Istanbul, Turkey’s largest city, was hit by a 6.2 magnitude earthquake that was followed by a series of aftershocks. According to The Associated Press, the epicenter of the quake was about 25 miles southwest of Istanbul in the Sea of Marmara.

A 6.2-magnitude earthquake struck off the coast of Istanbul on Wednesday leading to scenes of panic in the Turkish metropolis, officials said.

The biggest of the tremors to hit Istanbul was felt some 275 miles away (440km) in the capital, Ankara, according to Mayor Mansur Yavas. It's a measure of how powerful the 6.2-magnitude quake was. Officials from the Istanbul Governorship say they haven't received any reports of earthquake damage yet.