Does Liberal, KS need an earthquake retrofit?

USGS's ASCE 7-16 seismic design model - the same standard building codes use - places Liberal in Seismic Design 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 Liberal sits at the 14th percentile for seismic hazard among 4,875 US cities.

Liberal by the numbers

The raw figures: peak ground acceleration 0.045g, short-period spectral response 0.095g, 1-second spectral response 0.041g. Among 63 Kansas cities in this dataset, Liberal ranks 60 for seismic hazard, the 5th percentile within the state. About 19,184 people live in Liberal, Kansas.

Bracing and bolting: the actual cost

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 Liberal 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 Liberal address.

More on how this number was built

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