Moderate Risk Washington  ·  Earthquake / Volcanic

Skamania County WA

EMERGENCY PREPAREDNESS & DISASTER RISK PROFILE  ·  LAST UPDATED: Mar 2026

6/ 10
Threat Score
Population
11
Area
1,672
sq miles
Primary Hazard
Earthquake / Volcanic
FEMA Disasters
7
federally declared

Skamania County WA in Washington faces earthquake / volcanic risk across its 1,672 square mile area. Stevenson in the Columbia Gorge sits in Mt. St. Helens impact zone. Skamania serves as the county seat and regional emergency coordination hub.

// Recommended Supplies

Essential gear for power outages, severe weather, and emergency situations in your area.

// Risk Intelligence

Threat Score 6 / 10    Moderate Risk
Primary Hazard Earthquake / Volcanic
Secondary Hazard Wildfire
FEMA Flood Zone Moderate
Federally Declared Disasters 7
Last Major Event Mt. St. Helens 1980
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (509) 427-3980
Emergency Shelters 3 designated facilities
Evacuation Routes State and US highways

// County Profile

County Skamania County WA
State Washington (WA)
Population 11
Area 1,672 sq miles
FEMA Region Moderate

// Major Cities

Stevenson WA

// Cities in This County

// Other Washington Counties

// Nearby Infrastructure Risks

Critical infrastructure facilities within or near this area that could affect civilian safety during emergencies, conflict, or infrastructure failures.

🌊
Bonneville Dam OR WA
Major Dam  ·  Cascade Locks, OR  ·  US Army Corps of Engineers  ·  30-mi risk zone
8/10 High
🚂
Columbia River Gorge Rail Hazmat Corridor OR WA
Rail Infrastructure  ·  Portland, OR  ·  BNSF Railway / Union Pacific  ·  5-mi risk zone
8/10 High
Bonneville Dam Power Plant OR WA
Power Plant  ·  Cascade Locks, OR  ·  US Army Corps of Engineers / BPA  ·  10-mi risk zone
7/10 High

Infrastructure risk data is for emergency preparedness awareness. Facility locations are publicly known. Always follow official emergency guidance.