A magnitude 5.0 earthquake struck the Sea of Marmara off Tekirdağ at a depth of 18 kilometers, AFAD reported. The quake, felt in Istanbul, Bursa, Balıkesir, and nearby provinces, sent residents rushing outdoors.
The Istanbul Governor’s Office said no casualties or damage have been reported so far, with inspection teams deployed across the city. Authorities urged citizens to avoid potentially damaged structures and follow official guidance.