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)
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.
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- Information about: Long Valley volcano
Previous news
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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).
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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.
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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.
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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. ...
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Tuesday, Aug 14, 2012
A small swarm of earthquakes could be during 12-13 Aug. About 30 (very small mostly
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