2026-03-31T15:38:48.865Z33.9265139.9842116.409manualconfirmedUSGS4.5mb1Origin/20260331164544.994879.553664Magnitude/20260331164544.994951.5536652026-03-31T15:49:41.361021Z2026-03-31T16:45:46.028412ZSoutheast of Honshu, Japanregion nameOrigin/20260331164544.994879.553664