The tuff cone and crater in the foreground were formed during an eruption on the caldera floor in 1871. Phreatic explosions ejected ash and lapilli that covered the caldera floor. Five explosion craters are located in the 800 x 1,400 m caldera floor. Post-caldera lava domes form the horizon.

Photo by Ichio Moriya (Kanazawa University).

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

Keywords: crater | caldera | tuff cone

Nisyros