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News
Friday, Jul 29, 2016
SVERT reported that a thermal anomaly over Snow, a volcano of Chirpoi, was detected in satellite images during 18 and 20-24 July. Steam-and-gas emissions were visible drifting SW on 16 July and may have contained minor amounts of ash. Steam-and-gas emissions during 22-24 July drifted as far as 90 km N. The Aviation Color Code remained at Yellow. ... [more]
Friday, May 20, 2016
A weak thermal anomaly over Snow, a volcano of Chirpoi, was detected in satellite images during 9-11 and 14 May. The Aviation Color Code remained at Yellow. [more]

Chirpoi volcano

caldera 742 m / 2,434 ft
Kurile Islands, Russia, 46.53°N / 150.88°E
Current status: minor activity or eruption warning (3 out of 5)
Chirpoi webcams / live data
Chirpoi volcano books
Last update: 29 Jul 2016 (degassing, steaming)
Typical eruption style: effusive & strombolian
Chirpoi volcano eruptions: 2015 (S), 2014 (S), 2012 (S), 1982 (S), 1960 (S), 1879 (S), 1857 (C), 1854 (S or C), 1811 (S), 1790 (S), 1712 (C)
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S: Snow volcano / C: Cerny volcano No recent earthquakes
TimeMag. / DepthDistanceLocation
Chirpoi volcano forms a small island in the central Kurile Islands, Russia. It has a 8-9 km wide partially submerged caldera with several volcanic centers inside the caldera, including active Snow and Cerny volcanoes. The southern caldera rim emerges again on nearby Brat Chirpoey Island 2.5 km SE of Chirpoi.

Background:

Only 2 volcanoes on Chirpoi Island have been historically active: The symmetrical Cherny volcano which forms the highest peak erupted 2 times. The second, younger and more active volcano is Snow. Snow volcano formed between 1770 and 1810 and is composed almost entirely of lava flows, many of which have reached the sea on the southern coast.
There are no historical eruptions on Brat Chirpoev, but its youthful morphology suggests recent strombolian activity.
(Source: GVP / Smithsonian Chirpoi volcano information)


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