Investigation of Ground Water around the Fault in the Active Fault Study Drift

Shingu, Kazuki*; Nakajima, Toshihide*; Yamashita, Mitsugu*

The active fault study drift that crossed the Mozumi-Sukenobu fault (a member of the Atotsugawa fault system) is located at the Kamioka mine, northern Gifu prefecture, Central Japan. The comprehensive study of the active fault is done in this drift. The purpose of this investigation is to obtain the data of the basis to clear the hydro-geological structure around the active fault. From December 1, 1997 to March 13, 1998, the pore pressure was measured using the hole.