More than 4,300 people were killed and 15,000 injured in Turkey and over the border in Syria when the quake struck in the early hours of Monday.
The World Health Organization has warned the toll may rise dramatically as rescuers find more victims.
Rescuers are battling heavy rain and snow as they race against the clock to find survivors of a devastating earthquake in south-east Turkey.
As day breaks rescue teams are stepping up their search for survivors.
Seismologists say it was one of the largest ever recorded in Turkey, where at least 2,921 people are now known to have died in the earthquake survivors say took two minutes for the shaking to stop.