Global Volcanism Program | Image GVP-02030
Lake Hibara in the distance was created in 1888 when the partial collapse of Kobandaisan peak produced a large debris avalanche that traveled 11 km, nearly to the far end of the lake. The forested ground in front of the lake and the islands in the lake are part of the debris avalanche deposit. The steep wall in the foreground is part of the back headwall of the avalanche scarp.
Photo by Lee Siebert, 1988 (Smithsonian Institution).
This image is made available under the Public Domain Dedication CC0 license, but proper attribution is appreciated.