Kanto-Chubu Region


a) An M5.0 earthquake occurred on 16 October offshore of Ibaraki Pref.

b) An M5.2 earthquake occurred on 30 October southeast offshore of Boso Peninsula.

c) An M4.0 earthquake occurred on 29 October in northern Nagano Pref. (maximum intensity: 4).

Furthermore, although it is outside of our time frame, an M4.8 earthquake occurred on 7 November offshore of Fukui Pref. (maximum intensity: 4).


Japan Meteorological Agency,Science and Technology Agency


Seismic Activity in Japan October 1999