Kyushu

a) On 3 October an M5.8 earthquake [maximum intensity 3] occurred at a depth of 220kms beneath the East China Sea.

And, though outside our time frame, on 7 November an M4.5 earthquake [maximum intensity 4] occurred in the coastal waters of Amami Oshima.

Japan Meteorological Agency,Science and Technology Agency

Seismic Activity in Japan during October, 1998