The seismic event in the sea off Tokaido (8:31 a.m., 10 June, 2000, M6.5 at a depth of 528 km)
At 8:31 a.m. on the 10th, there was a deep M6.5 event at a depth of 528 km within the Pacific Plate. An M6.1 event occurred about one hour prior to that in approximately the same location.
Japan Meteorological Agency