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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) (114 quakes)

 | latest | archive: show
Earthquake depth plotUpdated: Tue, 24 Apr 18:18 UTC (GMT)
TimeMag. / DepthDistanceLocationMapSource
Tue, 24 Apr
Tue, 24 Apr 15:25 UTCM 0.3 / 8.4 km - [info]Long Valley (11 km) - California- 10km ESE of Mammoth Lakes, CA
[Map]
USGS
Tue, 24 Apr 12:58 UTCM 1.1 / 4.9 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Tue, 24 Apr 11:56 UTCM 0.6 / 4 km - [info]Long Valley (14 km) - California- 12km W of Toms Place, CA
[Map]
USGS
Tue, 24 Apr 11:10 UTCM 0.4 / 6.1 km - [info]Long Valley (10 km) - California- 8km ESE of Mammoth Lakes, CA
[Map]
USGS
Tue, 24 Apr 10:49 UTCM 0.4 / 5.2 km - [info]Long Valley (5 km) - California- 7km E of Mammoth Lakes, CA
[Map]
USGS
Mon, 23 Apr (19 earthquakes)
Mon, 23 Apr 21:22 UTCM 0.6 / 8.4 km - [info]Long Valley (24 km) - California- 2km S of Toms Place, CA
[Map]
USGS
Mon, 23 Apr 21:12 UTCM 1.7 / 5.5 km - [info]Long Valley (9 km) - California- 10km ESE of Mammoth Lakes, CA
[Map]
USGS
Mon, 23 Apr 19:02 UTCM 0.3 / 5.1 km - [info]Long Valley (9 km) - California- 10km ESE of Mammoth Lakes, CA
[Map]
USGS
Mon, 23 Apr 16:40 UTCM 0.7 / 5.5 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Mon, 23 Apr 15:32 UTCM 0.9 / 5.2 km - [info]Long Valley (9 km) - California- 10km ESE of Mammoth Lakes, CA
[Map]
USGS
Mon, 23 Apr 15:27 UTCM 0.3 / 4.1 km - [info]Long Valley (9 km) - California- 8km ESE of Mammoth Lakes, CA
[Map]
USGS
Mon, 23 Apr 15:01 UTCM 0.3 / 4.7 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Mon, 23 Apr 14:31 UTCM 0.3 / 4.8 km - [info]Long Valley (9 km) - California- 10km ESE of Mammoth Lakes, CA
[Map]
USGS
Mon, 23 Apr 13:54 UTCM 0.7 / 5.1 km - [info]Long Valley (9 km) - California- 10km ESE of Mammoth Lakes, CA
[Map]
USGS
Mon, 23 Apr 13:47 UTCM 0.3 / 4 km - [info]Long Valley (10 km) - California- 10km ESE of Mammoth Lakes, CA
[Map]
USGS
Mon, 23 Apr 13:46 UTCM 0.3 / 5.1 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Mon, 23 Apr 13:12 UTCM 0.3 / 2.9 km - [info]Long Valley (11 km) - California- 14km WNW of Toms Place, CA
[Map]
USGS
Mon, 23 Apr 07:29 UTCM 0.1 / 6 km - [info]Long Valley (8 km) - California- 8km E of Mammoth Lakes, CA
[Map]
USGS
Mon, 23 Apr 04:51 UTCM 0.9 / 5.4 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Mon, 23 Apr 03:37 UTCM 1.2 / 3.9 km - [info]Long Valley (12 km) - California- 12km WNW of Toms Place, CA
[Map]
USGS
Mon, 23 Apr 03:12 UTCM 0.2 / 2.8 km - [info]Long Valley (10 km) - California- 7km ESE of Mammoth Lakes, CA
[Map]
USGS
Mon, 23 Apr 01:39 UTCM 0.4 / 4.5 km - [info]Long Valley (9 km) - California- 8km E of Mammoth Lakes, CA
[Map]
USGS
Mon, 23 Apr 00:57 UTCM 0.4 / 14.1 km - [info]Long Valley (7 km) - California- 11km E of Mammoth Lakes, CA
[Map]
USGS
Mon, 23 Apr 00:23 UTCM 1.0 / 5.6 km - [info]Long Valley (8 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr (62 earthquakes)
Sun, 22 Apr 23:24 UTCM 0.4 / 4.9 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 23:18 UTCM 0.3 / 4.5 km - [info]Long Valley (9 km) - California- 8km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 23:07 UTCM 0.6 / 5 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 22:15 UTCM 0.4 / 6 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 21:50 UTCM 1.2 / 5.4 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 21:46 UTCM 0.6 / 5.3 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 21:45 UTCM 0.9 / 5.7 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 21:44 UTCM 1.6 / 5.3 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 21:38 UTCM 2.4 / 5 km - [info]Long Valley (9 km) - CaliforniaLONG VALLEY AREA, CALIFORNIA
[Map]
EMSC
Sun, 22 Apr 21:33 UTCM 1.8 / 5.4 km - [info]Long Valley (9 km) - California- 10km ESE of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 20:44 UTCM 1.1 / 5.4 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 20:39 UTCM 0.9 / 6.2 km - [info]Long Valley (8 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 20:03 UTCM 0.9 / 5.8 km - [info]Long Valley (8 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 19:58 UTCM 2.6 / 5.5 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
I FELT IT
[Map]
USGS
Sun, 22 Apr 19:41 UTCM 0.7 / 0.4 km - [info]Long Valley (9 km) - California- 5km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 19:39 UTCM 1.5 / 5.3 km - [info]Long Valley (9 km) - California- 10km ESE of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 19:26 UTCM 1.1 / 5.7 km - [info]Long Valley (8 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 19:26 UTCM 1.1 / 5.7 km - [info]Long Valley (8 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 19:22 UTCM 0.4 / 4.6 km - [info]Long Valley (9 km) - California- 10km ESE of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 18:59 UTCM 0.8 / 4.5 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 18:52 UTCM 1.5 / 5.6 km - [info]Long Valley (9 km) - California- 10km ESE of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 18:50 UTCM 1.5 / 5.4 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 18:44 UTCM 1.8 / 5.5 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 18:40 UTCM 0.9 / 4.9 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 18:34 UTCM 1.8 / 5.3 km - [info]Long Valley (9 km) - California- 10km ESE of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 18:33 UTCM 0.9 / 5.4 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 18:33 UTCM 0.7 / 5 km - [info]Long Valley (8 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 18:30 UTCM 0.2 / 5.6 km - [info]Long Valley (8 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 18:21 UTCM 0.9 / 0.1 km - [info]Long Valley (15 km) - California- 13km SE of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 18:18 UTCM 2.0 / 5 km - [info]Long Valley (9 km) - CaliforniaLONG VALLEY AREA, CALIFORNIA
[Map]
EMSC
Sun, 22 Apr 18:11 UTCM 1.1 / 5.3 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 18:08 UTCM 1.5 / 5.4 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 18:06 UTCM 0.6 / 5.4 km - [info]Long Valley (8 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 18:00 UTCM 1.7 / 5.5 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 17:56 UTCM 1.1 / 5.2 km - [info]Long Valley (9 km) - California- 10km ESE of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 17:48 UTCM 1.1 / 5.5 km - [info]Long Valley (8 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 17:46 UTCM 1.1 / 4 km - [info]Long Valley (6 km) - California- 9km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 17:46 UTCM 0.6 / 5.9 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 17:44 UTCM 0.4 / 4.6 km - [info]Long Valley (9 km) - California- 9km ESE of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 17:42 UTCM 1.5 / 4.5 km - [info]Long Valley (8 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 17:41 UTCM 1.0 / 5.5 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 17:38 UTCM 1.5 / 5 km - [info]Long Valley (9 km) - California- 10km ESE of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 17:38 UTCM 1.1 / 5.7 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 17:36 UTCM 1.1 / 5.2 km - [info]Long Valley (9 km) - California- 10km ESE of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 17:35 UTCM 0.3 / 5.4 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 17:34 UTCM 1.1 / 5.2 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 17:34 UTCM 0.3 / 4.3 km - [info]Long Valley (8 km) - California- 9km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 17:31 UTCM 1.0 / 4.8 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 17:30 UTCM 0.3 / 5 km - [info]Long Valley (9 km) - California- 10km ESE of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 17:28 UTCM 1.2 / 5.6 km - [info]Long Valley (9 km) - California- 10km ESE of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 17:27 UTCM 2.0 / 5.2 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 17:20 UTCM 0.3 / 5.3 km - [info]Long Valley (8 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 17:19 UTCM 0.4 / 5.1 km - [info]Long Valley (9 km) - California- 10km ESE of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 17:18 UTCM 0.4 / 5.4 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 17:16 UTCM 0.8 / 5.2 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 17:15 UTCM 1.1 / 5.7 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 17:12 UTCM 1.0 / 4.9 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 17:07 UTCM 0.4 / 4.9 km - [info]Long Valley (9 km) - California- 10km ESE of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 16:04 UTCM 3.6 / 13.6 km - [info] (37 km)- 8km NNE of Round Valley, CA
I FELT IT
[Map]
USGS
Swall Meadows (8.5 km WNW from epicenter) / MMI III (Weak shaking)
Carson City (United States) (216 km NW from epicenter)(no details): Nettamente percepito al secondo piano. Tavolo si è mosso e con lui il video del pc e la lampada. (via EMSC)
Sun, 22 Apr 15:17 UTCM 0.7 / 8.3 km - [info]Long Valley (18 km) - California- 11km W of Toms Place, CA
[Map]
USGS
Sun, 22 Apr 11:57 UTCM 0.2 / 2.2 km - [info]Mammoth Mountain (0 km) - California, USA- 5km W of Mammoth Lakes, CA
[Map]
USGS
Sun, 22 Apr 11:16 UTCM 0.1 / 5.1 km - [info]Long Valley (9 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Sat, 21 Apr
Sat, 21 Apr 20:16 UTCM 1.1 / 1.7 km - [info]Long Valley (8 km) - California- 8km E of Mammoth Lakes, CA
[Map]
USGS
Sat, 21 Apr 16:11 UTCM 1.9 / 1.8 km - [info]Long Valley (9 km) - California- 8km E of Mammoth Lakes, CA
[Map]
USGS
Sat, 21 Apr 04:01 UTCM 1.3 / 8.1 km - [info]Long Valley (16 km) - California- 13km W of Toms Place, CA
[Map]
USGS
Sat, 21 Apr 02:03 UTCM 0.2 / 0.9 km - [info]Long Valley (12 km) - California- 13km ESE of Mammoth Lakes, CA
[Map]
USGS
Fri, 20 Apr
Fri, 20 Apr 05:26 UTCM 0.5 / 0.3 km - [info]Long Valley (5 km) - California- 13km ENE of Mammoth Lakes, CA
[Map]
USGS
Fri, 20 Apr 03:15 UTCM 0.6 / 5.8 km - [info]Long Valley (11 km) - California- 10km ESE of Mammoth Lakes, CA
[Map]
USGS
Fri, 20 Apr 02:00 UTCM 1.3 / 11.4 km - [info]Long Valley (29 km) - California- 10km SSW of Toms Place, CA
[Map]
USGS
Fri, 20 Apr 00:25 UTCM 1.7 / 14.7 km - [info]Long Valley (29 km) - California- 10km SSW of Toms Place, CA
[Map]
USGS
Thu, 19 Apr (6 earthquakes)
Thu, 19 Apr 22:14 UTCM 0.5 / 0.4 km - [info]Mammoth Mountain (0 km) - California, USA- 5km W of Mammoth Lakes, CA
[Map]
USGS
Thu, 19 Apr 21:09 UTCM 1.0 / 0.2 km - [info]Mammoth Mountain (2 km) - California, USA- 3km WSW of Mammoth Lakes, CA
[Map]
USGS
Thu, 19 Apr 10:05 UTCM 1.1 / 7 km - [info]Long Valley (12 km) - California- 13km ESE of Mammoth Lakes, CA
[Map]
USGS
Thu, 19 Apr 05:28 UTCM 0.3 / 2.3 km - [info]Long Valley (4 km) - California- 11km ENE of Mammoth Lakes, CA
[Map]
USGS
Thu, 19 Apr 04:47 UTCM 0.7 / 3.3 km - [info]Long Valley (16 km) - California- 13km SE of Mammoth Lakes, CA
[Map]
USGS
Thu, 19 Apr 03:56 UTCM 0.2 / 1.5 km - [info]Long Valley (15 km) - California- 14km W of Toms Place, CA
[Map]
USGS
Wed, 18 Apr (13 earthquakes)
Wed, 18 Apr 20:20 UTCM 1.1 / 12.9 km - [info]Long Valley (24 km) - California- 1km S of Toms Place, CA
[Map]
USGS
Wed, 18 Apr 19:27 UTCM 0.8 / 0.7 km - [info]Long Valley (15 km) - California- 13km W of Toms Place, CA
[Map]
USGS
Wed, 18 Apr 15:50 UTCM 0.7 / 2.4 km - [info]Long Valley (6 km) - California- 7km E of Mammoth Lakes, CA
[Map]
USGS
Wed, 18 Apr 14:01 UTCM 0.5 / 2.7 km - [info]Long Valley (16 km) - California- 13km W of Toms Place, CA
[Map]
USGS
Wed, 18 Apr 12:34 UTCM 0.2 / 4.2 km - [info]Long Valley (7 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Wed, 18 Apr 12:16 UTCM 0.7 / 6.2 km - [info]Long Valley (16 km) - California- 13km W of Toms Place, CA
[Map]
USGS
Wed, 18 Apr 11:55 UTCM 0.1 / 6.5 km - [info]Long Valley (7 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Wed, 18 Apr 11:53 UTCM 0.6 / 4.5 km - [info]Long Valley (7 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Wed, 18 Apr 11:38 UTCM 0.4 / 8.5 km - [info]Long Valley (7 km) - California- 9km E of Mammoth Lakes, CA
[Map]
USGS
Wed, 18 Apr 09:25 UTCM 0.4 / 4.6 km - [info]Long Valley (8 km) - California- 10km E of Mammoth Lakes, CA
[Map]
USGS
Wed, 18 Apr 08:48 UTCM 1.4 / 2.9 km - [info]Long Valley (14 km) - California- 13km ESE of Mammoth Lakes, CA
[Map]
USGS
Wed, 18 Apr 08:32 UTCM 1.3 / 2.9 km - [info]Long Valley (14 km) - California- 13km ESE of Mammoth Lakes, CA
[Map]
USGS
Wed, 18 Apr 02:39 UTCM 0.3 / 0.9 km - [info]Long Valley (4 km) - California- 12km ENE of Mammoth Lakes, CA
[Map]
USGS
Tue, 17 Apr
Tue, 17 Apr 22:29 UTCM 0.7 / 0.1 km - [info]Long Valley (16 km) - California- 13km SE of Mammoth Lakes, CA
[Map]
USGS
 

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