Lewis County, Washington
Natural Hazard Risk Assessment — Population: 82,036
89.7NRI
Relatively Moderate
Overall Risk Rating
👥
Population
82,036
🏠
Building Value
$18.8B
💰
Annual Hazard Loss
$70.9M
⚠️
Hazards Tracked
15
Natural Hazard Risk Profile
🏔️
Relatively ModerateEarthquake
Annual Loss$30.4M
Risk Score97.3
⛰️
Relatively ModerateLandslide
Annual Loss$195K
Risk Score96.5
🌋
Relatively ModerateVolcanic Activity
Annual Loss$287K
Risk Score95.1
🌊
Relatively ModerateRiverine Flooding
Annual Loss$36.8M
Risk Score90.9
🏔️
Relatively HighAvalanche
Annual Loss$1.3M
Risk Score88.0
🌡️
Relatively LowHeat Wave
Annual Loss$1.2M
Risk Score77.9
🔥
Relatively LowWildfire
Annual Loss$263K
Risk Score76.7
⛄
Relatively LowWinter Weather
Annual Loss$40K
Risk Score40.2
Show all 15 hazards
❄️
Relatively LowIce Storm
Annual Loss$37K
Risk Score35.6
⚡
Relatively LowLightning
Annual Loss$103K
Risk Score32.4
💨
Relatively LowStrong Wind
Annual Loss$168K
Risk Score21.4
🌪️
Very LowTornado
Annual Loss$162K
Risk Score17.4
☀️
Very LowDrought
Annual Loss$46
Risk Score13.1
🧊
Very LowHail
Annual Loss$12K
Risk Score5.5
🥶
Very LowCold Wave
Annual Loss$149
Risk Score3.1
Lewis County vs. National Average
🎯 Overall Risk
89.7+41.0 vs avg
National avg: 48.7
🔥 Wildfire Risk
76.7+28.0 vs avg
National avg: 48.7
👥 Social Vulnerability
58.3+9.1 vs avg
National avg: 49.2
🛡️ Community Resilience
45.1-3.6 vs avg
National avg: 48.7
Community Profile
Social Vulnerability
58.3
Relatively ModerateHigher scores indicate greater social vulnerability to natural hazards.
Community Resilience
45.1
Relatively ModerateHigher 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.