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Mammoth Mountain volcano
lava domes 3369 m / 11,053 ft
California, USA, 37.63°N / -119.03°W
Current status: normal or dormant (1 out of 5)
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Mammoth Mountain volcano eruptions:
1260 ± 40 years
Typical eruption style:
effusive
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News & activity updates

Mammoth Mountain volcano (California, USA (mainland exept Alaska)) activity update: weak seismic swarms

Wednesday Nov 07, 2012 07:54 AM | BY: T

Time and depth of quakes near Mammoth Mountain
Time and depth of quakes near Mammoth Mountain
Location of quakes in the past days aat Mammoth Mountain
Location of quakes in the past days aat Mammoth Mountain
Another small seismic swarm has occurred (or started) yesterday near Mammoth Mountain, with about 20 very small quakes located at about 6 km east of the volcano at depths mostly between 10 and 5 km. A larger magnitude 2.9 event at 13.5 km followed this morning (GMT time).
According to Earthquake-Report, the recently elevated seismicity in the area may be related to / have been energized by the large M7.7 Haida Gwaii earthquake west of British Colombia, Canada, on 28 Oct.
Previous news
Time and depth of quakes under Mammoth Mountain during the past week
Wednesday, Oct 31, 2012
A stronger than usual seismic swarm was recorded beneath Mammoth Mountain volcano in California during 29 October. The swarm, in such not uncommon, was accompanied by slight deformation ... [more]

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