A 5.4-magnitude quake hit off Turkey's southern coast near the town of Marmaris, the country's Disaster and Emergency Management Presidency (AFAD) said.
Also, the Euro-Mediterranean Seismological Center (CSEM) has reported that a 5.2-magnitude quake hit off the Greek archipelago of the Dodecanese in the Aegean Sea.
Earlier in the day, the Kandilli Observatory and Earthquake Research Institute in Istanbul reported that a 5.1 - magnitude earthquake hit Turkey's provinces of Manisa and Izmir.
According to the country's Disaster and Emergency Management Presidency (AFAD), the quake's magnitude stood at 4.8 on the Richter scale.
Turkish Interior Minister Suleyman Soylu said that, according to preliminary information, no casualties or damage were reported in the quake-hit area.
This comes days after a 6.8-magnitude quake hit Turkey's Elazig province, claiming the lives of 41 people and injuring more than 1,000.