Yakushidake (center) is the summit cone of Iwatesan and was constructed at the eastern end of the 1.8 x 3 km NishiIwate caldera. The N and S caldera rims form the ridges to the left and right, respectively. Both Yakushidake and a cone in the western caldera have been active in historical time.

Photo by Hidenori Togari, 1994 (Hokkaido University).

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

Keywords: cone | caldera

Iwatesan