Does Wellston, OH need an earthquake retrofit?

USGS's ASCE 7-16 seismic design model - the same standard building codes use - places Wellston in Seismic Design 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 Wellston sits at the 40th percentile for seismic hazard among 4,875 US cities.

Wellston by the numbers

The raw figures: peak ground acceleration 0.064g, short-period spectral response 0.129g, 1-second spectral response 0.063g. Among 254 Ohio cities in this dataset, Wellston ranks 182 for seismic hazard, the 28th percentile within the state. About 5,493 people live in Wellston, Ohio.

Retrofit economics for Wellston

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

Earthquake insurance for a Wellston 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 Wellston address.

More on how this number was built

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