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.
// Recommended Supplies
Essential gear for power outages, severe weather, and emergency situations in your area.
- Emergency Food Supplies
- Water Filtration & Storage
- Backup Generator
- Solar Backup Power
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// 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 |
// County Profile
| County | San Bernardino County CA |
| State | California (CA) |
| Population | 2,181,654 |
| Area | 20105 sq miles |
| FEMA Region | Zone X (Seismic High Risk) |
// Major Cities
// Cities in This County
// Other California Counties
// Nearby Infrastructure Risks
Critical infrastructure facilities within or near this area that could affect civilian safety during emergencies, conflict, or infrastructure failures.
Infrastructure risk data is for emergency preparedness awareness. Facility locations are publicly known. Always follow official emergency guidance.