Bel Aire's Seismic Design Category, explained

USGS's ASCE 7-16 seismic design model - the same standard building codes use - places Bel Aire in Seismic Design Category B: Low seismic hazard. Code requires basic seismic detailing (bracing, connections) but no special structural system restrictions. Nationally, Bel Aire ranks above 22% of the 4,875 cities in this dataset for seismic hazard - the 22th percentile.

Bel Aire by the numbers

The raw figures: peak ground acceleration 0.042g, short-period spectral response 0.088g, 1-second spectral response 0.055g. Among 63 Kansas cities in this dataset, Bel Aire ranks 47 for seismic hazard, the 26th percentile within the state. About 10,066 people live in Bel Aire, Kansas.

What a retrofit costs in Bel Aire

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

Earthquake insurance for a Bel Aire 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 Bel Aire address.

More on how this number was built

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