Natural disaster risk in Ketchikan Gateway Borough, Alaska
Alaska · population 13,937 · FIPS 02130
Overall: very low risk
Ketchikan Gateway Borough has a composite risk score of 1.7 out of 100 — higher than 1% of US counties. It ranks 26 of 30 in Alaska (1 = highest risk). Its highest-rated hazards are avalanche, landslide, winter weather.
Drought now: No: no drought or dryness
No. On the U.S. Drought Monitor map valid 13 October 2026, no part of Ketchikan Gateway Borough is in drought or abnormally dry (none of D0 to D4). That has been so for 1 week so far.
Drought in Ketchikan Gateway Borough: the last 52 weeks · droughtmonitor.unl.edu
The U.S. Drought Monitor is jointly produced by the National Drought Mitigation Center at the University of Nebraska-Lincoln, the United States Department of Agriculture, the National Oceanic and Atmospheric Administration and the National Aeronautics and Space Administration. Map courtesy of NDMC.
Risk, loss, vulnerability and resilience
| Measure | Rating and score |
|---|---|
| Overall risk Expected annual loss, adjusted for social vulnerability and community resilience. |
Very low 1.7 |
| Expected annual loss About $1.9 million a year, on average, across all 18 hazards. |
Very low 1.8 |
| Social vulnerability Higher means people may find it harder to prepare and recover. |
Relatively low 28.1 |
| Community resilience Higher means a stronger ability to prepare, adapt and recover. |
Relatively high 68.6 |
Risk by hazard
FEMA's risk rating for each of 18 natural hazards in Ketchikan Gateway Borough, highest first. "Not applicable" means the hazard is not modelled here.
| Hazard | Risk rating and score |
|---|---|
| Avalanche | Relatively moderate 80 |
| Landslide | Relatively low 86 |
| Winter weather | Relatively low 53 |
| Volcanic activity | Very low 80 |
| Tsunami | Very low 36 |
| Earthquake | Very low 31 |
| Coastal flooding | Very low 26 |
| Ice storm | Very low 19 |
| Wildfire | Very low 10 |
| Lightning | Very low 4 |
| Inland (riverine) flooding | Very low 4 |
| Tornado | Very low 0 |
| Cold wave | No rating |
| Drought | No rating |
| Hail | No rating |
| Heat wave | Insufficient data |
| Hurricane | Not applicable |
| Strong wind | No rating |
FEMA disaster declarations for Ketchikan Gateway Borough
Federal declarations that designated Ketchikan Gateway Borough, since 1 Jan 2024 (the period this site keeps from OpenFEMA). Older declarations are in FEMA's own dataset.
Yes. Ketchikan Gateway Borough has been named in 1 FEMA declaration since 1 Jan 2024. The latest is DR-4846-AK (Landslides), declared 13 Nov 2024.
| Declaration | Kind | Incident | Declared | Individual assistance here |
|---|---|---|---|---|
| DR-4846-AK | Major disaster | Landslides | 13 Nov 2024 | No |
All FEMA declarations in Alaska, with estimated apply-by dates · Open FEMA deadlines
This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s). Dataset: Disaster Declarations Summaries - v2.
How to read these ratings
- Ratings run in five steps: very low, relatively low, relatively moderate, relatively high and very high. They compare a county with every other US county; they are not a measure of danger on their own.
- Scores run from 0 to 100 and are national percentiles. The bar shows the score: a score of 80 means a higher value than 80% of US counties.
- Overall risk combines the expected annual loss with social vulnerability and community resilience.
- Expected annual loss is the average yearly loss to buildings, people and agriculture the model expects from all 18 hazards.
- Social vulnerability describes how hard it may be for people to prepare for and recover from a disaster. Higher is worse.
- Community resilience describes a community's ability to prepare, adapt and recover. Higher is better.
- "Not applicable" means FEMA does not model that hazard there (for example, hurricanes far inland).
About this data
Source: FEMA National Risk Index, version 1.20, released December 2025, published by the Federal Emergency Management Agency (US public domain). About the National Risk Index. The index is a model of relative risk built from historical hazard records, what is exposed and community factors. It is not a forecast, it does not describe any single property, and it is not insurance or financial advice. For decisions about a specific address, check FEMA's flood maps and your local emergency management office.
Questions
What is the natural disaster risk in Ketchikan Gateway Borough, Alaska?
FEMA's National Risk Index rates the overall risk in Ketchikan Gateway Borough as very low, with a score of 1.7 out of 100 (higher than 1% of US counties). That is a comparison with other US counties, not a forecast.
What are the biggest natural hazards in Ketchikan Gateway Borough?
The hazards rated highest for Ketchikan Gateway Borough are avalanche (relatively moderate), landslide (relatively low), winter weather (relatively low).
What is the flood risk in Ketchikan Gateway Borough?
FEMA rates inland (river and rain) flooding risk in Ketchikan Gateway Borough as very low, and coastal flooding risk as very low. For a specific property, check the FEMA flood map and your local floodplain office.
Has Ketchikan Gateway Borough had a FEMA disaster declaration?
Yes. Ketchikan Gateway Borough has been named in 1 FEMA declaration since 1 Jan 2024. The latest is DR-4846-AK (Landslides), declared 13 Nov 2024.
Is Ketchikan Gateway Borough in a drought?
No. On the U.S. Drought Monitor map valid 13 October 2026, no part of Ketchikan Gateway Borough is in drought or abnormally dry (none of D0 to D4). That has been so for 1 week so far.
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