Place-based seismic atlas
Explore reported earthquakes by city
Choose a city to explore reported earthquakes nearby, compare historical magnitudes and open original source records. Each page states its data period and uses the same 300 km search radius.
The radius organizes epicentres by distance from the city centre. It is not a known felt, damage, hazard or safety area.
Los Angeles
This view centres a 300 km search around Los Angeles, covering Southern California, nearby offshore waters and parts of the surrounding region. It compares source-reported earthquakes by distance from the city centre; the radius is not a shaking, damage or risk boundary.
- Search radius
- 300 km
- GeoNames ID
- 5368361
San Francisco
The San Francisco view uses the city centre as the origin of a 300 km search across Northern California and adjacent Pacific waters. The results are reported epicentres within that circle, not a model of what people felt or where damage occurred.
- Search radius
- 300 km
- GeoNames ID
- 5391959
Tokyo
Tokyo is the centre of this 300 km search across central Honshu and nearby Pacific source locations. Events are included solely by reported epicentre distance, so the circle must not be interpreted as an official intensity or alert area.
- Search radius
- 300 km
- GeoNames ID
- 1850147
Mexico City
This page measures reported epicentres within 300 km of central Mexico City, a circle that can reach several neighbouring states. The search area is a consistent geographic filter and does not describe local hazard, expected intensity or safety.
- Search radius
- 300 km
- GeoNames ID
- 3530597
Santiago
The Santiago search covers reported epicentres up to 300 km from the city centre, including central Chile and nearby offshore locations. Distance from Santiago is a browsing rule only, not an estimate of felt extent or impact.
- Search radius
- 300 km
- GeoNames ID
- 3871336
Lima
Lima anchors a 300 km search across part of central Peru and the adjacent Pacific margin. The page groups USGS-reported epicentres by distance to the city centre and does not reproduce an official national catalogue or shaking map.
- Search radius
- 300 km
- GeoNames ID
- 3936456
Jakarta
The Jakarta view searches 300 km from the city centre across western Java, the Sunda Strait and nearby waters. It is a distance-based view of source reports and cannot establish whether an event was felt in Jakarta.
- Search radius
- 300 km
- GeoNames ID
- 1642911
Manila
This 300 km search around Manila covers much of Luzon and nearby offshore source locations. It presents USGS-reported epicentres selected by distance, while PHIVOLCS remains the primary national authority for Philippine earthquake information.
- Search radius
- 300 km
- GeoNames ID
- 1701668
Taipei
Taipei is used as the centre of a 300 km search over northern Taiwan and nearby offshore areas. The GeoNames population field is retained as source metadata only; the earthquake radius is not an administrative or hazard boundary.
- Search radius
- 300 km
- GeoNames ID
- 1668341
Istanbul
The Istanbul page searches 300 km from the city centre across the Marmara region, neighbouring parts of Türkiye and adjacent countries. Inclusion is geometric and does not state that an earthquake affected Istanbul.
- Search radius
- 300 km
- GeoNames ID
- 745044
Kathmandu
Kathmandu centres a 300 km search across part of the central Himalaya and neighbouring regions. Results are based on reported epicentre coordinates and do not estimate local shaking, exposure or safety.
- Search radius
- 300 km
- GeoNames ID
- 1283240
Wellington
The Wellington search spans 300 km from the city centre across Cook Strait, the lower North Island, the upper South Island and nearby waters. The circle organizes reported events by distance and is not an official intensity or impact area.
- Search radius
- 300 km
- GeoNames ID
- 2179537