2026-04-20T12:56:45.171Z39.5889143.448510manualconfirmedUSGS5.1mb1Origin/20260420131430.12044.194751Magnitude/20260420131430.120547.1947522026-04-20T13:06:46.118011Z2026-04-20T13:14:30.130706ZOff East Coast of Honshu, Japanregion nameOrigin/20260420131430.12044.194751