Does Abbeville, LA need an earthquake retrofit?

Abbeville carries Seismic Design Category B under USGS's ASCE 7-16 model. Low seismic hazard. Code requires basic seismic detailing (bracing, connections) but no special structural system restrictions. That puts Abbeville in the 21th percentile nationally for seismic hazard - higher than 21% of the 4,875 US cities USGS was checked against here.

Where Abbeville sits in Louisiana

The raw figures: peak ground acceleration 0.04g, short-period spectral response 0.081g, 1-second spectral response 0.05g. Among 59 Louisiana cities in this dataset, Abbeville ranks 56 for seismic hazard, the 5th percentile within the state. About 10,902 people live in Abbeville, Louisiana.

Bracing and bolting: the actual cost

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

Insuring against this, not just retrofitting

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 Abbeville address.

More on how this number was built

The methodology guide covers exactly how USGS's public design-maps API produced Abbeville'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.