Figure6-3 Seismic activity in the Chubu region and the subducting Philippine Sea Plate (M 2 or larger, 1986-1996, depths of 100 km or less).


Seismic activity that is inclining downward from the Pacific Ocean to land occurs along the subducting Philippine Sea Plate. From the distribution of these earthquakes, it is apparent that the Philippine Sea Plate is subducting under the Chubu region.

[Compiled from data from Nagoya University]