Stickney's Seismic Design Category, explained

Under the seismic model IBC and ASCE 7 use for new construction, Stickney is Category B. 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 Stickney sits at the 38th percentile for seismic hazard among 4,875 US cities.

Where Stickney sits in Illinois

The raw figures: peak ground acceleration 0.062g, short-period spectral response 0.122g, 1-second spectral response 0.064g. Among 330 Illinois cities in this dataset, Stickney ranks 216 for seismic hazard, the 35th percentile within the state. About 6,902 people live in Stickney, Illinois.

Retrofit economics for Stickney

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

Earthquake insurance for a Stickney 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 Stickney address.

More on how this number was built

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