Hokkaido Region


a) An M5.2 earthquake on 13 Feb and an M5.0 on 14 Feb. occurred near Etorofu Island.

b) An M5.3 earthquake occurred on 1 Feb. offshore of the southeastern coast of Nemuro Peninsula.

c) An M4.7 earthquake occurred on 9 Feb. in southern Tokachi Administrative District (Maximum intensity: 3).

d) An M5.9 earthquake occurred on 5 Feb. in the southern reaches of the Sea of Okhotsk at a depth of about 430km.

Note: "Offshore of the southeastern coast of Nemuro Peninsula" is the epicenter place name used by the Meteorological Agency in its information releases.


Japan Meteorological Agency,Science and Technology Agency


Seismic Activity in Japan February 1999