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Natural hazards · Geyserville

Geyserville, CA natural hazards

Most of the natural-hazard damage FEMA expects in Geyserville comes from earthquakes, and overall the risk is very high for a U.S. community. 3 federal disasters brought FEMA money into town.

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

How exposed is Geyserville?

98
Very high
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Geyserville to be higher than in 98% of U.S. communities, mostly from earthquakes and inland flooding.

Earthquakes33%Inland flooding25%Drought24%Wildfire10%Landslides8%
By hazard

What Geyserville faces

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

Earthquakes

33% of expected damage
Well above average · among the top 1% of U.S. places

Inland flooding

25% of expected damage
Well above average · higher than 92% of U.S. places
Recorded about 3 times a year in the area

Drought

24% of expected damage
Recorded about 39 times a year in the area

Wildfire

10% of expected damage
Well above average · among the top 1% of U.S. places

Landslides

8% of expected damage
Well above average · among the top 1% of U.S. places

Lower here

TornadoesHailWinter weatherHeat wavesStrong windLightningAvalanchesVolcanic activity

Not a risk here

Coastal floodingHurricanesIce stormsCold wavesTsunamis
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 Geyserville flood?

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

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

What’s been done with FEMA grants

2homes raised above flood level
Disasters that hit Geyserville

3 federal disasters brought FEMA money here

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

Brought FEMA money into GeyservilleDeclared for Sonoma County only
2020

Wildfires

19 households applied for aid $500 aid approved
2017

Wildfires

29 households applied for aid $5K aid approved
2005

Severe Storms, Flooding, Mudslides, and Landslides

1 household applied for aid $636 aid approved
Sonoma County has had 29 natural disasters declared since 1953, most often floods and severe storms.
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. Geyserville 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 Geyserville’s own flood-insurance community; household aid to the registrant’s city; repair grants to Geyserville. 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.

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/19 · 2025-01-01
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