Ksudach
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Ksudach (russian: Ксудач) (also known as Vonyuchy Khrebet Volcano) is a
stratovolcano A stratovolcano, also known as a composite volcano, is a conical volcano built up by many layers (strata) of hardened lava and tephra. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile with a summit crater and per ...
in southern
Kamchatka The Kamchatka Peninsula (russian: полуостров Камчатка, Poluostrov Kamchatka, ) is a peninsula in the Russian Far East, with an area of about . The Pacific Ocean and the Sea of Okhotsk make up the peninsula's eastern and wes ...
,
Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...
. The last eruption of Ksudach was in March 1907, on or around 28 March, which was one of the largest ever recorded in Kamchatka, with a Volcanic Explosivity Index of 5 and a volume of ejected ash at . The 1907 eruption sent ash high into the atmosphere which was transported by the jet stream, leaving North America east of the Rocky Mountains unseasonably cold. The summit area comprises overlapping
caldera A caldera ( ) is a large cauldron-like hollow that forms shortly after the emptying of a magma chamber in a volcano eruption. When large volumes of magma are erupted over a short time, structural support for the rock above the magma chamber is ...
s. Two lakes, Bolshoe and Kraternoe, are located within calderas at the summit of Ksudach. These lakes, along with hot springs and the surrounding wilderness, make the Ksudach Volcano region a popular trekking destination. In the event of renewed volcanic activity, its remote location minimizes its potential hazard to humans.


See also

*
List of volcanoes in Russia This is a list of active and extinct volcanoes in Russia. European Russia Kamchatka Volcanoes of the Kamchatka Peninsula of the northwestern Pacific Ocean and the Russian Far East. Kuril Islands Volcanoes of the Kuril Islands, in the nor ...


References


External links

* *{{cite web, url=http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=16666, archive-url=https://web.archive.org/web/20041010125359/http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=16666, url-status=dead, archive-date=2004-10-10, title=Ksudach Volcano, Kamchatka, Russia, publisher=
NASA Earth Observatory NASA Earth Observatory is an online publishing outlet for NASA which was created in 1999. It is the principal source of satellite imagery and other scientific information pertaining to the climate and the Environment (biophysical), environment whi ...
, accessdate=2006-05-19 Volcanoes of the Kamchatka Peninsula Stratovolcanoes of Russia Volcanic crater lakes Mountains of the Kamchatka Peninsula VEI-6 volcanoes 20th-century volcanic events Calderas of Russia Pleistocene calderas Holocene calderas