Water Level Changes in Oi Well in Central Japan Associated with Large Earthquakes

Yang Li1, Masatake Harada2, Kazuhiro Itadera3 and Motoo Ukawa1, (1)Nihon University, Tokyo, Japan, (2)Hot Springs Research Institute of Kanagawa Prefecture, Odawara, Japan, (3)Hot Springs Research Institute, Kanagawa Prefectural Government, Odawara, Japan