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Volcano Calendar 2020
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The Volcano Adventure Guide
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News & activity updates
Mammoth Mountain volcano (California, USA) activity update
Sunday Feb 03, 2013 15:13 PM | BY: T
Map of recent quakes near Mammoth Mountain
Small earthquakes continue beneath and (mostly) immediately to the SE of Mammoth Mountain in the Sierra Nevada range.
Tuesday, Jan 29, 2013
Another small earthquake swarm occurred under the (dormant) volcano during 28-29 Jan. Numerous tiny quakes were registered at shallow depths (mostly 1-5 km).
Tuesday, Jan 22, 2013
Tiny earthquakes (less than mag 1) and some deep low-frequency events continue to occur at normal background levels under Mammoth Mountain.
Monday, Jan 21, 2013
A small earthquake swarm occurred at Mammoth Mountain during 14-20 Jan and seems to have ended.
Sunday, Jan 06, 2013
A small seismic swarm occurred between 4-5 January with quakes at depth of 12-15 km.
Friday, Dec 28, 2012
Another (weak) earthquake swarm has started yesterday evening at Mammoth Mountain. Most quakes are at about 20 km depth in an area 5 km SW of the mountain.
More on VolcanoDiscovery:
Dukono volcano photos
: Dukono on Halmahera in Indonesia has been in permanent activity for years, often producing ash plumes that drift around the northern part of the island and have become normality.
: A growing list of photo galleries taking during our expeditions in this fantastic part of the world, full of volcanoes, unspoiled nature and colors.
Raung volcano photos
: One of the largest and most active volcanoes in East Java, rarely-visited and relatively unknown Raung became (in)famous during its recent eruption in 2015 when its frequent ash plumes forced the repeated closure of Bali's airport.