At least 315 people were injured in the two provinces. AP's earlier story follows below.
A powerful quake struck eastern Turkey on Friday, killing four people and damaging buildings near the epicentre of the tremor, which was also felt in neighbouring countries.
The AFAD said hundreds of tents, beds and thousands of blankets were transported and 28 rescue teams were activated to work on a 24-hour, seven-day basis.
An natural disaster with a preliminary magnitude of 6.8 rocked eastern Turkey today, causing some buildings to collapse and killing at least 18 people, injuring more than 300 and leaving several trapped in the wreckage of toppled buildings, Turkish officials said.
The region struck by the quake, some 550km (340 miles) east of the capital Ankara, is remote and sparsely populated, so details of damage and fatalities could be slow to emerge.
Interior Minister Suleyman Soylu said four people had been killed in what he described as a serious tremor - two in Elazig and two more in the neighbouring province of Malatya.
Elaziğ's governor, Çetin Oktay Kaldırım, told Turkish television station NTV that a fire broke out in a building in Sivrice, near the epicentre, but was quickly brought under control.
Pictures and video footage apparently taken in both Elazig and Sivrice and posted to social media, showed collapsed buildings and rescuers searching through rubble.
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Defense Minister Hulusi Akar told reporters troops were on standby if needed.
Turkish aid organisations said they had sent teams to affected areas and Soylu described the quake as a "level 3" incident according to the country's emergency response plan.
The US Geological Survey assessed the quake's magnitude at 6.7.
Two men check inside a badly damaged building after a 6.8 natural disaster struck Elazig city centre in the eastern Turkey.
Its depth was measured at 10 kilometers by EMSC and it was violent enough to send people running outdoors for safety, according to local media.
"We are hoping we will not have more casualties", the state-run Anadolu news agency quoted him saying.Turkey is seismically active with major fault lines under much of the country.
In 2010, 51 people died in a 6.0-magnitude quake that hit Elazig province.