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Chirpoi Volcano, Russia
Chirpoi Island contains a half dozen volcanic edifices constructed within an 8-9 km wide, partially submerged caldera.
This view from the east shows Snow volcano (left), symmetrical Cherny volcano (center), and eroded Chirpoi volcano (right).
Cherny volcano, capped by a well-preserved crater, has erupted twice during the 18th and 19th centuries.
Snow volcano originated between 1770 and 1810.
It is composed almost entirely of lava flows, some of which form the shoreline in the foreground.
Chirpoi, a small island lying between the larger islands of Simushir and Urup, contains a half dozen volcanic edifices constructed within an 8-9 km wide, partially submerged caldera.
The southern rim of the caldera is exposed on nearby Brat Chirpoev Island.
Two volcanoes on Chirpoi Island have been historically active.
The symmetrical Cherny volcano, which forms the 691 m high point of the island, erupted twice during the 18th and 19th centuries.
The youngest volcano, Snow, originated between 1770 and 1810.
It is composed almost entirely of lava flows, many of which have reached the sea on the southern coast.
No historical eruptions are known from 742-m-high Brat Chirpoev, but its youthful morphology suggests recent strombolian activity.
PHOTO SOURCE: Oleg Volynets (Institute of Volcanology, Petropavlovsk), courtesy of the Global Volcanism Program, Smithsonian National Museum of Natural History, used with permission.
NOTE: The information regarding Volcano on this page is re-published from other sources. No claims are made regarding the accuracy of Volcano information contained here. All suggestions for corrections of any errors about Volcano photos should be addressed to the copyright owner noted below the photo.
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This page was last modified 23-FEB-10
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