Alaska

Comprehensive climate risk and disaster history profile

Billion-Dollar Events

$18.7B

Total Economic Impact

Counties

22.71

Avg Risk Score

Top Natural Hazards

Based on FEMA National Risk Index data across all 30 counties

Earthquake

63.08 Avg Risk Score

Tsunami

58.78 Avg Risk Score

Avalanche

52.34 Avg Risk Score

Cold Wave

50.46 Avg Risk Score

Volcano

42.23 Avg Risk Score

Wildfire

39.28 Avg Risk Score

Riverine Flooding

33.53 Avg Risk Score

Winter Weather

31.46 Avg Risk Score

Historical billion-dollar events by category (1980-2024)

wildfire 6 events

$18.7B

How disaster frequency and costs have changed over time

Counties with the highest overall risk scores based on FEMA NRI

Rank	County	Risk Score	Risk Rating	SVI Percentile
1	Anchorage	94.85	Relatively Moderate	60.5%
2	Kenai Peninsula	90.96	Relatively Moderate	47.2%
3	Matanuska-Susitna	88.96	Relatively Moderate	47.9%
4	Fairbanks North Star	82.37	Relatively Low	49.2%
5	Kodiak Island	68.76	Relatively Low	63.7%
6	Southeast Fairbanks	58.42	Relatively Low	67.5%
7	Yukon-Koyukuk	45.05	Very Low	88.1%
8	Aleutians West	35.22	Very Low	50.3%
9	Juneau	19.76	Very Low	35.3%
10	Sitka	18.49	Very Low	44.4%