A development of a mobile hydraulic pressure gauge for seafloor geodetic measurements and data evaluation of field studies conducted in the Nankai Trough

Yuya Machida1, Shuhei Nishida2, Eiichiro Araki2, Hiroyuki Matsumoto3, Toshinori Kimura3 and Katsuyoshi Kawaguchi3, (1)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Yokosuka, Japan, (2)Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Research Institute for Marine Geodynamics, Yokosuka, Japan, (3)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan