The first quake was centered beneath the Aegean off the coast from the town of Ayvacik in Turkey's northwestern Canakkale province and struck at 6:51 am (local time), the government's crisis management agency said. The second temblor occurred at 1:58 pm (local time) and was centered in Ayvacik.
The seismology center also recorded an aftershock measuring 4.9.
Orhan Tavli, the governor for Canakkale, said around 90 homes were damaged in the first quake and at least five people were hospitalised with minor injuries. Tents were being dispatched to temporarily house those whose homes were damaged.
Earthquakes are common in Turkey, which sits on top of active fault lines.