Natural Disasters in Pennsylvania: History & Risk Data
96,035 recorded disaster events across 1,693 ZIP codes.
State Statistics
Event Timeline
Hazard Breakdown
Most Affected ZIP Codes in Pennsylvania
📊 Pennsylvania Disaster Profile
With 96,035 recorded natural disaster events across 1,693 ZIP codes, Pennsylvania carries a substantial history of natural hazard activity. The cumulative documented property damage stands at $49.7B. A total of 34,355 fatalities have been attributed to natural disasters in the state.
⚠️ Hazard Distribution
Hailstorms lead Pennsylvania's disaster profile with 30,147 events (31%), causing $80.9M in property damage. Other significant hazards include floods (28,315 events, $25.8B in damages), blizzards (17,167 events, $3.9B in damages), and extreme heat events (7,593 events, $2.1M in damages). Pennsylvania has no recorded hurricanes in the dataset.
📍 Geographic Impact
The most disaster-affected areas in Pennsylvania include ZIP 16509 (354 events, $109.2M in damages), ZIP 16508 (345 events, $109M in damages), and ZIP 16506 (345 events, $101.9M in damages).
📈 Trends Over Time
Disaster frequency in Pennsylvania has increased markedly over time. The average annual event count in recent decades is roughly 1113% higher than in earlier periods of the record. The year 2011 stands out as particularly active, with 6,150 events recorded — likely driven by a major weather system or disaster season.
❓ Frequently Asked Questions — Pennsylvania
What natural disasters occur in Pennsylvania?
Pennsylvania has experienced 96,035 documented natural disaster events. The hazard types recorded include hailstorms (30,147), floods (28,315), blizzards (17,167), extreme heat events (7,593), tornadoes (6,644), severe wind events (4,043), extreme cold events (1,886), earthquakes (183), and wildfires (57). The most common hazard is hailstorms, accounting for 31% of all events.
What are the most disaster-prone areas in Pennsylvania?
Based on historical records, the most disaster-affected ZIP codes in Pennsylvania are ZIP 16509 (354 events), ZIP 16508 (345 events), ZIP 16506 (345 events), ZIP 16505 (344 events), and ZIP 16502 (344 events). These areas have the highest concentration of recorded natural disaster events in the state.
How much damage have natural disasters caused in Pennsylvania?
Natural disasters have caused a documented $49.7B in property damage across Pennsylvania. This total is based on records from FEMA, NOAA, and USGS, covering events from the 1950s onward. The actual figure is likely higher, as not all events have complete damage records.
About This Data
State-level data aggregated from FEMA (disaster declarations, NFIP flood claims), NOAA Storm Events Database, USGS Earthquake Hazards Program, and NIFC wildfire records. Historical coverage varies by source, with most records beginning in the 1950s–1970s. Full methodology →