The Marmara section has not produced a large earthquake since 1766 but is known to rupture every 250 years based on historical records. The last Istanbul earthquake was magnitude 7 and struck in 1894.

Earthquakes with a magnitude greater than 7 have hit Istanbul in 1509, 1766 and 1894, causing thousands of deaths and large-scale destruction.

The last significant event dates back to 1766, meaning the region has already surpassed the expected timeframe for another ...

A repeat of the 1766 Istanbul earthquakes has long been a fear in the area. A magnitude 7.5 quake close to the city would have devastating consequences for the nation’s cultural and economic ...

Istanbul’s earthquake leaves residents anxious, ... Earthquakes with a magnitude greater than 7 have hit Istanbul in 1509, 1766 and 1894, causing thousands of deaths and large-scale destruction.