Landslide Risk in Seattle, WA
Risk Level: Very High — Score 7/10
Live Landslide alert status near Seattle
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Live landslide activity around Seattle — refreshed throughout the day.
Open full-screen map →Key Risk Factors
- FEMA rates Seattle's county as Relatively High risk
- Estimated annual loss of $2M from this hazard type
- Frequent historical activity recorded in proximity
- High recent activity — multiple events in the last 12 months
- Average annual frequency: 4.3 events per year
Last significant event: Landslide - South Washington Cascades, E of Seattle, Washington, United States (2026-03-13) — 122 people exposed
Highest Risk Cities for Landslides
How Seattle Compares
Notable Landslide Events Near Seattle
DisasterAWARE's historical archive records 5 notable landslide events near Seattle, ranked below by impact. The most impactful: Landslide - American Cordillera, SW of Seattle, Washington, United States (January 2024) — 196,000 people exposed; $49,159M capital exposed.
Landslide - American Cordillera, SW of Seattle, Washington, United States
January 31, 2024 — WARNING
196,000 people exposed; $49,159M capital exposed
Landslide - Pacific Coast Ranges, SW of Seattle, Washington, United States
December 19, 2024 — WARNING
168,030 people exposed; $30,430M capital exposed
Landslide - American Cordillera, SW of Seattle, Washington, United States
March 27, 2025 — WARNING
162,000 people exposed; $27,541M capital exposed
Landslide - American Cordillera, SE of Seattle, Washington, United States
December 5, 2023 — WARNING
4,370 people exposed; $133M capital exposed
Landslide - South Washington Cascades, E of Seattle, Washington, United States
March 12, 2026 — WARNING
122 people exposed; $25M capital exposed
Landslide Preparedness Tips
- 1.Learn the signs of an impending landslide — new cracks, tilting trees, unusual water flow
- 2.Avoid building near steep slopes, drainage channels, or past slide areas
- 3.Plant ground cover on slopes to stabilize soil and reduce erosion
- 4.Create proper drainage around your property to direct water away from slopes
- 5.Have an evacuation plan ready if you live in a landslide-prone area
Related Pages
How this data is built
Seattle, WA landslide risk combines Historical Event Intelligence with authoritative hazard modeling from the Geospatial Intelligence Layers catalog. Live landslide monitoring is available through the Event Intelligence API and the DisasterAWARE Platform.
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