Magnitude 3.8 earthquake rattles Istanbul

A magnitude 3.8 earthquake struck near Istanbul, Turkey early on April 14. 

The quake occurred off the Black Sea coast of Arnavutköy district at 2.56 a.m. local time (2356GMT), according to Turkey's Disaster and Emergency Management Authority (AFAD).

It had a depth of 7.03 kilometers (4.3 miles), according to officials.

There were no immediate reports of casualties.

Istanbul is located in an earthquake zone due to fault movements.