[S-TT48] Advancing Earth Science through Fiber Optic Sensing Techniques and Integrated Analysis

[STT48-03] Simultaneous seismic observation by DAS and accelerometers using off-Sanriku seafloor cable system without dark fiber

*篠原 雅尚¹、Mikael Mazur²、Martin Karrenbach³、Nicolas Fontaine²、Roland Ryf²、David Neilson²、福島 駿⁴、山田 知朗¹、田中 伸一¹、大塚 宏徳¹、Kevin Smith⁵、Artem Goncharuk⁵、Bob Clapp⁵ (1. 東京大学地震研究所、2. Nokia Bell Labs、3. Seismics Unusual LLC、4. Faculty of Science, Hokkaido University、5. X-The Moonshot Factory)

キーワード：Distributed Acoustic Sensing (DAS)、Wavelength Division Multiplexing (WDM)、Two-dimensional DAS observation、An active/lit fiber