When did the earthquake strike the only Italian region having neither a coastline nor a boarder with other countries?
January 2017 Central Italy earthquakes: A series of four major earthquakes struck Central Italy between Abruzzo, Lazio, the Marche and Umbria regions on 18 January 2017. Umbria:  It is the only Italian region having neither a coastline nor a border with other countries.
18 January 2017