Alexandria city Disaster Risk
Alexandria city, Virginia
FEMA Risk Rating
Relatively Low
National Percentile
74th
of 3,144 counties
State Rank
#12
of 133 (1 = highest risk)
Flood Risk
82th
percentile
Hazard Risk Breakdown
Flood
River, coastal, and surface flooding risk
Moderate
Higher than 82% of US counties
Wildfire
Wildland and wildland-urban interface fire risk
Very Low
Higher than 6% of US counties
Tornado
Tornado and severe thunderstorm risk
Very Low
Higher than 40% of US counties
Earthquake
Seismic activity and ground shaking risk
Relatively Low
Higher than 80% of US counties
Hurricane
Tropical cyclone and hurricane risk
Relatively Low
Higher than 79% of US counties
Risk Overview
About Natural Disaster Risk in Alexandria city, Virginia
Alexandria's urban risk is above average
Alexandria's composite risk score of 73.70 ranks as relatively low but remains more than double Virginia's state average of 33.27. Urban density and Potomac River proximity drive exposure to flood (81.84), hurricane (79.14), and earthquake (79.96) hazards.
Major urban center faces significant exposure
Alexandria ranks among Virginia's more hazard-exposed jurisdictions despite its 'relatively low' rating, reflecting the urban vulnerability of this high-density area. The city's position on tidal waterways elevates flood and hurricane risk compared to most inland counties.
Urban exposure higher than suburban peers
Alexandria's 73.70 score exceeds nearby Arlington County (66.79) and significantly surpasses rural counties like Appomattox (5.09). Urban waterfront location and concentrated infrastructure create compounded risk compared to surrounding jurisdictions.
Flooding and earthquakes pose main threats
Alexandria's flood risk (81.84) and earthquake risk (79.96) represent primary concerns, while hurricane risk (79.14) also merits attention given the city's tidal position. Wildfire risk (5.66) remains minimal for this urban environment.
Waterfront protection and seismic readiness critical
Flood insurance is essential given the city's proximity to the Potomac River and tidal surge exposure. Retrofit older buildings for seismic safety and ensure comprehensive homeowners coverage.
Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor
Preparedness Guide
What to Prepare for in Alexandria city
Top Hazards by Exposure
Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)
Risk Advisory: Alexandria city
Risk Verdict
Alexandria city's FEMA risk score places it at the 74th percentile nationally, indicating lower-than-typical exposure for a U.S. county. A moderate composite score often means one or two hazard categories are doing the heavy lifting — knowing which ones matters for preparation.
Hazard Breakdown
Flood risk is Alexandria city's dominant natural hazard, ranked at the 82th percentile nationally under FEMA's National Risk Index. Earthquake ranks second at the 80th percentile nationally. Additional tracked hazards include hurricane (79th percentile), tornado (40th percentile), wildfire (6th percentile).
Preparedness Context
At the 82th percentile nationally for flood risk, Alexandria city residents benefit from understanding their specific flood zone status. Even one inch of floodwater causes significant structural damage to properties outside officially designated high-risk zones. Earthquake risk, ranked at the 80th percentile nationally, is also a factor in Alexandria city's overall hazard profile and warrants awareness even as flood is the primary concern. A tested family preparedness plan specific to Alexandria city's primary hazards — including how to shelter in place or evacuate, and who to call — provides more real protection than a general emergency kit sitting unused on a shelf.
Regional Context
The Virginia county average is 40.4 composite points below Alexandria city's score, a gap that reflects the county's elevated position in the state's hazard distribution.
Is your household prepared for Alexandria city's hazards?
Review FEMA's county-specific preparedness checklists and emergency planning guides.
Frequently Asked Questions
What is the natural disaster risk in Alexandria city, VA?
What types of natural hazards affect Alexandria city?
How does Alexandria city risk compare to the Virginia average?
Is Alexandria city at risk for flooding?
How is natural disaster risk measured?
Why is Alexandria city higher risk than average?
Data Source
Risk data sourced from the FEMA National Risk Index (NRI). Risk scores are relative rankings (0–100) across all US counties — not absolute risk measures. Higher scores indicate higher relative risk compared to other counties.
Disclaimer: This data is informational only. It is not financial, insurance, or legal advice. Always consult a qualified professional before making insurance or real estate decisions.