2026-04-20T14:15:29.099Z39.856143.229134.135manualconfirmedUSGS4.7mb1Origin/20260420162325.53526.196807Magnitude/20260420162325.535351.1968082026-04-20T14:28:16.212668Z2026-04-20T16:23:25.588953ZOff East Coast of Honshu, Japanregion nameOrigin/20260420162325.53526.196807