SatsumaIwojima, seen here from the SW, is a post-caldera island constructed on the NW margin of Kikai caldera. Iwodake (Iodake). To the right is a rhyolite lava dome and Inamuradake (left) is a scoria cone. Shallow submarine eruptions have also occurred following the formation of the caldera about 6,300 years ago.

Photo by Yasuo Miyabuchi, 1996 (Forestry and Forest Products Research Institute, Kyushu).

This image is made available under the Creative Commons BY-NC 4.0 license terms.

Keywords: island volcano | scoria cone | lava dome

Kikai