Lynn Haven, FL: what USGS's seismic model says

USGS's ASCE 7-16 seismic design model - the same standard building codes use - places Lynn Haven in Seismic Design Category B: Low seismic hazard. Code requires basic seismic detailing (bracing, connections) but no special structural system restrictions. Nationally, Lynn Haven ranks above 17% of the 4,875 cities in this dataset for seismic hazard - the 17th percentile.

Lynn Haven by the numbers

USGS's underlying values for Lynn Haven: 0.032g peak ground acceleration, 0.068g at short period, 0.05g at 1 second. Within Florida alone, Lynn Haven ranks 34 of 228 cities by seismic hazard - the 85th percentile in-state. Lynn Haven has a population of about 21,954.

What a retrofit costs in Lynn Haven

A full earthquake retrofit typically runs $5,000-$10,000 nationally (around $7,000 typical), driven mainly by house size and foundation type, not by Florida specifically. California's Earthquake Brace + Bolt grant, which covers a large share of this cost, is a California-only program and does not apply in Florida.

What this means for insurance

A Lynn Haven homeowner cannot buy a standalone earthquake policy in most cases - it is added to an existing homeowners policy as an endorsement, so the place to start is a regular home-insurance quote.

Where Lynn Haven's figures come from

Lynn Haven's Category B and every number above trace to USGS's own ASCE 7-16 Design Maps service - see the methodology guide. See the category explainer for what Category B does and doesn't tell you about Lynn Haven.