Plosky Tolbachik Volcano
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| Location | ||||||||||
The volcano is located in the south-western sector of the Klyuchevskaya group of the volcanoes 63 km from Klyuchi and 343 km from Petropavlovsk-Kamchatsky.
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| Form and structure | ||||||||||
Ostry Tolbachik and Plosky Tolbachik volcanoes compose a single large volcanic massif. The 1800 m diameter caldera with a depth of 450 m that has been formed in 1975 is nested at the summit of Plosky Tolbachik. |
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| Composition | ||||||||||
| Basalts and andesibasalts | ||||||||||
| Age | ||||||||||
| The later half of Upper Pleistocene | ||||||||||
| Links | ||||||||||
| Aviation color code |
GREEN |
| Last VONA/KVERT Releases |
| Hazard synopsis |
Potential danger could be caused by terminal eruptions producing ash clouds to an altitude of 5 km a.s.l. Moreover, explosive eruptions sending ash clouds up to 10 – 15 km a.s.l. are possible in regional zones of cinder cones in the south and north from the volcano. These eruptions could pose a thread to local and international aviation. |
| Monitoring status |
seismic, satellite, visual
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| Eruptions |
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2012/11/27 – 2013/9/15
1975/7/6 – 1976/12/10
1975/6/28 – 1976/12/10
1941/5/7 – 1941/5/14
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