Griffin, GA: what USGS's seismic model says

USGS's ASCE 7-16 seismic design model - the same standard building codes use - places Griffin in Seismic Design Category B: Low seismic hazard. Code requires basic seismic detailing (bracing, connections) but no special structural system restrictions. Rank it against the rest of the country and Griffin sits at the 48th percentile for seismic hazard among 4,875 US cities.

Griffin by the numbers

The raw figures: peak ground acceleration 0.074g, short-period spectral response 0.153g, 1-second spectral response 0.078g. Among 148 Georgia cities in this dataset, Griffin ranks 123 for seismic hazard, the 17th percentile within the state. About 23,994 people live in Griffin, Georgia.

Bracing and bolting: the actual cost

Outside California, no state-level retrofit grant equivalent to Brace + Bolt could be found for Georgia. A typical retrofit still runs $5,000-$10,000 nationally, about $7,000 for a common single-family job.

Earthquake insurance for a Griffin home

Outside California, earthquake coverage is typically sold as an endorsement added to a standard homeowners policy, not a separate product - worth asking about directly when getting a home-insurance quote for a Griffin address.

More on how this number was built

The methodology guide covers exactly how USGS's public design-maps API produced Griffin's numbers. The guide to what a Seismic Design Category actually means covers why a category is never a substitute for an engineer's assessment of one specific house.