Natural hazards · Seaside

Seaside, OR natural hazards

Most of the natural-hazard damage FEMA expects in Seaside comes from tsunamis, and overall the risk is very high for a U.S. community. Flood insurance has paid 18 claims here since 1990. 2 federal disasters brought FEMA money into town.

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

How exposed is Seaside?

95
Very high
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Seaside to be higher than in 95% of U.S. communities, mostly from tsunamis.

Tsunamis92%Everything else8%
By hazard

What Seaside faces

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

Tsunamis

92% of expected damage
Well above average · among the top 1% of U.S. places

Lower here

Inland floodingCoastal floodingTornadoesHailIce stormsWinter weatherCold wavesHeat wavesWildfireEarthquakesLandslidesStrong windLightningVolcanic activity

Not a risk here

HurricanesDroughtAvalanches
Check a specific address on FEMA’s flood map, and ask about flood insurance before you buy.
Flood insurance claims

Does Seaside flood?

Every paid claim on a federal flood insurance policy in Seaside, from FEMA’s records.

18paid claims since 1990
$114Kpaid to owners
2homes flooded more than once
19902026

Biggest named events

  • Winter storm: 1 claim, $9K

Homes that flooded again and again

■ FEMA “severe repetitive loss” (0) ■ flooded 2+ times

of homes in flood zones
are insured
of all homes
are insured
No community discount. Seaside isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Clatsop County.

What’s been done with FEMA grants

1homes raised above flood level
Disasters that hit Seaside

2 federal disasters brought FEMA money here

Disasters the President declared that paid out in Seaside itself: aid to households, or repair grants to the City of Seaside.

Brought FEMA money into SeasideDeclared for Clatsop County only
2007

Severe Storms, Flooding, Landslides, and Mudslides

490 households applied for aid $429K aid approved $61K to the City of Seaside for repairs
2005

Severe Storms, Flooding, Landslides, and Mudslides

$17K to the City of Seaside for repairs
Clatsop County has had 16 natural disasters declared since 1953, most often severe storms and floods.
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. Seaside covers 1 census tract, combined by population.
Money that reached townFlood claims are matched to Seaside’s own flood-insurance community; household aid to the registrant’s city; repair grants to the City of Seaside. FEMA’s model follows property values, so a place that recently lost many homes can rate lower than it feels.

FEMA’s expected losses across Seaside total about $67.0M a year, counting buildings, people and crops.

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.

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/18 · 2025-01-01