Global Volcanism Program | Image GVP-06310

Pusukbukit, a volcano in the Toba caldera, was constructed just within the western caldera rim. It is seen here across a narrow strait from Samosir Island, with light-colored areas containing fumaroles along its northern flank. The youngest lava flow on Pusukbukit is of dacitic composition. Photo by Mike Dolan, 1993 (Michigan Technological University).

Pusukbukit, a volcano in the Toba caldera, was constructed just within the western caldera rim. It is seen here across a narrow strait from Samosir Island, with light-colored areas containing fumaroles along its northern flank. The youngest lava flow on Pusukbukit is of dacitic composition.

Photo by Mike Dolan, 1993 (Michigan Technological University).

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Keywords: caldera

Toba