In 1064 , following the Seljuk conquest of Ani , the cathedral was converted into a mosque . It later returned to being used as an Armenian church . It eventually suffered damage in a 1319 earthquake when its conical dome collapsed . Subsequently , Ani was gradually abandoned and the church fell into disuse . The north-western corner of the church was heavily damaged by a 1988 earthquake
1988 earthquake
1988 Armenian earthquake
Cathedral of Ani