2026-04-20T10:44:16.04Z39.4819143.247147.565manualconfirmedUSGS5mb1Origin/20260420110006.175869.193467Magnitude/20260420110006.175944.1934682026-04-20T10:55:42.646679Z2026-04-20T11:00:06.189979ZOff East Coast of Honshu, Japanregion nameOrigin/20260420110006.175869.193467