[Posted at 4:14 p.m. ET] A school has also collapsed following the earthquake in Turkey's Van province, according to Turkish state broadcaster, TRT.
Video from DHA showed residents and rescuers in a floodlit nighttime search effort combing through rubble of what appeared to have been a multistory building in Van.
One survivor was pulled from the rubble of a collapsed building, but there were no early indications of how many people might be unaccounted for in the aftermath of the quake.
[Posted at 4:06 p.m. ET] At least 18 buildings, including two hotels, have collapsed in eastern Turkey after the 5.7-magnitude quake struck, Reuters is reporting, citing Turkish state TV.
Journalists are reporting that some buildings weakened by the 7.2-magnitude quake on October 23 in the same province are now seeing structural damage. The previous quake killed more than 600 people.
[Posted at 3:55 p.m. ET] A 5.7-magnitude earthquake struck eastern Turkey Wednesday night, according to the U.S. Geological Survey.
The epicenter was 16 kilometers (9 miles) south of the town of Van, the USGS said, and its depth was 4.8 kilometers (3 miles). The quake hit at 9:23 p.m. (2:23 p.m. ET), it said.
Reuters is reporter that a hotel and an office building have collapsed in Van, citing Turkish state TV.