Global Volcanism Program | Image GVP-02246
A crater in the 4 x 5 km Tomariyama caldera contains sulfur deposition in geothermal areas along the lake shore and beneath the lake. It is the southernmost volcano in the Kuril Islands and forms the southern end of Kunashir Island across the Nemuro Strait from Hokkaido. Several lava domes have formed within the caldera.
Photo by Yuri Doubik (Institute of Volcanology, Petropavlovsk).
This image is made available under the Creative Commons BY-NC 4.0 license terms.
Galleries: Geothermal Features