Extension of Seismic Interferometry for Marine DAS Data - Application of FK Filter and Formularization of SPAC Between DAS and Seismometer

Shun Fukushima, Earthquake Research Institute, University of Tokyo, Tokyo, Japan, Masanao Shinohara, Univ Tokyo, Tokyo, Japan, Kiwamu Nishida, Earthquake Research Institute, University of Tokyo, Bunkyo-Ku, Japan, Akiko Takeo, The University of Tokyo, Earthquake Research Institute, Tokyo, Japan, Tomoaki Yamada, ERI, TheUniversity of Tokyo, Bunkyo-ku, Japan and Kiyoshi Yomogida, Hokkaido University, Faculty of Science, Sapporo, Japan