About KOMATSU MASAYUKI
About HAYASAKA YASUTAKA
About 日本地質学会学術大会講演要旨
About tectonic movement
About Median Tectonic Line
About active fault
About seismic exploration
About Shikoku District
About neotectonics
About Geological structure and tectonics
About 四国
About 伊予灘
About ネオテクトニクス