2026-04-21T18:44:16.419163Z40.026561737060547143.068481445312562.83499908447266manualconfirmedIAG5.157193031222177mb1Origin/20260422143631.162478.76917Magnitude/20260422143631.162547.76918earthquakeIAGOff East Coast of Honshu, Japanregion nameusp2026huklcontributorID