Worldwide coverage
Major Cities in Seismic Zones
Monitor earthquake activity near 103+ major cities across 53 countries in high-risk seismic regions.
Cities monitored
103
Countries covered
53
Largest metro
Tokyo
37.4M people
People in seismic zones
560.3M
Combined metro pop.
By population
Largest cities at risk
The world's most populous metropolitan areas in seismic zones.
Tokyo
Japan
Pop: 37.4M
Jakarta
Indonesia
Pop: 34.5M
New Delhi
India
Pop: 32.0M
Manila
Philippines
Pop: 28.5M
Dhaka
Bangladesh
Pop: 22.0M
Mexico City
Mexico
Pop: 21.9M
Chengdu
China
Pop: 21.0M
Mumbai
India
Pop: 21.0M
Osaka
Japan
Pop: 19.3M
Los Angeles
United States
Pop: 18.8M
Istanbul
Turkey
Pop: 15.5M
Tehran
Iran
Pop: 15.2M
Kolkata
India
Pop: 15.0M
Xi'an
China
Pop: 13.0M
Bogota
Colombia
Pop: 11.4M
Lima
Peru
Pop: 11.0M
Nagoya
Japan
Pop: 9.1M
Kunming
China
Pop: 8.5M
Santiago
Chile
Pop: 7.2M
Taipei
Taiwan
Pop: 7.0M
53 countries
Cities by country
Every monitored city, grouped by country and ordered by coverage.
About City Earthquake Monitoring
Each city page shows earthquakes within a specific radius (typically 100-200km) based on the city's location. This includes all earthquakes that could potentially be felt in the metropolitan area. Data is sourced from USGS and updated in real-time.