Shear wave splitting and the dynamics of the hydrated mantle wedge in subduction regions constrained by the example of the Ryukyu subduction zone

Takayoshi Nagaya1, Andrew Walker2, James M Wookey3, Simon Richard Wallis4, Kazuhiko Ishii5 and J Michael Kendall3, (1)Tohoku University, Sendai, Japan, (2)University of Leeds, School of Earth and Environment, Leeds, United Kingdom, (3)University of Bristol, School of Earth Sciences, Bristol, BS8, United Kingdom, (4)Nagoya University, Graduate School of Environmental Studies, Nagoya, Japan, (5)Osaka Prefecture University, Graduate School of Science, Sakai, Japan