Natural Hazard Risks in Philadelphia, PA
Population: 1.6M · Pennsylvania
Live hazard alert status near Philadelphia
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Philadelphia faces varying levels of natural hazard risk. The highest risk is from floods (score: 9/10). Below is a consolidated view of all major hazard types with both forward-looking risk scores and historical impact data for Philadelphia, PA.
Hazard Risk Overview
Flood Risk
Extreme- •FEMA rates Philadelphia's county as Very High risk for this hazard
- •Estimated annual loss of $266M from this hazard type
- •Extensive history of significant events in this area
Winter Storm Risk
Extreme- •FEMA rates Philadelphia's county as Very High risk for this hazard
- •Estimated annual loss of $57M from this hazard type
- •10 events on record in proximity
Extreme Heat Risk
Extreme- •FEMA rates Philadelphia's county as Very High risk for this hazard
- •Estimated annual loss of $256M from this hazard type
- •23 events recorded in proximity in recent decades
Earthquake Risk
Very High- •FEMA rates Philadelphia's county as Relatively High risk
- •Estimated annual loss of $42M from this hazard type
- •Located in a seismically active region
Hurricane Risk
Very High- •FEMA rates Philadelphia's county as Relatively High risk
- •Estimated annual loss of $12M from this hazard type
- •3 events on record in proximity
Nearby Cities
How this data is built
Philadelphia risk scores combine Historical Event Intelligence with authoritative hazard modeling delivered through Geospatial Intelligence Layers. For live event monitoring near Philadelphia, use the Event Intelligence API or the DisasterAWARE Platform.
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DisasterAWARE provides real-time monitoring and alerting for all hazard types in Philadelphia, PA and beyond. Better understand risks and impacts with real-time, early warning, and historical data to strengthen preparedness, response, and resilience.