Earthquake Risk in Istanbul, Turkey
Risk Level: Extreme — Score 9/10
Key Risk Factors
- High risk rating for Istanbul based on ThinkHazard (Earthquake)
- 40 events recorded in proximity in recent decades
- Active in the last 12 months (10 events)
- Located in a seismically active region
Last significant event: Earthquake - 6.0 - 8 km SE of Sındırgı, Turkey (2025-10-27) — 302,000 people exposed
Highest Risk Cities for Earthquakes
How Istanbul Compares
Notable Earthquake Events Near Istanbul
5.2 Earthquake — 8 km NNW of Ta?köprü, Turkey
September 28, 1999 — WATCH
Impact data not available
Earthquake - 5.7 - 20km ESE of Marmaraereglisi, Turkey
September 25, 2019 — WATCH
Impact data not available
Earthquake - 6.2 - 21 km SE of Marmara Ereğlisi, Turkey
April 22, 2025 — WARNING
9,840,000 people exposed; $203,016M capital exposed
Earthquake - 6.0 - 8 km SE of Sındırgı, Turkey
October 26, 2025 — WARNING
302,000 people exposed; $8,692M capital exposed
Earthquake - 5.2 - 26 km NNW of Simav, Turkey
September 27, 2025 — ADVISORY
21,700 people exposed; $731M capital exposed
Earthquake Preparedness Tips
- 1.Secure heavy furniture and appliances to walls
- 2.Create a family earthquake plan with meeting points
- 3.Keep an emergency kit with water, food, flashlight, and first aid supplies
- 4.Learn how to shut off gas, water, and electricity
- 5.Practice Drop, Cover, and Hold On drills regularly
Related Pages
How this data is built
Istanbul, Turkey earthquake risk combines Historical Event Intelligence with authoritative hazard modeling from the Geospatial Intelligence Layers catalog. Live earthquake monitoring is available through the Event Intelligence API and the DisasterAWARE Platform.
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