Natural Disaster Risk in Vashon
Washington
Risk Summary for Vashon
Vashon scores 7.2/10 (High risk), above the U.S. average of 4.5. The leading hazard is Avalanche.
Top Hazards
All 18 Hazard Scores
How it compares
Live Conditions
🏠 What this means for insurance
Above-average risk — check your policy limits
Standard homeowners insurance may not fully cover all hazards rated highly in this area. Verify that your policy includes adequate coverage for the top local hazards, and ask your insurer about specific endorsements or separate policies (e.g., flood, earthquake).
This is general information only. Consult a licensed insurance professional for advice specific to your property.
Natural Hazard Profile: Vashon, Washington
Vashon, in King County, is a town of roughly 9,934 residents situated in the Pacific Northwest. Its oceanic climate brings mild, rainy winters west of the Cascades and semi-arid conditions to the east, and in particular a critical wildfire period in eastern Washington each summer. These conditions collectively define the natural hazard environment that Vashon residents and property owners must navigate.
According to FEMA's National Risk Index, Vashon carries an overall risk score of 7.2/10, placing it in the high category. Avalanche risk is the dominant natural hazard, with steep mountain terrain and heavy seasonal snowpack creating conditions for dangerous snow slides in and around the area. The area also faces notable exposure to earthquake and volcano.
Within Washington, Vashon's risk is, slightly above the 5.8/10 state average. Nationally, it ranks well above the U.S. national average of 4.5/10. FEMA's analysis of King County identifies avalanche as the foremost hazard, followed by earthquake and volcano. These rankings reflect the relative frequency and severity of each hazard type in the local environment.
With a high natural disaster risk rating, Vashon residents benefit from taking preparedness seriously. Reviewing insurance coverage for avalanche and secondary hazards, registering for emergency alerts, and maintaining a household emergency kit are practical steps that can significantly reduce impact during a major event.
What this means for Vashon: Avalanche preparedness
- Properties in runout zones may require specialized hazard assessment and insurance.
- Check avalanche forecasts before backcountry travel and carry a beacon, probe, and shovel.
- Be aware of slope angles and recent snow loading, which drive avalanche risk.
Local Factors for Vashon
These city-level factors differentiate Vashon from other communities in King County and provide geographic context for its hazard exposure.
Population
9,934
Small TownGeographic Zone
Pacific Coast
Tsunami, coastal flood & wildfire risk
Climate Band
Northern Continental
Latitude 47.4°
Flood Terrain
Minimal — county topography limits flood risk
Flood score: 1.0/10
Wildfire Exposure
High — long dry fire season
Fire score: 8.2/10
Coordinates
47.4122° N, 122.4726° W
King County
Population and coordinates from SimpleMaps US Cities data. Hazard scores from FEMA National Risk Index. Geographic classification derived from coordinates.
Recent Climate Data for Vashon
Last 12 months · Source: Open-Meteo archive
Notable Weather Days (last 12 months)
ZIP Codes in Vashon
Other cities in Washington
Data source: FEMA National Risk Index (NRI). Scores normalized to 1–10 across all US counties. City scores inherit county-level FEMA data. For informational purposes only.