An inhomogeneous conduit across slab controlled by spatial heterogeneity of intraslab stress in the Nankai subduction zone, southwestern Japan

Makoto Otsubo1, Ayumu Miyakawa1, Ikuo Katayama2 and Keishi Okazaki3, (1)Geological Survey of Japan, Tsukuba, Japan, (2)Hiroshima Univ, Hiroshima, Japan, (3)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan