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| | Abstract | | Seismic survey that aims to study source fault model and active faults has become more important for the improvement of simulations of tsunami, but there are many issues. We conducted a marine seismic survey using ocean bottom nodes (OBN) system as part of the crustal structure survey in the area off northwestern Hokkaido. We present an outline of data acquisition and preliminary result by a seismic survey using OBN system. |
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