Fig. 1: Map of the Japan Trench (modified after Kioka et al. 201912).

Red dots indicate site locations of the studied cores. Black bold and dashed lines mark the Nakaminato and Ogawara canyon in the south and north, respectively.
Red dots indicate site locations of the studied cores. Black bold and dashed lines mark the Nakaminato and Ogawara canyon in the south and north, respectively.