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In seafloor seismic observation, the seismometer is usually installed on the seafloor. The data obtained from the seismometer installed on the seafloor is influenced by background noise. Therefore, in seafloor observation, it is necessary to install seismometer with consideration of influence depending on installation environment for observation with high accuracy. We investigated that whether the...
DONET (Dense Ocean-floor Observatory Network for Earthquakes and Tsunamis) is a submarine cabled real-time seafloor surveillance infrastructure for earthquake activity at assumed focus region of mega-thrust earthquake around Japan. The original system DONET1 was constructed in To-Nankai earthquake focus region and twenty seafloor observatories are working in operation beginning in 2011 to contribute...
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