Landslide Risk in Seattle, WA
Risk Level: Very High — Score 7/10
Live Landslide alert status near Seattle
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Live landslide map around Seattle
Shows landslide warnings and events that are active right now, refreshed through the day. When none are active, the map is empty by design.
Key Risk Factors
- FEMA rates Seattle's county as Relatively High risk
- Estimated annual loss of $2M from this hazard type
- 38 events recorded in proximity in recent decades
- 5 event(s) in the 12 months to Aug 9, 2026
- 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 (February 2024) — 196,000 people exposed; $49,159M capital exposed.
Landslide - American Cordillera, SW of Seattle, Washington, United States
February 1, 2024 — WARNING
196,000 people exposed; $49,159M capital exposed
Landslide - Pacific Coast Ranges, SW of Seattle, Washington, United States
December 20, 2024 — WARNING
168,030 people exposed; $30,430M capital exposed
Landslide - American Cordillera, SW of Seattle, Washington, United States
March 28, 2025 — WARNING
162,000 people exposed; $27,541M capital exposed
Landslide - American Cordillera, SE of Seattle, Washington, United States
December 6, 2023 — WARNING
4,370 people exposed; $133M capital exposed
Landslide - South Washington Cascades, E of Seattle, Washington, United States
March 13, 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.
The data behind this page
Every score and event here comes from DisasterAWARE's hazard database — available as downloadable historical datasets and a real-time API.
Monitor Landslide Risk in Real Time
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