The 1891 Mino-Owari earthquake (美濃尾張地震, Mino-Owari Jishin) struck the former Japanese provinces of Mino and Owari in the Nōbi Plain in the early morning of October 28 with a surface wave magnitude of 8.0. The event, also referred to as the Nōbi Earthquake (濃尾地震, Nōbi Jishin) or the Great Nōbi Earthquake (濃尾大地震 , Nōbi Daijishin), is the strongest known inland earthquake to have occurred in the Japanese archipelago.