Global Volcanism Program | Image GVP-11791
Onikobe caldera is seen here from the SE. Geysers were said to be discovered there about 1,700 years ago; both geysers and hot springs are present within the caldera. The snow-capped Chokaisan volcano is visible on the upper right horizon.
Copyrighted photo by Hiroshi Yagi (Japanese Quaternary Volcanoes database, RIODB, http://riodb02.ibase.aist.go.jp/strata/VOL_JP/EN/index.htm and Geol Surv Japan, AIST, http://www.gsj.jp/).