Uses real flood (FEMA), earthquake (USGS/CGS), and wildfire (CAL FIRE) hazard data for anywhere in California. Enter an address or use your current location.
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We query FEMA's flood database, USGS/CGS earthquake hazard data, and CAL FIRE's fire hazard severity zones, and give you a plain-English summary with an interactive map.
Flood chance next 30 years (today)
Projected flood chance by 2050
Projected flood chance by 2100
Official FEMA flood zone
FIRM Panel
Effective Date
SFHA (High Risk)
Study Type
How risk changes over time
Flood probability today
Flood probability by 2050
Flood probability by 2100
Source: FEMA NFHL (current zone) + California Ocean Protection Council 2022 sea level rise projections (mid-range scenario), calibrated to San Francisco Bay Area coastal trends and applied statewide as an approximation by flood-zone level — actual sea level rise varies by coastline and is not a relevant factor for inland addresses.
Flood action checklist
FEMA's flood data service is temporarily unavailable. Your earthquake and wildfire results below are unaffected — try again shortly for flood data.
USGS 2022 National Seismic Hazard Model, ASCE 7-22 standard
Earthquake hazard detail
Peak Ground Accel. (MCEg)
Ss / S1 (mapped MCEr)
Liquefaction Zone (CGS)
Earthquake Landslide Zone (CGS)
Alquist-Priolo Fault Zone (CGS)
Ground motion values assume a standard-occupancy building (Risk Category II) on default site soil conditions — actual values for your specific structure may differ.
Earthquake action checklist
USGS/CGS earthquake data is temporarily unavailable. Your flood and wildfire results are unaffected — try again shortly for earthquake data.
CAL FIRE / Office of the State Fire Marshal, Fire Hazard Severity Zones
Fire hazard detail
Responsibility Area
Map Effective Date
Wildfire action checklist
CAL FIRE's hazard data service is temporarily unavailable. Your flood and earthquake results are unaffected — try again shortly for wildfire data.
This tool displays live data from the FEMA National Flood Hazard Layer, USGS earthquake hazard services, the California Geological Survey, and CAL FIRE/OSFM, but is a community prototype for educational use. Always verify with the official source agency for insurance, construction, or legal decisions.