Fig. 12From: Reconstruction of a phreatic eruption on 27 September 2014 at Ontake volcano, central Japan, based on proximal pyroclastic density current and fallout depositsReconstructed eruption sequence for the Ontake eruption on 27 September 2014. Cross section along an approximate NE–SW direction is shown. Multiple PDCs originated from the fountain collapse during the vent opening and development. Arrows indicate the flow direction of the PDCsBack to article page