Natural Disaster Risk in Grantsville

Natural Hazard Profile: Grantsville, West Virginia

Located in the interior eastern United States in Calhoun County, Grantsville is a small community of about 2,089. The humid continental climate that characterizes this part of West Virginia — marked by cold winters, warm summers, and mountainous terrain that intensifies flooding — directly influences the types and severity of natural hazards present, making Grantsville a community where hazard awareness has real practical value.

Grantsville's overall natural disaster risk is rated 4.1/10 (Moderate) by FEMA's National Risk Index. Slope instability and debris flows are the primary natural hazard, driven by a combination of local geology, precipitation intensity, and terrain that creates susceptibility to failure. Secondary hazards include avalanche and hurricane.

Relative to other U.S. communities, Grantsville's natural disaster risk is near the U.S. national average of 4.5/10, slightly below the 5.0/10 state average. The hazard distribution here is led by landslide and avalanche, as measured by FEMA across Calhoun County. While city-specific sub-county variation exists, these scores represent the best available federal risk estimate.

With a moderate risk rating, Grantsville 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.