A quake of unthinkable proportions is due in Istanbul. Residents ask if the city is prepared | CNN

Turkey is one of the most seismically active regions in the world.

The North Anatolian fault passes within 20 kilometers (12.4 miles) of Istanbul and through the Sea of Marmara.

A 7.5 magnitude quake could lead to the destruction of approximately 90,000 buildings in the city, with a further 260,000 likely facing significant damage.

Istanbul is racing to shore up its defenses against a natural disaster that experts say could strike any moment.

Istanbul's mayor criticizes government's historic implementation of construction zoning amnesties.

The term translates to built overnight’ and refers to homes constructed quickly and without proper permissions.

Istanbul municipality says it is taking the lead on ensuring the city is prepared for an earthquake.

President Recep Tayyip Erdogan has pledged to rebuild parts of south-east Turkey impacted by February's earthquake.

Iran’s national security chief visits UAE amid thaw in ties with Arab neighbors.

Ali Shamkhani met with UAE national security adviser Sheikh Tahnoun bin Zayed Al Nahyan in Abu Dhabi.