Moderate Risk California  ·  Wildfire / Earthquake

Mariposa County CA

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

7/ 10
Threat Score
Population
17
Area
1,451
sq miles
Primary Hazard
Wildfire / Earthquake
FEMA Disasters
8
federally declared

Mariposa County CA in California faces wildfire / earthquake risk across its 1,451 square mile area. Mariposa serves this Sierra Nevada county as gateway to Yosemite with wildfire risk. Mariposa 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 7 / 10    Moderate Risk
Primary Hazard Wildfire / Earthquake
Secondary Hazard Flash Flooding
FEMA Flood Zone Moderate
Federally Declared Disasters 8
Last Major Event 2018 Ferguson Fire
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (209) 966-3222
Emergency Shelters 3 designated facilities
Evacuation Routes State and US highways

// County Profile

County Mariposa County CA
State California (CA)
Population 17
Area 1,451 sq miles
FEMA Region Moderate

// Other California Counties