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Volcano Photos

Sinarka volcano, Russia

Sinarka volcano, Russia, Volcano photo


Sinarka volcano, Russia

Sinarka is the northernmost of two volcanoes forming Shiashkotan Island that are connected by a narrow isthmus about 1 km wide (out of view to the bottom).

This Space Shuttle image (with north to the upper left) shows the complex summit region of the volcano.

Historical eruptions have occurred at Sinarka during the 17th and 18th centuries.

The last and largest of these, during 1872-78, was once thought to originate from Kuntomintar volcano at the southern end of Shiashkotan.

Sinarka volcano, occupying the northern end of Shiashkotan Island in the central Kuriles, has a complex structure.

A small, 2-km-wide depression open to the NW has been largely filled and overtopped by an andesitic postglacial central cone that itself contains a lava dome that forms the 934 m high point of the island.

Another lava dome, Zheltokamennaya Mountain, lies 1.5 km to the SW along the buried SW rim of the caldera, and a smaller dome lies along the northern caldera rim.

Historical eruptions have occurred at Sinarka during the 17th and 18th centuries.

The last and largest of these, during 1872-78, was once thought to originate from Kuntomintar volcano at the southern end of the island, but is now attributed to Sinarka volcano (Gorshkov, 1970).

PHOTO SOURCE: NASA Space Shuttle image ISS005-E-6516, 2002 (//eol.jsc.nasa.gov/).



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