Natural Disaster Risk in Island County

Natural Hazard Profile: Island County, Washington

Situated in the United States, Island County in Washington experiences a oceanic climate marked by mild, rainy winters west of the Cascades and semi-arid conditions to the east. A critical wildfire period in eastern Washington each summer is a defining feature of the regional hazard profile that affects residents and property owners countywide.

FEMA rates Island County's composite natural disaster risk at 5.7 out of 10 — moderate risk. Landslide and debris flow risk tops the local hazard profile, with steep terrain and periodic heavy rainfall creating conditions for rapid slope failure in vulnerable areas. Residents should also account for tsunami and volcano risk in their preparedness planning.

Relative to other U.S. communities, Island County's natural disaster risk is above the U.S. national average of 4.5/10, near the 5.8/10 state average. The hazard distribution here is led by landslide and tsunami, as measured by FEMA across Island County. While city-specific sub-county variation exists, these scores represent the best available federal risk estimate.

With a moderate risk rating, Island County residents are well-served by maintaining standard preparedness practices — an emergency supply kit, awareness of local hazard seasonality, and insurance that covers the top local risks. Periodic review of coverage for landslide is recommended.