From Tōhoku to California, seismic risk maps show who lives with constant tremors, and why “most” is harder to define than it seems.

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Nature

These are the world’s most earthquake-prone countries, and the US isn’t spared

Calum Roche

Managing Editor AS USA

Sports-lover turned journalist, born and bred in Scotland, with a passion for football (soccer). He’s also a keen follower of NFL, NBA, golf and tennis, among others, and always has an eye on the latest in science, tech and current affairs. As Managing Editor at AS USA, uses background in operations and marketing to drive improvements for reader satisfaction.

Update: Jul 28th, 2026 05:50 EDT

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Earthquakes are unlike any other natural disaster: they strike suddenly, with no forecast and little warning. Some countries, though, sit right on the planet’s pressure points, where tectonic plates grind and slip with relentless force.

Where do most earthquakes occur?

The infamous “Ring of Fire” – a sweeping arc around the Pacific Ocean – is home to most of the world’s seismic hotspots. Japan, scarred by the 2011 Tōhoku disaster, is one of the most closely monitored. Indonesia, spread across fault-lined islands, suffers frequent shocks, while Turkey and Iran endure quakes that have historically killed tens of thousands.

But what does it mean to ask which country has the most earthquakes? The US Geological Survey says the answer depends on how you frame the question:

Most recorded quakes: Japan, thanks to dense monitoring
Most quakes overall: Indonesia, by sheer size and activity
Most quakes per square mile: small Pacific nations like Tonga or Fiji
Most catastrophic quakes: China, Iran, and Turkey, given long records of devastation

The United States also makes the top 10. California’s San Andreas Fault dominates headlines, but Alaska (remember 1964) actually records the nation’s biggest quakes, a reminder that Americans aren’t immune when the ground decides to move.

Top 10 earthquake-prone countries

1. Japan

2. Indonesia

3. Nepal

4. Turkey

5. Iran

6. Mexico

7. Philippines

8. Chile

9. China

10. United States

How strong was the 2011 earthquake in Japan?

Japan

7.1-magnitude earthquake strikes southwestern Japan: Tsunami warnings are issued

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