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Long Valley volcano
caldera 3390 m / 11,122 ft
California, 37.7°N / -118.87°W
Current status: dormant (1 out of 5)
Long Valley webcams / live data
Long Valley volcano books
Long Valley volcano eruptions:
111,000-57,000 years ago (formation of Mammoth Mountain)
Typical eruption style:
Explosive
Last earthquakes nearby
Latest satellite images
 

Latest news & updates for Long Valley Caldera volcano

Long Valley volcano (California) activity update

Friday Jul 19, 2013 02:12 AM | BY: T

Map of recent quakes at the Long Valley caldera (California)
Map of recent quakes at the Long Valley caldera (California)
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.
Previous news
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]
Depth vs time of quakes at the Long Valley caldera (CA)
Wednesday, Mar 20, 2013
Small earthquakes continue to occur clustered near the SW margin of the caldera and Mammoth Mountain. The earthquake are tiny to small (less than magnitude 2) and show nothing usual going on. [more]
Map of recent quakes near Mammoth Mountain
Saturday, Jan 26, 2013
Tiny quakes continue to be recorded under and near the Long Valley caldera. A small swarm is visible today in an area 20 km to the SE of Mammoth Mountain, at the SW limit of the caldera. [more]
Small earthquake swarm at Long Valley on 24 Aug 2012
Friday, Aug 24, 2012
A small earthquake swarm has developed at the southern margin of the caldera, just north of Convict Lakes. The largest was a 2.5 event at 10 km depth. ... [more]
Location of the recent quakes at Long Valley (red dots for 12-13 Aug)
Tuesday, Aug 14, 2012
A small swarm of earthquakes could be during 12-13 Aug. About 30 (very small mostly [more]

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