Hazard Vulnerability Matrix – Completed Example Hazard Probability Impact Frequency Distribution

Toolkit IS-559 / G-556

List specific hazards which could occur in your community. Include natural hazards as well as adversarial or human-caused hazards.

High Moderate Low None

Major Minor None

50 years 10 years 5-10 years 2-3 years every year several times per year

Regional County-wide Localized N/A

Civil Disturbance Low Minor 50 years Localized

Communications Failure Medium Minor 10 years Regional

Drought Low Minor 50 years Regional

Earthquake None None N/A N/A

Epidemic Medium Major 50 years Regional

Fire Low Minor 10 years Localized

Flooding Medium Major 5-10 years County-wide

Gas Leak Low Minor 50 years Localized

Hazardous Material Spill Low Minor 50 years Localized

Hurricane Medium Major 50 years County-wide

Ice Storm Low Minor 50 years County-wide

Landslide None None N/A N/A

Plane/Train/Auto Crash Low Minor 10 years Localized

Terrorism Low Minor 50 years County-wide

Tornado Low Minor 10 years County-wide

Tropical Storm Medium Minor 10 years County-wide

Tsunami None None N/A N/A

Water Pipe Break Medium Minor 10 years Localized

Wildfire Low Minor 50 years Localized

Work Stoppage Low Minor 50 years Localized

Note: This is not a comprehensive list of hazards. Be sure to identify and list hazards that could affect your community.