Earthquake Risk in Maine
All Maine counties ranked by FEMA National Risk Index earthquake score
Earthquake risk — ground shaking from sudden movement along geologic faults — is rated for 16 of 16 Maine counties in FEMA's National Risk Index. York County carries the state's highest earthquake score at 83.8, with $3M in expected annual earthquake losses.
No Maine county reaches the High band for earthquake, and expected annual losses from earthquake total roughly $14M statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Earthquake
| # | County | Earthquake Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | York County | Low | 0.00 / yr | $3M | |
| 2 | Cumberland County | Low | 0.00 / yr | $3M | |
| 3 | Penobscot County | Low | 0.00 / yr | $2M | |
| 4 | Aroostook County | Low | 0.00 / yr | $1M | |
| 5 | Kennebec County | Low | 0.00 / yr | $1M | |
| 6 | Androscoggin County | Low | 0.00 / yr | $1M | |
| 7 | Oxford County | Low | 0.00 / yr | $407K | |
| 8 | Somerset County | Very Low | 0.00 / yr | $431K | |
| 9 | Hancock County | Very Low | 0.00 / yr | $321K | |
| 10 | Sagadahoc County | Very Low | 0.00 / yr | $293K | |
| 11 | Lincoln County | Very Low | 0.00 / yr | $246K | |
| 12 | Washington County | Very Low | 0.00 / yr | $166K | |
| 13 | Knox County | Very Low | 0.00 / yr | $279K | |
| 14 | Franklin County | Very Low | 0.00 / yr | $217K | |
| 15 | Waldo County | Very Low | 0.00 / yr | $190K | |
| 16 | Piscataquis County | Very Low | 0.00 / yr | $153K |
16 Maine counties with measurable earthquake risk. See the national earthquake ranking or all Maine counties by overall risk.
Frequently Asked Questions
Which Maine county has the highest earthquake risk?
York County has the highest FEMA earthquake risk score in Maine at 83.8 (Low), with $3M in expected annual losses and about 0.00 events per year.
How many Maine counties face significant earthquake risk?
16 Maine counties record measurable earthquake risk in FEMA's National Risk Index; 0 of them are rated High or Very High.