Fig. 6From: “Volcanism in the Chugoku region: a review for the first UNESCO field school on Geoenvironmental disaster reduction”Simplified stratigraphic section through the Sakurae Cauldron / Nakano Formation (Komuro et al. 2006). Notice the massive, approximately 1 km thick deposit of highly welded ignimbrites, erupted during the second major caldera collapseBack to article page