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Volcano Photos

Tao Rusyr Caldera volcano, Russia

Tao Rusyr Caldera volcano, Russia, Volcano photo


Tao Rusyr Caldera volcano, Russia

A large symmetrical post-caldera cone, 1325-m-high Krenitzyn Peak, forms a 4-km wide island that towers above the rim of 7.5-km-wide Tao-Rusyr caldera.

A 350-m-wide crater caps the peak, and a large shallow lateral crater (left center) is located on the upper NE flank.

The small dark mass along the eastern shoreline (right-center) is a lava dome that was emplaced in 1952 during the only historical eruption of the volcano.

Kal'tsevoe lake fills a caldera that was formed about 7500 years ago during one of the largest Holocene eruptions in the Kuril Islands.

The 7.5-km-wide Tao-Rusyr caldera on southern Onekotan Island is one of the most impressive volcanoes of the Kuril Islands.

The basaltic-to-andesitic caldera is filled by the deep-blue 7-km-wide Kal'tsevoe lake, whose surface is 400 m above sea level.

The caldera was formed about 7500 years ago during one of the largest Holocene eruptions in the Kuril Islands.

A large symmetrical post-caldera cone, 1325-m-high andesitic Krenitzyn Peak, forms a 4-km wide island that towers high above the caldera rim and fills the NW portion of the caldera lake.

A 350-m-wide, 100-m-deep crater truncates the peak and a large lateral crater is located on the upper NE side.

The only historical eruption of Krenitzyn Peak, in 1952, formed a small, mostly lacustral lava dome in an explosion crater along the east shore of the island.

PHOTO SOURCE: Photo by Oleg Volynets (Institute of Volcanology, Petropavlovsk), courtesy of the Smithsonian National Museum of Natural History Global Volcanism Program, used with permission.



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