Natural hazards · Thorne Bay

Thorne Bay, AK natural hazards

Most of the natural-hazard damage FEMA expects in Thorne Bay comes from inland flooding, and overall the risk is very low for a U.S. community.

FEMA National Risk Index, December 2025 · OpenFEMA claims, aid & declarations

Expected damage

How exposed is Thorne Bay?

Very low

vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Thorne Bay to be higher than in 1% of U.S. communities, mostly from inland flooding and landslides.

Inland flooding48%Landslides17%Earthquakes17%Tsunamis13%Everything else5%

By hazard

What Thorne Bay faces

Each hazard’s share of the damage FEMA expects here, and how that compares with the rest of the country.

Inland flooding

48% of expected damage

Well below average · higher than 2% of U.S. places

Landslides

17% of expected damage

Well above average · among the top 1% of U.S. places

Earthquakes

17% of expected damage

Above average · higher than 70% of U.S. places

Tsunamis

13% of expected damage

Well above average · among the top 1% of U.S. places

Lower here

TornadoesIce stormsWinter weatherCold wavesWildfireLightningAvalanchesVolcanic activity

Not a risk here

Coastal floodingHurricanesHailHeat wavesStrong windDrought

Flood risk changes street by street. Check a specific address on FEMA’s flood map, and ask about flood insurance before you buy.

Flood insurance claims

Does Thorne Bay flood?

FEMA's records show no paid flood insurance claims in Thorne Bay.

Disasters that hit Thorne Bay

Federal disasters declared here

None of the disasters declared for Prince of Wales-Hyder Census Area shows FEMA aid or repair money reaching Thorne Bay itself in FEMA’s records.

Brought FEMA money into Thorne BayDeclared for Prince of Wales-Hyder Census Area only

Prince of Wales-Hyder Census Area has had 1 natural disaster declared since 1953, most often landslides.

About these numbers

How to read this page

An average, not a forecastFEMA’s National Risk Index estimates the damage 18 kinds of natural hazards cause in a typical year, from decades of records and models. A quiet decade can follow a bad year.

Compared by rate“Higher than N%” compares yearly damage as a share of what’s here, so a big city isn’t rated riskier just for having more buildings. Thorne Bay is smaller than a census tract, so it shares the figures of the tract around its center.

Money that reached townFlood claims are matched to Thorne Bay’s own flood-insurance community; household aid to the registrant’s city; repair grants to the City of Thorne Bay. FEMA’s model follows property values, so a place that recently lost many homes can rate lower than it feels.

Sources: FEMA National Risk Index (December 2025); OpenFEMA: NFIP redacted claims, multiple-loss properties, community status book and residential penetration rates, housing assistance (owners and renters), public assistance funded projects, hazard mitigation properties and disaster declarations. Census tracts: U.S. Census Bureau.