About AYDAN Oemer
About Tokai Univ., Shizuoka, JPN
About TOKASHIKI Naohiko
About Ryukyu Univ., Nishihara, JPN
About 海-自然と文化
About Okinawa prefecture
About Seismology in general
About Civil engineering geology and hydrogeology in general
About 石垣島
About 宮古島
About 琉球石灰岩
About 鍾乳洞
About 損傷
About 地震