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Latest news:
Long Valley volcano (California) activity update
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]
Long Valley caldera (California): felt magnitude 3.8 earthquake
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) (75 quakes)

 | latest | archive: show
Earthquake depth plotUpdated: Wed, 18 Jul 10:42 UTC (GMT)
TimeMag. / DepthDistanceLocationMapSource
Wed, 18 Jul
Wed, 18 Jul 03:16 UTCM 1.0 / 7.1 km - [info]Long Valley (9 km) - California- 20km NNW of Toms Place, CA
[Map]		USGS
Tue, 17 Jul (9 earthquakes)
Tue, 17 Jul 16:45 UTCM 0.3 / 1.4 km - [info]Long Valley (10 km) - California- 12km ESE of Mammoth Lakes, CA
[Map]		USGS
Tue, 17 Jul 15:15 UTCM 0.6 / 3.5 km - [info]Long Valley (18 km) - California- 15km WSW of Toms Place, CA
[Map]		USGS
Tue, 17 Jul 09:32 UTCM 0.6 / 5.8 km - [info]Long Valley (11 km) - California- 13km WNW of Toms Place, CA
[Map]		USGS
Tue, 17 Jul 06:50 UTCM 0.5 / 1.1 km - [info]Long Valley (10 km) - California- 13km WNW of Toms Place, CA
[Map]		USGS
Tue, 17 Jul 06:02 UTCM 0.8 / 4 km - [info]Mammoth Mountain (2 km) - California, USA- 6km WSW of Mammoth Lakes, CA
[Map]		USGS
Tue, 17 Jul 05:04 UTCM 0.1 / 1.7 km - [info]Long Valley (10 km) - California- 13km ESE of Mammoth Lakes, CA
[Map]		USGS
Tue, 17 Jul 04:23 UTCM 0.6 / 3.3 km - [info]Long Valley (10 km) - California- 13km ESE of Mammoth Lakes, CA
[Map]		USGS
Tue, 17 Jul 02:01 UTCM 0.7 / 0.1 km - [info]Long Valley (16 km) - California- 13km SE of Mammoth Lakes, CA
[Map]		USGS
Tue, 17 Jul 01:25 UTCM 1.1 / 2 km - [info]Long Valley (10 km) - California- 13km ESE of Mammoth Lakes, CA
[Map]		USGS
Mon, 16 Jul (18 earthquakes)
Mon, 16 Jul 21:37 UTCM 0.5 / 4.3 km - [info]Mammoth Mountain (6 km) - California, USA- 2km SSE of Mammoth Lakes, CA
[Map]		USGS
Mon, 16 Jul 20:52 UTCM 0.2 / 4 km - [info]Long Valley (5 km) - California- 7km ENE of Mammoth Lakes, CA
[Map]		USGS
Mon, 16 Jul 20:32 UTCM 1.0 / 5.2 km - [info]Long Valley (13 km) - California- 10km WNW of Toms Place, CA
[Map]		USGS
Mon, 16 Jul 18:18 UTCM 0.2 / 4 km - [info]Long Valley (3 km) - California- 9km ENE of Mammoth Lakes, CA
[Map]		USGS
Mon, 16 Jul 18:07 UTCM 0.9 / 2.1 km - [info]Long Valley (10 km) - California- 13km ESE of Mammoth Lakes, CA
[Map]		USGS
Mon, 16 Jul 12:11 UTCM 0.3 / 1.1 km - [info]Long Valley (8 km) - California- 10km E of Mammoth Lakes, CA
[Map]		USGS
Mon, 16 Jul 11:33 UTCM 0.7 / 1.4 km - [info]Mammoth Mountain (10 km) - California, USA- 6km ESE of Mammoth Lakes, CA
[Map]		USGS
Mon, 16 Jul 10:59 UTCM 0.8 / 1.5 km - [info]Mammoth Mountain (10 km) - California, USA- 6km ESE of Mammoth Lakes, CA
[Map]		USGS
Mon, 16 Jul 10:54 UTCM 1.1 / 1.8 km - [info]Mammoth Mountain (10 km) - California, USA- 6km SE of Mammoth Lakes, CA
[Map]		USGS
Mon, 16 Jul 10:47 UTCM 0.4 / 1.7 km - [info]Mammoth Mountain (10 km) - California, USA- 6km SE of Mammoth Lakes, CA
[Map]		USGS
Mon, 16 Jul 10:46 UTCM 0.6 / 1.1 km - [info]Mammoth Mountain (10 km) - California, USA- 6km ESE of Mammoth Lakes, CA
[Map]		USGS
Mon, 16 Jul 10:45 UTCM 1.4 / 1.9 km - [info]Mammoth Mountain (10 km) - California, USA- 6km SE of Mammoth Lakes, CA
[Map]		USGS
Mon, 16 Jul 09:45 UTCM 0.1 / 1.7 km - [info]Mammoth Mountain (5 km) - California, USA- 2km S of Mammoth Lakes, CA
[Map]		USGS
Mon, 16 Jul 08:42 UTCM 0.5 / 6.4 km - [info]Mammoth Mountain (15 km) - California, USA- 13km SSE of Mammoth Lakes, CA
[Map]		USGS
Mon, 16 Jul 07:08 UTCM 0.2 / 2.9 km - [info]Long Valley (11 km) - California- 13km ESE of Mammoth Lakes, CA
[Map]		USGS
Mon, 16 Jul 07:01 UTCM 0.7 / 1.8 km - [info]Long Valley (13 km) - California- 14km W of Toms Place, CA
[Map]		USGS
Mon, 16 Jul 04:41 UTCM 0.1 / 2.4 km - [info]Long Valley (9 km) - California- 11km E of Mammoth Lakes, CA
[Map]		USGS
Mon, 16 Jul 03:18 UTCM 0.4 / 3.3 km - [info]Mammoth Mountain (9 km) - California, USA- 10km SSW of Mammoth Lakes, CA
[Map]		USGS
Sun, 15 Jul (11 earthquakes)
Sun, 15 Jul 22:33 UTCM 0.1 / 1.2 km - [info]Long Valley (7 km) - California- 7km E of Mammoth Lakes, CA
[Map]		USGS
Sun, 15 Jul 13:01 UTCM 0.6 / 5.4 km - [info]Long Valley (7 km) - California- 9km E of Mammoth Lakes, CA
[Map]		USGS
Sun, 15 Jul 12:57 UTCM 0.5 / 2.9 km - [info]Long Valley (17 km) - California- 14km SE of Mammoth Lakes, California
[Map]		USGS
Sun, 15 Jul 12:54 UTCM 1.6 / 5.8 km - [info]Long Valley (7 km) - California- 9km E of Mammoth Lakes, CA
[Map]		USGS
Sun, 15 Jul 12:52 UTCM 0.9 / 7.2 km - [info]Long Valley (7 km) - California- 10km E of Mammoth Lakes, CA
[Map]		USGS
Sun, 15 Jul 12:50 UTCM 1.2 / 6.2 km - [info]Long Valley (7 km) - California- 9km E of Mammoth Lakes, CA
[Map]		USGS
Sun, 15 Jul 12:50 UTCM 0.8 / 5.1 km - [info]Long Valley (7 km) - California- 8km E of Mammoth Lakes, CA
[Map]		USGS
Sun, 15 Jul 12:50 UTCM 0.6 / 2.4 km - [info]Long Valley (7 km) - California- 8km E of Mammoth Lakes, CA
[Map]		USGS
Sun, 15 Jul 07:17 UTCM 1.2 / 0.8 km - [info]Long Valley (10 km) - California- 14km WNW of Toms Place, CA
[Map]		USGS
Sun, 15 Jul 07:09 UTCM 1.3 / 0.8 km - [info]Long Valley (10 km) - California- 14km WNW of Toms Place, CA
[Map]		USGS
Sun, 15 Jul 00:59 UTCM 0.9 / 0.8 km - [info]Long Valley (6 km) - California- 13km E of Mammoth Lakes, CA
[Map]		USGS
Sat, 14 Jul
Sat, 14 Jul 12:41 UTCM 1.3 / 1.5 km - [info]Long Valley (5 km) - California- 12km E of Mammoth Lakes, CA
[Map]		USGS
Sat, 14 Jul 01:11 UTCM 0.6 / 0.7 km - [info]Long Valley (3 km) - California- 10km ENE of Mammoth Lakes, CA
[Map]		USGS
Fri, 13 Jul (21 earthquakes)
Fri, 13 Jul 22:36 UTCM 0.4 / 1.6 km - [info]Mammoth Mountain (10 km) - California, USA- 6km SE of Mammoth Lakes, CA
[Map]		USGS
Fri, 13 Jul 16:42 UTCM 0.4 / 2.9 km - [info]Mammoth Mountain (17 km) - California, USA- 14km SE of Mammoth Lakes, CA
[Map]		USGS
Fri, 13 Jul 15:55 UTCM 0.4 / 2 km - [info]Long Valley (7 km) - California- 7km E of Mammoth Lakes, CA
[Map]		USGS
Fri, 13 Jul 13:14 UTCM 0.6 / 1.5 km - [info]Long Valley (3 km) - California- 10km ENE of Mammoth Lakes, CA
[Map]		USGS
Fri, 13 Jul 11:01 UTCM 0.4 / 5.6 km - [info]Mammoth Mountain (8 km) - California, USA- 3km ESE of Mammoth Lakes, CA
[Map]		USGS
Fri, 13 Jul 10:07 UTCM 0.3 / 0.7 km - [info]Inyo Craters (8 km)- 4km ENE of Mammoth Lakes, CA
[Map]		USGS
Fri, 13 Jul 10:04 UTCM 0.8 / 8.3 km - [info]Long Valley (16 km) - California- 15km W of Toms Place, CA
[Map]		USGS
Fri, 13 Jul 09:33 UTCM 0.7 / 6 km - [info]Long Valley (8 km) - California- 7km E of Mammoth Lakes, CA
[Map]		USGS
Fri, 13 Jul 09:29 UTCM 0.4 / 4.2 km - [info]Mammoth Mountain (7 km) - California, USA- 2km E of Mammoth Lakes, CA
[Map]		USGS
Fri, 13 Jul 09:12 UTCM 0.7 / 1.1 km - [info]Long Valley (20 km) - California- 15km WSW of Toms Place, CA
[Map]		USGS
Fri, 13 Jul 09:09 UTCM 0.9 / 4.6 km - [info]Mammoth Mountain (6 km) - California, USA- 2km E of Mammoth Lakes, CA
[Map]		USGS
Fri, 13 Jul 08:21 UTCM 0.6 / 2.8 km - [info]Long Valley (6 km) - California- 7km ENE of Mammoth Lakes, CA
[Map]		USGS
Fri, 13 Jul 07:46 UTCM 0.5 / 8.1 km - [info]Long Valley (15 km) - California- 14km SE of Mammoth Lakes, CA
[Map]		USGS
Fri, 13 Jul 07:44 UTCM 2.7 / 8 km - [info]Long Valley (16 km) - CaliforniaCENTRAL CALIFORNIA
I FELT IT
[Map]		EMSC
Fri, 13 Jul 07:33 UTCM 0.7 / 2.5 km - [info]Long Valley (6 km) - California- 6km ENE of Mammoth Lakes, CA
[Map]		USGS
Fri, 13 Jul 07:25 UTCM 1.3 / 2.8 km - [info]Long Valley (6 km) - California- 7km E of Mammoth Lakes, CA
[Map]		USGS
Fri, 13 Jul 07:05 UTCM 0.2 / 2.5 km - [info]Long Valley (6 km) - California- 7km ENE of Mammoth Lakes, CA
[Map]		USGS
Fri, 13 Jul 07:00 UTCM 0.3 / 4.8 km - [info]Long Valley (6 km) - California- 7km ENE of Mammoth Lakes, CA
[Map]		USGS
Fri, 13 Jul 06:03 UTCM 0.4 / 2.7 km - [info]Long Valley (6 km) - California- 6km E of Mammoth Lakes, CA
[Map]		USGS
Fri, 13 Jul 05:52 UTCM 1.2 / 2.7 km - [info]Long Valley (6 km) - California- 7km ENE of Mammoth Lakes, CA
[Map]		USGS
Fri, 13 Jul 05:43 UTCM 0.6 / 2 km - [info]Long Valley (6 km) - California- 7km ENE of Mammoth Lakes, CA
[Map]		USGS
Thu, 12 Jul (12 earthquakes)
Thu, 12 Jul 22:59 UTCM 1.2 / 1.5 km - [info]Mammoth Mountain (10 km) - California, USA- 6km SE of Mammoth Lakes, CA
[Map]		USGS
Thu, 12 Jul 22:27 UTCM 1.4 / 2.1 km - [info]Mammoth Mountain (10 km) - California, USA- 6km SE of Mammoth Lakes, CA
[Map]		USGS
Thu, 12 Jul 20:52 UTCM 0.7 / 3.3 km - [info]Mammoth Mountain (21 km) - California, USA- 17km WSW of Toms Place, CA
[Map]		USGS
Thu, 12 Jul 18:03 UTCM 0.5 / 2.5 km - [info]Long Valley (4 km) - California- 6km E of Mammoth Lakes, CA
[Map]		USGS
Thu, 12 Jul 17:04 UTCM 1.6 / 8 km - [info]Long Valley (16 km) - California- 14km SE of Mammoth Lakes, CA
[Map]		USGS
Thu, 12 Jul 16:17 UTCM 0.7 / 6.5 km - [info]Long Valley (9 km) - California- 19km NNW of Toms Place, CA
[Map]		USGS
Thu, 12 Jul 14:45 UTCM 1.3 / 2.1 km - [info]Long Valley (6 km) - California- 6km E of Mammoth Lakes, CA
[Map]		USGS
Thu, 12 Jul 09:07 UTCM 0.5 / 2.3 km - [info]Mammoth Mountain (15 km) - California, USA- 15km S of Mammoth Lakes, CA
[Map]		USGS
Thu, 12 Jul 07:07 UTCM 0.3 / 2.4 km - [info]Long Valley (7 km) - California- 6km E of Mammoth Lakes, CA
[Map]		USGS
Thu, 12 Jul 06:45 UTCM 0.1 / 1.3 km - [info]Long Valley (5 km) - California- 8km ENE of Mammoth Lakes, CA
[Map]		USGS
Thu, 12 Jul 02:21 UTCM 0.7 / 3.8 km - [info]Long Valley (18 km) - California- 14km W of Toms Place, CA
[Map]		USGS
Thu, 12 Jul 01:28 UTCM 0.7 / 7.9 km - [info]Long Valley (21 km) - California- 14km WSW of Toms Place, CA
[Map]		USGS
Wed, 11 Jul
Wed, 11 Jul 17:49 UTCM 0.6 / 4.4 km - [info]Mammoth Mountain (15 km) - California, USA- 13km SSE of Mammoth Lakes, CA
[Map]		USGS
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