San Bernardino County is the largest county by area in the contiguous United States, spanning desert, mountain, and urban terrain. This diversity creates multiple hazard zones: wildfire in mountain communities, earthquake risk along the San Andreas Fault which runs directly through the county, and flash flooding in desert washes.
// Risk Intelligence
| Threat Score | 8 / 10 High Risk |
| Primary Hazard | Wildfire / Earthquake |
| Secondary Hazard | Flash Flooding |
| FEMA Flood Zone | Zone X (Seismic High Risk) |
| Federally Declared Disasters | 55 |
| Last Major Event | Apple Fire (2020) |
| Event Frequency | Major event every 3–4 years |
// Emergency Operations
| Emergency Mgmt Phone | (909) 356-3998 |
| Emergency Shelters | 48 designated facilities |
| Evacuation Routes | I-15 North, I-10 East, I-40 East, SR-18 |
// Recommended Preparedness Gear
Based on San Bernardino County CA's primary hazard profile (Wildfire / Earthquake), the following gear is recommended for a High risk area.
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// County Profile
| County | San Bernardino County CA |
| State | California (CA) |
| Population | 2181654 |
| Area | 20105 sq miles |
| FEMA Region | Zone X (Seismic High Risk) |
// Other California Counties
Sonoma County CA
Wildfire / Earthquake
8/10
High
Stanislaus County CA
Flooding / Wildfire
6/10
Moderate
Contra Costa County CA
Earthquake / Wildfire
7/10
High
Fresno County CA
Wildfire / Extreme Heat
6/10
Moderate
Marin County CA
Wildfire / Earthquake
7/10
High
Mendocino County CA
Wildfire / Flooding
7/10
High