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Expedition result
The Expedition 315 has completed 33 days mission carrying out scientific drilling in the Kumano basin off the Kii Peninsula from November 16th to December 18th. The main scientific objective of this expedition was to obtain detail profile of upper limit of plate boundary at shallow part of the Nankai Trough Seismogenic Zone by the means of drilling and collecting core samples. Due to difficult operational conditions mainly related to strong Kuroshio current, the well head installation for the future riser drilling has been postponed.