About YAMAZAKI T
About Geological Survey of Japan, Ibaraki, JPN
About MURAKAMI F
About Geological Survey of Japan, Ibaraki, JPN
About SAITO E
About Geological Survey of Japan, Ibaraki, JPN
About Tectonophysics
About West Pacific Ocean
About マリアナトラフ
About Plate tectonics
About Marine geology
About マリアナトラフ
About 海底拡大