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Aftershock observation of the 2003 Tokachi-oki earthquake by using dense ocean bottom seismometer network
2004
Earth, Planets and Space
The Tokachi-Oki earthquake occurred on September 26, 2003. Precise aftershock distribution is important to understand the mechanism of this earthquake generation. To study the aftershock activity, we deployed fortyseven ocean bottom seismometers (OBSs) and two ocean bottom pressure meters (OBPs) at thirty-eight sites in the source region. We started the OBS observation four days after the mainshock for an observation period of approximately two months. In the middle of the observation period,
doi:10.1186/bf03353054
fatcat:w2ss25j3ijeqbixdslsjovvefe