Simushir Island – Nested Calderas and Secret Sub Bases, Central Kuril Islands

Simushir Island. Volcanoes named on the image. Photo courtesy Japan Space ASTER, Oct. 2004.

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Ongoing Activity at Sarychev Peak, Kuril Islands, Russia

ISS astronaut photo of Sarychev Peak eruptive plume June 12, 2009. 3 pyroclastic flows are visible at the base of the plume. Brown flow to the left toward the shoreline. Grey – white flow toward the bottom of the photo. Finally, a third dark brown flow to the right toward the opposite shoreline. Image originally courtesy NASA. https://en.wikipedia.org/wiki/Sarychev_Peak