Does Aberdeen, NC need an earthquake retrofit?

USGS's ASCE 7-16 seismic design model - the same standard building codes use - places Aberdeen in Seismic Design Category B: Low seismic hazard. Code requires basic seismic detailing (bracing, connections) but no special structural system restrictions. That puts Aberdeen in the 52th percentile nationally for seismic hazard - higher than 52% of the 4,875 US cities USGS was checked against here.

Where Aberdeen sits in North Carolina

The raw figures: peak ground acceleration 0.085g, short-period spectral response 0.171g, 1-second spectral response 0.076g. Among 147 North Carolina cities in this dataset, Aberdeen ranks 66 for seismic hazard, the 55th percentile within the state. About 9,573 people live in Aberdeen, North Carolina.

What a retrofit costs in Aberdeen

Outside California, no state-level retrofit grant equivalent to Brace + Bolt could be found for North Carolina. 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 Aberdeen address.

More on how this number was built

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