Overview

• A 6.2 magnitude earthquake hit Istanbul and nearby provinces on April 23, 2025, with the epicenter located in the Sea of Marmara near Silivri at a depth of 6.9 kilometers.
• The Kandilli Observatory reported the earthquake as magnitude 6.1 and noted it was preceded by smaller tremors, including one of magnitude 4.
• Turkey's Disaster and Emergency Management Authority (AFAD) and other institutions have dispatched teams for on-the-ground inspections.
• Authorities have not reported any casualties or major structural damage, though the quake caused widespread alarm among residents.
• The event has renewed attention on Turkey's seismic risks, following the devastating 2023 earthquakes in southern Turkey and northern Syria that claimed over 58,500 lives.