Earthquake Risk in San Francisco, CA — 2026 Report
Source: USGS National Seismic Hazard Model
Very High
Earthquake Risk Score: 96/100
Very High Risk
Earthquake risk is derived from USGS probabilistic seismic hazard maps, proximity to active fault systems, soil liquefaction potential, and historical seismic event frequency.
Historical Earthquake Events — San Francisco
| Date | Description | Magnitude | Fatalities | Injuries | Source |
|---|---|---|---|---|---|
| 1989-10-17 | Loma Prieta Earthquake — 63 deaths, World Series delayed | 6.9 | 63 | 3757 | USGS |
| 1906-04-18 | Great San Francisco Earthquake and Fire — 3,000+ deaths | 7.9 | 3000 | 0 | USGS |
Earthquake Preparedness for San Francisco Residents
- 1.Secure heavy furniture and appliances to walls
- 2.Know to Drop, Cover, and Hold On during shaking
- 3.Store emergency supplies (water, food, first aid)
- 4.Consider earthquake insurance — standard policies don't cover it
- 5.Check your home's foundation and retrofit if needed