Santa Clara County in Silicon Valley sits near the San Andreas Fault and experienced the devastating 1989 Loma Prieta earthquake. The county also faces wildfire risk in the Santa Cruz Mountains and Diablo Range. Its dense urban population and critical tech infrastructure make earthquake preparedness especially high-stakes.
// 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 | 7 / 10 High Risk |
| Primary Hazard | Earthquake / Wildfire |
| Secondary Hazard | Flooding |
| FEMA Flood Zone | Zone X (Seismic High Risk) |
| Federally Declared Disasters | 44 |
| Last Major Event | Loma Prieta Earthquake (1989) |
| Event Frequency | Major event every 4–6 years |
// Emergency Operations
| Emergency Mgmt Phone | (408) 808-7800 |
| Emergency Shelters | 55 designated facilities |
| Evacuation Routes | US-101 South, I-280 North, I-880 North, SR-85 |
// County Profile
| County | Santa Clara County CA |
| State | California (CA) |
| Population | 1,927,852 |
| Area | 1291 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.