Measuring Relative Motions Across a Fault Using Seafloor Transponders Installed at Close Range to each Other Based on Differential GPS/Acoustic Technique

Motoyuki Kido1, Juichiro Ashi2, Takeshi Tsuji3 and Fumiaki Tomita1, (1)Tohoku University, International Research Institute of Disaster Science, Sendai, Japan, (2)The University of Tokyo, Bunkyo-ku, Japan, (3)Kyushu University, Department of Earth Resources Engineering, Fukuoka, Japan