Earthquake Risk in San Antonio, TX — 2026 Report
Source: USGS National Seismic Hazard Model
Very Low
Earthquake Risk Score: 15/100
Very Low 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 Antonio
Historical event data is being processed for San Antonio. Significant earthquake events will appear here once our NOAA/USGS data ingestion is complete.
Earthquake Preparedness for San Antonio 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