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Progress in Earth and Planetary Science
Fig. 10 | Progress in Earth and Planetary Science

Fig. 10

From: The nature of the Pacific plate as subduction inputs to the northeastern Japan arc and its implication for subduction zone processes

Fig. 10

Seafloor bathymetry along lines A2, A3, A4, and A6. Except for the outer trench slope area (0–80 km) and large seamount areas, the seafloor depth shows the following trend; (1) in the southeast-side (350–500 km), water depth is roughly the predicted seafloor depth by the plate age-depth curve (e.g., Crosby et al. 2006; Müller et al. 2008), and (2) in the central part (100–250 km), the seafloor depth of the northern two lines (A2 and A6) is shallower than the predicted ones, but that of the southernmost line A6 is roughly equal to the predicted ones. The line A4 shows intermediate characteristics. This observation suggests that the thick crust area (central part of the line A2 and A3, Fig. 9) corresponds to the shallow water depth area

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