Figure F1. Regional bathymetry of northern Shikoku Basin and Nankai Trough region showing previous DSDP/ODP and current IODP drilling transects. FAB = forearc basin. Inset = tectonic map showing plate tectonic setting of the region. IBT = Izu-Bonin Trench, KPR = Kyushu-Palau Ridge, FSC = fossil spreading center, PSP = Philippine Sea plate.
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