Volcanic Activity Risk in Hawaii
All Hawaii counties ranked by FEMA National Risk Index volcanic activity score
Volcanic Activity risk — eruptions producing ashfall, lava, and pyroclastic hazards — is rated for 3 of 5 Hawaii counties in FEMA's National Risk Index. Hawaii County carries the state's highest volcanic activity score at 100.0, with $26M in expected annual volcanic activity losses.
2 Hawaii counties are rated High or Very High for volcanic activity, and expected annual losses from volcanic activity total roughly $29M statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Volcanic Activity
| # | County | Volcanic Activity Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Hawaii County | Very High | 0.02 / yr | $26M | |
| 2 | Maui County | High | 0.00 / yr | $2M | |
| 3 | Kalawao County | Very Low | 0.00 / yr | $0 |
3 Hawaii counties with measurable volcanic activity risk. See the national volcanic activity ranking or all Hawaii counties by overall risk.
Frequently Asked Questions
Which Hawaii county has the highest volcanic activity risk?
Hawaii County has the highest FEMA volcanic activity risk score in Hawaii at 100.0 (Very High), with $26M in expected annual losses and about 0.02 events per year.
How many Hawaii counties face significant volcanic activity risk?
3 Hawaii counties record measurable volcanic activity risk in FEMA's National Risk Index; 2 of them are rated High or Very High.