High Risk California  ·  Wildfire / Earthquake

Sonoma County CA

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

8/ 10
Threat Score
Population
494,336
Area
1576
sq miles
Primary Hazard
Wildfire / Earthquake
FEMA Disasters
48
federally declared

Sonoma County suffered catastrophic losses in the 2017 Tubbs Fire, which destroyed 5,600 structures and killed 22 people in one of the deadliest fires in California history. The county also sits near the Rodgers Creek Fault. Combined with flooding risk along the Russian River, Sonoma County faces a complex multi-hazard environment.

// Recommended Supplies

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

// Risk Intelligence

Threat Score 8 / 10    High Risk
Primary Hazard Wildfire / Earthquake
Secondary Hazard Flooding
FEMA Flood Zone Zone X (Seismic High Risk)
Federally Declared Disasters 48
Last Major Event Tubbs Fire (2017)
Event Frequency Major event every 3–4 years

// Emergency Operations

Emergency Mgmt Phone (707) 565-3856
Emergency Shelters 26 designated facilities
Evacuation Routes US-101 North, SR-116 West, SR-12 East

// County Profile

County Sonoma County CA
State California (CA)
Population 494,336
Area 1576 sq miles
FEMA Region Zone X (Seismic High Risk)

// Major Cities

Santa Rosa CA

// Cities in This County

// Other California Counties