Covington's Seismic Design Category, explained
Under the seismic model IBC and ASCE 7 use for new construction, Covington is 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 Covington sits at the 53th percentile for seismic hazard among 4,875 US cities.
How Covington compares
The raw figures: peak ground acceleration 0.09g, short-period spectral response 0.18g, 1-second spectral response 0.082g. Among 148 Georgia cities in this dataset, Covington ranks 97 for seismic hazard, the 35th percentile within the state. About 15,302 people live in Covington, Georgia.
What a retrofit costs in Covington
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.
What this means for insurance
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 Covington address.
More on how this number was built
The methodology guide covers exactly how USGS's public design-maps API produced Covington'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.