Officials say 1,650 people were injured in the 7.2-magnitude quake which had its epicentre in Van province.
The authorities say they have rescued 185 people alive so far.
A 19-year-old student was pulled from the rubble on Thursday after being trapped for more than 90 hours.
Television footage showed the exhausted student emerging from the debris in the town of Ercis, one of the worst hit places.
Rain and snow are hindering the rescue effort and making life more difficult for the thousands of people made homeless by the earthquake.