Tohoku Region
a) An M5.6 earthquake occurred on 3 October offshore of Iwate Pref. (maximum intensity: 3).
b) An M5.0 earthquake occurred on 5 October offshore of Fukushima Pref.
Furthermore, although it is outside of our time frame, an M4.4 earthquake occurred on 7 November in the Hamadori region of Fukushima Pref. (maximum intensity: 3).
Japan Meteorological Agency,Science and Technology Agency