Does Shawano, WI need an earthquake retrofit?

Under the seismic model IBC and ASCE 7 use for new construction, Shawano is Category A. Lowest seismic design category. Building code requires no seismic-specific detailing here beyond ordinary construction practice. Rank it against the rest of the country and Shawano sits at the 5th percentile for seismic hazard among 4,875 US cities.

How Shawano compares

The raw figures: peak ground acceleration 0.023g, short-period spectral response 0.048g, 1-second spectral response 0.034g. Among 157 Wisconsin cities in this dataset, Shawano ranks 137 for seismic hazard, the 13th percentile within the state. About 9,635 people live in Shawano, Wisconsin.

Retrofit economics for Shawano

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

Earthquake insurance for a Shawano 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 Shawano address.

More on how this number was built

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