南西方向より空撮。右奥の硫黄岳と手前の稲村岳（重なっている）は後カルデラ火山。中央の矢筈山と手前の平坦面は先カルデラ火山群の一部。

Low aerial view of Satsuma Iojima Island as seen from the SW. Io-dake (right back) is a post-caldera volcano. Yahazu-yama (in the center) and the surface (in the front) are part of pre-caldera volcanoes.