About OIKAWA TERUKI
About 産業技術総合研 活断層・火山研究部門
About OBA TSUKASA
About 秋田大 国際資源
About FUJINAWA AKIHIKO
About SASAKI HISASHI
About アジア航測
About eruptive activity
About volcanic product
About volcanic mudflow
About pyroclastic flow
About phreatic eruption
About lahar
About Volcanic geology in general
About 水蒸気噴火
About 地質学
About 研究