Overview

• A magnitude 6.2 earthquake occurred offshore near Silivri in the Sea of Marmara on April 23, 2025, shortly before 13:00 local time.
• The quake was strongly felt across Istanbul, prompting thousands of residents to flee into the streets in panic.
• Authorities report no casualties or building collapses, though citizens are advised to avoid potentially damaged structures.
• Three aftershocks ranging from magnitudes 3.9 to 4.9 were recorded in the same area following the main quake.
• Experts highlight Istanbul’s proximity to the North Anatolian Fault, warning of a potential magnitude-7 earthquake by 2030.