[S-VC36] Volcanic and igneous activities, and these long-term forecasting

[SVC36-P06] Excavation mechanism of a newly identified fissure vent in the Pliocene Higashi-Matsuura Basalts, Nagasaki Prefecture

*Toshiki Haji¹, Atsushi Yamaji² (1. Geological Survey of Japan, AIST, 2. Division of Earth and Planetary Sciences, Kyoto University)

Keywords:basalt volcanism, fissure vent, Higashi-Matsuura Basalts, phreatomagmatic activity, vent excavation, vent infillings