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Seismically safest cities for long-term moves

If you're considering a city for a multi-year stay, ground-shaking history matters. We queried the USGS Earthquake Catalog for every M5+ event within 200 km of each city over the last 50 years, these are the cities with a clean slate. Public-domain US government data.

frequently asked

Quick answers.

How is “safe” defined here?
Zero M5+ earthquakes within 200 km in the 50-year USGS window. M5 is roughly the threshold for objects falling off shelves; M6 is structural damage to weak buildings; M7 is destruction. Cities with even a single M5+ event are excluded from this list.
Why 200 km?
Felt-shaking from a strong quake reaches roughly 150–200 km. Inside that distance you'd feel it, lose power, possibly evacuate. Outside, you'd see it on the news.
Are there cities with high quake risk on this site?
Yes, every city's detail page shows the seismic risk card with verified M5+ / M6+ counts and the largest event with year. Tokyo, Sendai, Taipei, Santiago and Valparaíso lead the global table.

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