Concentration of strain in a marginal rift zone of the Japan backarc during post-rift compression

Hiroshi Sato1, Tatsuya Ishiyama2, Naoko Kato1, Susumu Abe3, Kazuya Shiraishi4, Mitsuru Inaba3, Eiji Kurashimo5, Takaya Iwasaki1, Anne Van Horne6, Tetsuo No7, Takeshi Sato8, Shuichi Kodaira9, Makoto Matsubara10, Tetsuya Takeda10, Shiori Abe11 and Chihiro Kodaira11, (1)University of Tokyo, Bunkyo-ku, Japan, (2)Earthquake Research Institute, University of Tokyo, Tokyo, Japan, (3)JAPEX Japan Petroleum Exploration, Tokyo, Japan, (4)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, (5)The University of Tokyo, Earthquake Research Institute, Tokyo, Japan, (6)Organization Not Listed, Washington, DC, United States, (7)JAMSTEC, Yokohama, Japan, (8)Gifu Univ, Gifu, Japan, (9)Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokohama, Japan, (10)National Research Institute for Earth Science and Disaster Prevention, Tsukuba, Japan, (11)INPEX Corporation, 5-3-2 Akasak, Minatoku, Tokyo, Japan