Does Campbell, OH need an earthquake retrofit?

Campbell carries Seismic Design Category B under USGS's ASCE 7-16 model. Low seismic hazard. Code requires basic seismic detailing (bracing, connections) but no special structural system restrictions. Nationally, Campbell ranks above 34% of the 4,875 cities in this dataset for seismic hazard - the 34th percentile.

Where Campbell sits in Ohio

The raw figures: peak ground acceleration 0.056g, short-period spectral response 0.11g, 1-second spectral response 0.046g. Among 254 Ohio cities in this dataset, Campbell ranks 231 for seismic hazard, the 9th percentile within the state. About 7,751 people live in Campbell, Ohio.

What a retrofit costs in Campbell

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 Campbell 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 Campbell address.

More on how this number was built

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