Alameda County, California

Natural Hazard Risk Assessment — Population: 1,678,284

99.8NRI
Very High

Overall Risk Rating

👥

Population

1,678,284

🏠

Building Value

$373.4B

💰

Annual Hazard Loss

$1.9B

⚠️

Hazards Tracked

16

Natural Hazard Risk Profile

🏔️

Earthquake

Very High
Annual Loss$1.4B
Risk Score100.0
⛰️

Landslide

Relatively High
Annual Loss$5.7M
Risk Score99.8
🌊

Riverine Flooding

Very High
Annual Loss$490.5M
Risk Score99.7
🔥

Wildfire

Relatively High
Annual Loss$11.6M
Risk Score97.7
🌡️

Heat Wave

Relatively High
Annual Loss$13.4M
Risk Score97.6
🏖️

Coastal Flooding

Relatively High
Annual Loss$4.6M
Risk Score86.0
☀️

Drought

Relatively Moderate
Annual Loss$1.4M
Risk Score85.9
🌋

Volcanic Activity

Very Low
Annual Loss$348
Risk Score78.8
Show all 16 hazards
🌪️

Tornado

Relatively Moderate
Annual Loss$2.4M
Risk Score65.8
🌊

Tsunami

Relatively Low
Annual Loss$3.1M
Risk Score60.0

Lightning

Relatively Low
Annual Loss$235K
Risk Score47.5
🧊

Hail

Relatively Low
Annual Loss$167K
Risk Score35.8
💨

Strong Wind

Very Low
Annual Loss$94K
Risk Score11.3
🏔️

Avalanche

Very Low
Annual Loss$4
Risk Score6.6

Winter Weather

Very Low
Annual Loss$3K
Risk Score4.3
🥶

Cold Wave

No Rating
Annual Loss$0
Risk Score0.0

Alameda County vs. National Average

🎯 Overall Risk

99.8+51.1 vs avg

National avg: 48.7

🔥 Wildfire Risk

97.7+49.0 vs avg

National avg: 48.7

👥 Social Vulnerability

27.5-21.7 vs avg

National avg: 49.2

🛡️ Community Resilience

91.2+42.5 vs avg

National avg: 48.7

Community Profile

Social Vulnerability

27.5

Relatively Low

Higher scores indicate greater social vulnerability to natural hazards.

Community Resilience

91.2

Very High

Higher scores indicate better ability to prepare for, adapt to, and recover from hazards.

🔥 Wildfire Insurance Notice

Alameda County has relatively high wildfire risk. Homeowners should verify adequate fire coverage with their insurance provider. Standard policies may not fully cover wildfire damage in high-risk areas.

Frequently Asked Questions

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Data from FEMA National Risk Index. For informational purposes only. Consult local authorities for property-specific risk.