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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) (33 quakes)

 | latest | archive: show
Earthquake depth plot Updated: Tue, 23 May 03:15 UTC (GMT)
TimeMag. / DepthDistanceLocationMapSource
Mon, 22 May (8 earthquakes)
Mon, 22 May 17:36 UTCM 0.3 / 4.7 km - [info]Long Valley (7 km) - California- Long Valley area, California
[Map]
USGS
Mon, 22 May 17:19 UTCM 2.1 / 5 km - [info]Long Valley (8 km) - CaliforniaLONG VALLEY AREA, CALIFORNIA
[Map]
EMSC
Mon, 22 May 10:55 UTCM 0.2 / 3.6 km - [info]Mammoth Mountain (5 km) - California, USA- Long Valley area, California
[Map]
USGS
Mon, 22 May 09:57 UTCM 0.4 / 3.2 km - [info]Long Valley (4 km) - California- Long Valley area, California
[Map]
USGS
Mon, 22 May 07:48 UTCM 0.1 / 0.4 km - [info]Long Valley (15 km) - California- 12km SE of Mammoth Lakes, California
[Map]
USGS
Mon, 22 May 06:58 UTCM 0.7 / 3 km - [info]Long Valley (3 km) - California- 11km ENE of Mammoth Lakes, California
[Map]
USGS
Mon, 22 May 06:33 UTCM 0.7 / 4.8 km - [info]Long Valley (15 km) - California- 13km SE of Mammoth Lakes, California
[Map]
USGS
Mon, 22 May 02:24 UTCM 0.6 / 4.7 km - [info]Long Valley (5 km) - California- 10km E of Mammoth Lakes, California
[Map]
USGS
Sun, 21 May
Sun, 21 May 22:20 UTCM 0.7 / 5.3 km - [info]Long Valley (15 km) - California- 13km SE of Mammoth Lakes, California
[Map]
USGS
Sun, 21 May 19:03 UTCM 0.4 / 0.6 km - [info]Long Valley (13 km) - California- 14km ESE of Mammoth Lakes, California
[Map]
USGS
Sat, 20 May (6 earthquakes)
Sat, 20 May 21:53 UTCM 1.7 / 6.4 km - [info]Long Valley (9 km) - California- 19km ENE of Mammoth Lakes, California
[Map]
USGS
Sat, 20 May 21:51 UTCM 0.5 / 9.4 km - [info]Long Valley (9 km) - California- 19km ENE of Mammoth Lakes, California
[Map]
USGS
Sat, 20 May 16:41 UTCM 1.6 / 1.9 km - [info]Long Valley (3 km) - California- 8km ENE of Mammoth Lakes, California
[Map]
USGS
Sat, 20 May 09:49 UTCM 0.8 / 7.4 km - [info]Long Valley (17 km) - California- 14km SE of Mammoth Lakes, California
[Map]
USGS
Sat, 20 May 08:56 UTCM 1.2 / 3.7 km - [info]Mammoth Mountain (24 km) - California, USA- 21km SSE of Mammoth Lakes, California
[Map]
USGS
Sat, 20 May 08:43 UTCM 2.0 / 3.8 km - [info]Long Valley (24 km) - California- 21km SSE of Mammoth Lakes, California
[Map]
USGS
Fri, 19 May (8 earthquakes)
Fri, 19 May 16:47 UTCM 0.6 / 5.3 km - [info]Mammoth Mountain (17 km) - California, USA- 15km SE of Mammoth Lakes, California
[Map]
USGS
Fri, 19 May 12:25 UTCM 0.4 / 1.2 km - [info]Long Valley (13 km) - California- 12km SE of Mammoth Lakes, California
[Map]
USGS
Fri, 19 May 10:31 UTCM 0.4 / 2.9 km - [info]Long Valley (22 km) - California- 19km SE of Mammoth Lakes, California
[Map]
USGS
Fri, 19 May 10:30 UTCM 0.9 / 2.7 km - [info]Long Valley (25 km) - California- 22km SSE of Mammoth Lakes, California
[Map]
USGS
Fri, 19 May 09:41 UTCM 0.8 / 1.7 km - [info]Mammoth Mountain (23 km) - California, USA- 21km SSE of Mammoth Lakes, California
[Map]
USGS
Fri, 19 May 06:18 UTCM 0.2 / 3.8 km - [info]Mammoth Mountain (18 km) - California, USA- 15km SSE of Mammoth Lakes, California
[Map]
USGS
Fri, 19 May 03:29 UTCM 0.6 / 2.7 km - [info]Long Valley (9 km) - California- 13km ESE of Mammoth Lakes, California
[Map]
USGS
Fri, 19 May 00:19 UTCM 1.3 / 4.2 km - [info]Mammoth Mountain (18 km) - California, USA- 15km SE of Mammoth Lakes, California
[Map]
USGS
Thu, 18 May (6 earthquakes)
Thu, 18 May 22:07 UTCM 0.2 / 5.3 km - [info]Long Valley (7 km) - California- 8km E of Mammoth Lakes, California
[Map]
USGS
Thu, 18 May 21:09 UTCM 0.8 / 9.2 km - [info]Long Valley (7 km) - California- 9km ESE of Mammoth Lakes, California
[Map]
USGS
Thu, 18 May 20:54 UTCM 1.1 / 5.8 km - [info]Long Valley (26 km) - California- 24km SE of Mammoth Lakes, California
[Map]
USGS
Thu, 18 May 15:35 UTCM 0.6 / 5.7 km - [info]Long Valley (7 km) - California- 8km E of Mammoth Lakes, California
[Map]
USGS
Thu, 18 May 08:55 UTCM 0.2 / 4.9 km - [info]Long Valley (7 km) - California- 7km E of Mammoth Lakes, California
[Map]
USGS
Thu, 18 May 04:35 UTCM 0.2 / 2.5 km - [info]Mammoth Mountain (17 km) - California, USA- 14km SSE of Mammoth Lakes, California
[Map]
USGS
Wed, 17 May
Wed, 17 May 12:58 UTCM 0.4 / 0.4 km - [info]Long Valley (22 km) - California- 20km SE of Mammoth Lakes, California
[Map]
USGS
Wed, 17 May 12:50 UTCM 0.5 / 2.7 km - [info]Long Valley (6 km) - California- 6km E of Mammoth Lakes, California
[Map]
USGS
Tue, 16 May
Tue, 16 May 11:52 UTCM 0.2 / 5.3 km - [info]Long Valley (18 km) - California- 17km SE of Mammoth Lakes, California
[Map]
USGS
 

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