Localized fluid discharge in subduction zones: Insights from tension veins around an ancient megasplay fault (Nobeoka Thrust, SW Japan)

Makoto Otsubo1,2, Jeanne Hardebeck2, Ayumu Miyakawa1, Asuka Yamaguchi3 and Gaku Kimura4,5, (1)Geological Survey of Japan, Tsukuba, Japan, (2)USGS, Menlo Park, CA, United States, (3)Atmosphere and Ocean Research Institute, The University of Tokyo, Kashiwa, Japan, (4)The University of Tokyo, Tokyo, Japan, (5)Department of Marine Environment and Resources, Tokyo University of Marine Science and Technology, Tokyo, Japan