San Francisco County, California
Natural Hazard Risk Assessment — Population: 873,808
99.5NRI
Very High
Overall Risk Rating
👥
Population
873,808
🏠
Building Value
$173.9B
💰
Annual Hazard Loss
$853.4M
⚠️
Hazards Tracked
15
Natural Hazard Risk Profile
🏔️
Very HighEarthquake
Annual Loss$662.1M
Risk Score99.8
🌊
Relatively HighRiverine Flooding
Annual Loss$177.7M
Risk Score98.6
⛰️
Relatively HighLandslide
Annual Loss$829K
Risk Score98.4
🌡️
Relatively ModerateHeat Wave
Annual Loss$4.7M
Risk Score93.9
🌊
Relatively ModerateTsunami
Annual Loss$6.0M
Risk Score72.3
☀️
Relatively ModerateDrought
Annual Loss$488K
Risk Score69.3
🏖️
Relatively ModerateCoastal Flooding
Annual Loss$638K
Risk Score62.0
🌪️
Relatively LowTornado
Annual Loss$652K
Risk Score34.9
Show all 15 hazards
⚡
Relatively LowLightning
Annual Loss$104K
Risk Score29.9
🔥
Very LowWildfire
Annual Loss$13K
Risk Score28.7
🌋
Very LowVolcanic Activity
Annual Loss$1
Risk Score28.3
🧊
Very LowHail
Annual Loss$62K
Risk Score18.1
💨
Very LowStrong Wind
Annual Loss$74K
Risk Score10.3
⛄
Very LowWinter Weather
Annual Loss$0
Risk Score1.2
🥶
No RatingCold Wave
Annual Loss$0
Risk Score0.0
San Francisco County vs. National Average
🎯 Overall Risk
99.5+50.8 vs avg
National avg: 48.7
🔥 Wildfire Risk
28.7-20.0 vs avg
National avg: 48.7
👥 Social Vulnerability
48.1-1.1 vs avg
National avg: 49.2
🛡️ Community Resilience
99.7+51.0 vs avg
National avg: 48.7
Community Profile
Social Vulnerability
48.1
Relatively ModerateHigher scores indicate greater social vulnerability to natural hazards.
Community Resilience
99.7
Very HighHigher scores indicate better ability to prepare for, adapt to, and recover from hazards.
Frequently Asked Questions
Data from FEMA National Risk Index. For informational purposes only. Consult local authorities for property-specific risk.