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Karymsky volcano (Kamchatka) activity update

Fr, 23. Jun 2017, 17:07
17:07 PM | VON: T
No explosions with significant ash emissions have been detected during the past 14 days, although a thermal anomaly continues to be present at the summit, suggesting that mild activity still occurs from the volcano.

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Mi, 21. Jun 2017, 06:00
KVERT reported that a thermal anomaly over Karymsky was identified in satellite images during 16-17 June. The Aviation Color Code remained at Orange (the second highest level on a four-color scale). ... Read all
Mi, 14. Jun 2017, 06:00
KVERT reported that a thermal anomaly over Karymsky was identified in satellite images during 10-12 and 14-15 June. The Aviation Color Code remained at Orange (the second highest level on a four-color scale). ... Read all
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Background:

Karymsky, the most active volcano of  Kamchatka's eastern volcanic zone, is a symmetrical stratovolcano constructed within a 5-km-wide caldera that formed during the early Holocene.  The caldera cuts the south side of the Pleistocene Dvor volcano and is located outside the north margin of the large 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.  The caldera enclosing Karymsky volcano formed about 7600-7700 radiocarbon years ago; construction of the Karymsky stratovolcano began about 2000 years later.  The latest eruptive period began about 500 years ago, following a 2300-year quiescence.  Much of the cone is mantled by lava flows less than 200 years old.  Historical eruptions have been vulcanian or vulcanian-strombolian with moderate explosive activity and occasional lava flows from the summit crater.


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Source: GVP, Smithsonian Institution


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