Global Volcanism Program | Image GVP-02150

Image GVP-02150

Usu rises at the right across Lake Toya with the Nakanojima lava dome complex at the left forming an island in the caldera lake. The light-colored area in the bottom half of this 12 August 1977 photo is floating pumice produced by explosive eruptions of Usu during 7-9 August. Photo by Lee Siebert, 1977 (Smithsonian Institution).

Usu rises at the right across Lake Toya with the Nakanojima lava dome complex at the left forming an island in the caldera lake. The light-colored area in the bottom half of this 12 August 1977 photo is floating pumice produced by explosive eruptions of Usu during 7-9 August.

Photo by Lee Siebert, 1977 (Smithsonian Institution).

Creative Commons Icon This image is made available under the Public Domain Dedication CC0 license, but proper attribution is appreciated.

Keywords: pumice | lava dome | crater lake | caldera

Toya

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Image GVP-02150