Hidden Roughness of Subducting Seafloor at Northern Manila Trench and Implications for Megathrust Seismogenesis

Huiwen Tan1, Xiang Gao1, Kelin Wang2, Jinwei Gao3 and Jiangheng He2, (1)Institute of Oceanology, Chinese Academy of Sciences, Key Laboratory of Marine Geology and Environment, Qingdao, China, (2)Pacific Geoscience Centre, Geological Survey of Canada, Sidney, BC, Canada, (3)Institute of Deep-sea Science and Engineering, Chinese Academy of Sciences, Sanya, China