Magnitude mb 4.7 Region KYUSHU, JAPAN Date time 2015-03-29 03:23:22.2 UTC Location 31.42 N ; 130.63 E Depth 142 km Distances 243 km S of Fukuoka-shi, Japan / pop: 1,392,289 / local time: 12:23:22.2 2015-03-29 17 km SE of Kagoshima-shi, Japan / pop: 555,352 / local time: 12:23:22.2 2015-03-29 10 km SW of Tarumizu, Japan / pop: 19,146 / local time: 12:23:22.2 2015-03-29 Source parameters not yet reviewed by a seismologist Magnitude mb 4.1 Region HOKKAIDO, JAPAN REGION Date time 2015-03-29 02:25:57.5 UTC Location 42.97 N ; 142.05 E Depth 157 km Distances 58 km E of Sapporo-shi, Japan / pop: 1,883,027 / local time: 11:25:57.5 2015-03-29 35 km SE of Iwamizawa, Japan / pop: 85,107 / local time: 11:25:57.5 2015-03-29