FEMA rates relative volcanic activity risk for King County as very high and reports FEMA annualized frequency of 0.003 per year for the area.
FEMA summary
FEMA's profile for King County reports FEMA annualized frequency of 0.003 per year for volcanic activity. FEMA's relative risk rating for the area is very high; the annualized frequency is a separate measure.
Hazard metrics cover FEMA county-equivalent geographies rather than individual addresses or parcels. Use local or state hazard maps before making a property, insurance, retrofit, or evacuation decision.
Select a hazard to inspect FEMA's figures for King County.
Volcanic Activity
FEMA combines its area-wide loss estimate and community data in this relative rating. Event frequency appears separately below.
Relative FEMA score
100.0/100
Occurrence thresholds vary by hazard. The FEMA methodology defines the value for each hazard.
The area loss estimate combines FEMA's modeled losses to buildings, population, and agriculture across King County. It is not an estimate for a home or address.
City risk summary
For Seattle, FEMA rates volcanic activity risk for King County as very high, with a relative score of 100.0/100. The next highest relative scores are earthquake at 99.8/100 and landslide at 97.0/100.
Using FEMA data for King County, Seattle is tied #1 among 18 covered Washington entries for volcanic activity risk; 7 entries share that score. Kirkland is about 7.6 straight-line miles from the Seattle map point and uses the same FEMA geography.
For homeowners and movers
Preparedness actions
Living in Seattle? Learn how to handle water storage, sanitation, and security in a small space.
The map shows Seattle. All FEMA figures on this page cover King County.
The FEMA figures cover King County. Address-level conditions require local maps, building records, and property details.
FEMA rates relative volcanic activity risk for King County as very high. Its FEMA annualized frequency is 0.003 per year. Damage at a specific address also depends on the building, soil, elevation, and exact hazard zone.
Among 18 Washington cities covered by this directory, Seattle is Tied #1 for relative volcanic activity risk based on FEMA's score for King County. 7 covered cities share this rank because they use the same FEMA geography. Homes within Seattle can have different soil, elevation, construction, and hazard-zone conditions.
In FEMA's data for King County, the highest relative ratings are Volcanic Activity (Very High), Earthquake (Very High), and Landslide (Relatively High). FEMA uses estimated losses and community data along with event frequency when assigning these ratings.
The hazard numbers cover King County. For an individual home, check local fault, flood, fire, evacuation, and building records for the exact address.
FEMA gives King County an overall relative risk rating of very high. Conditions at a specific home depend on its hazard zones, building type, maintenance, insurance, and access to evacuation routes and emergency services.
Start with this step: Confirm the exact hazard using official local maps before making property or insurance decisions. Know how local officials issue warnings and evacuation instructions. Use Ready.gov Be Informed and local emergency guidance for a complete plan.
Distances are measured between city coordinates.
| City | Distance | Volcanic Activity rating | Relative score |
|---|---|---|---|
| Kirkland, WA | 8 mi | Very High | 100.0 |
| Bellevue, WA | 8 mi | Very High | 100.0 |
| Renton, WA | 12 mi | Very High | 100.0 |
| Kent, WA | 17 mi | Very High | 100.0 |
| Bremerton, WA | 19 mi | Relatively Moderate | 73.0 |
Limited to products tagged for volcanic activity or general preparedness.
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View productHazard metrics come from FEMA National Risk Index v1.19.0 (March 2023). City population and coordinates come from SimpleMaps US Cities Database. For current conditions, use official local maps, warnings, inspections, and professional advice.