2026-04-20T07:53:00.185Z39.9532143.046235manualconfirmedUSGS7.4mww1Origin/20260420081224.700413.191943Magnitude/20260420081224.700496.1919442026-04-20T08:03:20.21265Z2026-04-20T08:12:24.710588ZOff East Coast of Honshu, Japanregion nameOrigin/20260420081224.700413.191943