Repeating Deep Very Low Frequency Earthquakes: An Evidence of Transition Zone between Brittle and Ductile Zone along Plate Boundary

Yasushi Ishihara1, Yojiro Yamamoto2 and Ryuta Arai1, (1)JAMSTEC, Yokohama, Japan, (2)Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokohama, Japan