The 1881 Chios earthquake occurred at 11:30 UTC on 3 April. It caused severe damage on the island of Chios and also affected Çeşme and Alaçatı on the coast of Turkey. The earthquake had an estimated magnitude of 7.3 and there were an estimated 7,866 casualties. The devastation from the earthquake was the last of the three 'catastrophes' that affected the island of Chios in the 19th century.