American Samoa Natural Disaster Risk by County
FEMA National Risk Index rankings for all 3 counties
American Samoa spans 3 counties with an average FEMA National Risk Index score of 0.0 (very low risk) and roughly $65M in combined expected annual loss statewide. No county in the state reaches the High risk band.
Topping the rankings is Eastern District (score 0.0, very low), while Western District (score 0.0) carries the lowest. Use the table below to compare every county by score, top hazard, and expected annual loss.
County Rankings
| # | County | Risk Score | Risk Rating | Top Hazard | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Eastern District | Very Low | Avalanche | $45M | |
| 2 | Manu'a District | Very Low | Avalanche | $2M | |
| 3 | Western District | Very Low | Avalanche | $18M |
All 3 American Samoa counties, ranked by FEMA National Risk Index score.
Frequently Asked Questions
Which American Samoa county has the highest natural disaster risk?
Eastern District has the highest FEMA National Risk Index score in American Samoa at 0.0 (Very Low), driven largely by avalanche.
What is the average natural disaster risk in American Samoa?
American Samoa counties average a National Risk Index score of 0.0 across 3 counties, with 0 rated High or Very High risk.
How much are expected annual losses across American Samoa?
FEMA estimates roughly $65M in combined expected annual loss from natural hazards across all American Samoa counties.