Does Statesville, NC need an earthquake retrofit?

Under the seismic model IBC and ASCE 7 use for new construction, Statesville is Category B. Low seismic hazard. Code requires basic seismic detailing (bracing, connections) but no special structural system restrictions. Nationally, Statesville ranks above 54% of the 4,875 cities in this dataset for seismic hazard - the 54th percentile.

How Statesville compares

The raw figures: peak ground acceleration 0.094g, short-period spectral response 0.185g, 1-second spectral response 0.076g. Among 147 North Carolina cities in this dataset, Statesville ranks 52 for seismic hazard, the 65th percentile within the state. About 31,693 people live in Statesville, North Carolina.

Retrofit economics for Statesville

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.

Earthquake insurance for a Statesville 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 Statesville address.

More on how this number was built

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