Does Blair, NE need an earthquake retrofit?

Blair 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. Rank it against the rest of the country and Blair sits at the 18th percentile for seismic hazard among 4,875 US cities.

Where Blair sits in Nebraska

The raw figures: peak ground acceleration 0.036g, short-period spectral response 0.074g, 1-second spectral response 0.044g. Among 32 Nebraska cities in this dataset, Blair ranks 15 for seismic hazard, the 55th percentile within the state. About 7,999 people live in Blair, Nebraska.

Retrofit economics for Blair

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

More on how this number was built

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