Several quakes have hit Turkey's largest city, with residents telling the BBC of panic as people ran from shaking buildings.

A magnitude 7.8 earthquake on Feb. 6, 2023, and a second powerful tremor hours later, destroyed or damaged hundreds of thousands of buildings in 11 southern and southeastern provinces, leaving more than 53,000 people dead. Another 6,000 people were killed in the northern parts of neighboring Syria.

A 6.2 magnitude earthquake shook Istanbul on Wednesday, prompting people to evacuate buildings. Here's what we know so far.