Southern Honshu and Shikoku
a) An M4.1 earthquake occurred on 22 Nov in Tosa Bay.
b) An M4.1 earthquake occurred on 18 Nov in western Kochi Pref.
c) An M4.2 earthquake occurred on 10 Nov in western Kochi Pref. (maximum intensity: 3).
Japan Meteorological Agency,Science and Technology Agency