Seismic activity in the sea southwest of Miyakejima

In addition to concentrated seismic activity of maximum M6.4 in 1982, and concentrated activity of maximum M6.2 in 1983, there was also activity in 1990 and 1994 in the vicinity of the July 30th M6.4 event.

Japan Meteorological Agency

Seismic activity in the area from Miyakejima to Niijima-Kozushima