Marysville, OH: what USGS's seismic model says
USGS's ASCE 7-16 seismic design model - the same standard building codes use - places Marysville 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 Marysville sits at the 45th percentile for seismic hazard among 4,875 US cities.
How Marysville compares
The raw figures: peak ground acceleration 0.07g, short-period spectral response 0.134g, 1-second spectral response 0.061g. Among 254 Ohio cities in this dataset, Marysville ranks 119 for seismic hazard, the 53th percentile within the state. About 29,276 people live in Marysville, Ohio.
Retrofit economics for Marysville
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.
What this means for insurance
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 Marysville address.
More on how this number was built
The methodology guide covers exactly how USGS's public design-maps API produced Marysville'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.