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9
Extreme

earthquake Earthquake Risk in Istanbul, Turkey

Risk Level: Extreme — Score 9/10

Risk: 9Historical: 10

Key Risk Factors

  • High risk rating for Istanbul based on ThinkHazard (Earthquake)
  • 5 events on record in proximity
  • 3 event(s) in the last 12 months
  • Largest recent event exposed 19,100,000 people
  • Located in a seismically active region

Last significant event: Earthquake - 5.0 - 3 km SE of Muratbey, Turkey (2025-04-23) — 19,100,000 people exposed

Highest Risk Cities for Earthquakes

1
Los Angeles, CA
FEMA: 9Historical: 10
2
San Jose, CA
FEMA: 9Historical: 3
3
San Francisco, CA
FEMA: 9Historical: 3
4
Seattle, WA
FEMA: 9Historical: 0
5
Long Beach, CA
FEMA: 9Historical: 10
6
Oakland, CA
FEMA: 9Historical: 3
7
Tokyo, Japan
Risk: 9Historical: 8
8
Istanbul, Turkey
Risk: 9Historical: 10
9
Kathmandu, Nepal
Risk: 9Historical: 8
10
Quito, Ecuador
Risk: 9Historical: 10

How Istanbul Compares

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Notable Earthquake Events Near Istanbul

Earthquake - 5.0 - 3 km SE of Muratbey, Turkey

April 22, 2025 — ADVISORY

19,100,000 people exposed; $511,752M capital exposed

Earthquake - 5.1 - western Turkey

December 3, 2023 — ADVISORY

23,200,000 people exposed; $604,197M capital exposed

Earthquake - 5.0 - 23 km S of Silivri, Turkey

April 22, 2025 — ADVISORY

14,400,000 people exposed; $391,822M capital exposed

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 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

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