Seismic Structure of Mantle Transition Zone beneath Northwest Pacific Subduction Zone and its Dynamic Implication

Juan Li1,2, Guangrui Guo1, Xin WANG3 and Qifu Chen1, (1)Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China, (2)University of Chinese Adacemy of Sciences, Beijing, China, (3)Earth Observatory of Singapore, Singapore, Singapore