Natural Disaster Risk in Clark County

Natural Hazard Profile: Clark County, Washington

Clark County, in the United States in Washington, is characterized by its oceanic climate — mild, rainy winters west of the Cascades and semi-arid conditions to the east. The county faces a critical wildfire period in eastern Washington each summer, and its FEMA risk assessment establishes the hazard baseline shared by all the towns and cities it contains.

According to FEMA's National Risk Index, Clark County carries an overall risk score of 7.2/10, placing it in the high category. Volcanic activity is the foremost natural hazard, with the area situated near active volcanic systems capable of producing lava flows, ashfall, and pyroclastic hazards. The area also faces notable exposure to earthquake and cold wave.

Within Washington, Clark County's risk is, slightly above the 5.8/10 state average. Nationally, it ranks well above the U.S. national average of 4.5/10. FEMA's analysis of Clark County identifies volcano as the foremost hazard, followed by earthquake and cold wave. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

Clark County's high risk designation reflects meaningful exposure to natural hazards. Residents should verify that their insurance covers the area's primary risks, prepare a family emergency plan, and stay informed about seasonal hazard peaks through local weather and emergency management services.