info]Long Valley (6 km) - California- 10km E of Mammoth Lakes, California
[Map]
USGS
Wed, 19 Apr 04:12 UTCM 0.7 / 4.7 km - [info]Long Valley (16 km) - California- 13km SE of Mammoth Lakes, California
[Map]
USGS
Wed, 19 Apr 04:09 UTCM 0.3 / 4.6 km - [info]Long Valley (10 km) - California- 12km ESE of Mammoth Lakes, California
[Map]
USGS
Wed, 19 Apr 01:26 UTCM 0.6 / 5 km - [info]Mammoth Mountain (6 km) - California, USA- 1km SSE of Mammoth Lakes, California
[Map]
USGS
Wed, 19 Apr 01:06 UTCM 0.6 / 4.4 km - [info]Long Valley (6 km) - California- 10km E of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr (30 earthquakes)
Tue, 18 Apr 22:45 UTCM 1.3 / 4.7 km - [info]Mammoth Mountain (8 km) - California, USA- 2km SE of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr 22:03 UTCM 0.7 / 4.6 km - [info]Long Valley (5 km) - California- 10km E of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr 21:59 UTCM 0.7 / 3.5 km - [info]Long Valley (5 km) - California- 10km E of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr 21:58 UTCM 1.2 / 5 km - [info]Long Valley (5 km) - California- 10km E of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr 21:58 UTCM 0.6 / 4.8 km - [info]Long Valley (5 km) - California- 10km E of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr 21:55 UTCM 1.0 / 4.9 km - [info]Long Valley (5 km) - California- 10km E of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr 21:55 UTCM 0.4 / 4.1 km - [info]Long Valley (5 km) - California- 10km E of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr 21:44 UTCM 0.5 / 3.8 km - [info]Long Valley (5 km) - California- 9km E of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr 21:31 UTCM 0.7 / 9.3 km - [info]Long Valley (6 km) - California- 11km E of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr 21:28 UTCM 0.8 / 5 km - [info]Long Valley (6 km) - California- 10km E of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr 21:28 UTCM 1.1 / 4.9 km - [info]Long Valley (5 km) - California- 10km E of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr 21:23 UTCM 0.5 / 4.9 km - [info]Long Valley (5 km) - California- 10km E of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr 21:21 UTCM 0.4 / 5.7 km - [info]Long Valley (6 km) - California- 10km E of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr 21:19 UTCM 0.4 / 5.3 km - [info]Long Valley (6 km) - California- 10km E of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr 21:19 UTCM 0.7 / 4.3 km - [info]Long Valley (6 km) - California- 10km E of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr 21:07 UTCM 0.4 / 4.6 km - [info]Long Valley (5 km) - California- 10km E of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr 21:06 UTCM 0.6 / 4.9 km - [info]Long Valley (5 km) - California- 10km E of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr 21:06 UTCM 0.3 / 2.7 km - [info]Long Valley (5 km) - California- Long Valley area, California
[Map]
USGS
Tue, 18 Apr 21:04 UTCM 0.2 / 4 km - [info]Long Valley (5 km) - California- 10km E of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr 21:00 UTCM 0.1 / 2.3 km - [info]Long Valley (10 km) - California- 10km ESE of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr 18:10 UTCM 0.3 / 4.8 km - [info]Long Valley (6 km) - California- 10km E of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr 13:56 UTCM 0.7 / 4.3 km - [info]Long Valley (9 km) - California- 3km ESE of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr 13:55 UTCM 0.4 / 4.3 km - [info]Long Valley (9 km) - California- 3km ESE of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr 10:51 UTCM 0.6 / 1.5 km - [info]Long Valley (18 km) - California- 19km SE of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr 09:37 UTCM 0.6 / 0.6 km - [info]Long Valley (16 km) - California- 17km ESE of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr 06:15 UTCM 0.5 / 7.6 km - [info]Long Valley (9 km) - California- 11km ESE of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr 06:15 UTCM 0.7 / 4.3 km - [info]Long Valley (10 km) - California- 12km ESE of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr 04:55 UTCM 0.3 / 4.5 km - [info]Long Valley (10 km) - California- 13km ESE of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr 03:26 UTCM 0.4 / 2 km - [info]Mammoth Mountain (20 km) - California, USA- 18km SSE of Mammoth Lakes, California
[Map]
USGS
Tue, 18 Apr 00:54 UTCM 0.5 / 3.4 km - [info]Mammoth Mountain (15 km) - California, USA- 12km SSE of Mammoth Lakes, California
[Map]
USGS
Mon, 17 Apr
Mon, 17 Apr 20:01 UTCM 0.2 / 4 km - [info]Long Valley (14 km) - California- 16km ESE of Mammoth Lakes, California
[Map]
USGS
Mon, 17 Apr 17:06 UTCM 0.7 / 2.5 km - [info]Mammoth Mountain (18 km) - California, USA- 16km SSE of Mammoth Lakes, California
[Map]
USGS
Mon, 17 Apr 11:55 UTCM 0.3 / 1 km - [info]Long Valley (11 km) - California- Long Valley area, California
[Map]
USGS
Mon, 17 Apr 10:38 UTCM 0.3 / 3.7 km - [info]Long Valley (19 km) - California- 19km SE of Mammoth Lakes, California
[Map]
USGS
Mon, 17 Apr 02:22 UTCM 0.1 / 0.9 km - [info]Long Valley (8 km) - California- 6km ESE of Mammoth Lakes, California
[Map]
USGS

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