Global Volcanism Program | Image GVP-09155
A narrow gap in the NNE rim of the Pleistocene Brouton caldera resulted in the formation of Brouton Bay. The caldera floor lies 250 m beneath the ocean surface and the rim rises 450 m above it.
Photo by Yoshihiro Ishizuka, 2000 (Hokkaido University).
This image is made available under the Creative Commons BY-NC 4.0 license terms.