Global Volcanism Program | Image GVP-02199

A group of lava domes form Nakanojima, an island in the center of Lake Toya. The lake fills the 10-km-wide caldera, which formed following a major explosive eruption about 110,000 years ago. The photo was taken from the flank of Usu volcano on the southern rim of the caldera. Photo by Norm Banks, 1981 (U.S. Geological Survey).

A group of lava domes form Nakanojima, an island in the center of Lake Toya. The lake fills the 10-km-wide caldera, which formed following a major explosive eruption about 110,000 years ago. The photo was taken from the flank of Usu volcano on the southern rim of the caldera.

Photo by Norm Banks, 1981 (U.S. Geological Survey).

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Galleries: Calderas | Lava Domes

Keywords: lava dome | caldera

Toya