The volcano has an extensive historic and geological record of eruptions, the latest activity ocurring in 2008.
To the southeast (image right), the large breached crater of Kozelsky volcano also appears above the clouds.
Kozelsky is a parasitic cone, formed by the eruption of material from vents along the flank of Avachinsky. The Kuril Island chain is built from a line of volcanoes, an island arc, that extends from Russia's Kamchatka Peninsula to northern Japan.
Island arcs form along an active boundary between two tectonic plates, with one being driven beneath the other (subduction).
Consistently ranked as one of Russia’s top universities, the Higher School of Economics (HSE) is a leader in Russian education and one of the preeminent economics and social sciences universities in Eastern Europe and Eurasia.
Having rapidly grown into a well-renowned research university over two decades, HSE sets itself apart with its international presence and cooperation.
These challenges are international in scope and are priorities for the Central Intelligence Agency.
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The main column is one of a series of plumes that rose above Matua Island on June 12.
The plume appears to be a combination of brown ash and white steam.
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