Karymsky volcano

Karymsky is the most active volcano of Kamchatka's eastern volcanic zone and a perfect symmetrical stratovolcano. Ash eruptions from Karymski can come in the way of aircraft flight routes across the N Pacific. Karymsky, the most active volcano of Kamchatka's eastern volcanic zone in one of the world's volcanoes with persistent activity and has been erupting for at least about 500 years.

Background:

Much of the cone is surrounded by lava flows no older than 200 years. Historical eruptions have been vulcanian or vulcanian-strombolian with moderate explosive activity and occasional lava flows from the summit crater.
The cone has been constructed during the past 2000 years within a 5-km-wide caldera that formed about 9,000 year ago within a complex system of overlapping calderas. The caldera cuts the south side of the older Dvor volcano and is located outside the north margin of a large, still older caldera (the mid-Pleistocene Polovinka caldera), which contains the smaller Akademia Nauk and Odnoboky calderas.
Most seismicity preceding Karymsky eruptions originated beneath Akademia Nauk caldera, which is located immediately south of Karymsky volcano.
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Source: GVP, Smithsonian Institution

Karymsky Photos:

The summit cone of Karymsky with parts of the Karymsky caldera walls behind. (Photo: Tom Pfeiffer)	The active caldera lake of Akademia Nauk volcano southeast of Karymsky seen from the helicopter. (Photo: Tom Pfeiffer)	Karymsky volcano and the volcanologists' hut where we will stay along with accompanying scientists from the Institute of Volcanology of the Academy of Sciences during the...
On our request, the helicopter pilots agree to fly a round over Karymsky's steep and deep crater. (Photo: Tom Pfeiffer)	The helicopter keeps the engine running while we unload everything to return as soon as possible, before the weather worsens; fortunately, the rotor blades are at safe he...	Ash emission from Karymsky volcano (March 2011) (Photo: Sergey Krasnoshchokov)

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