Does Cambridge, OH need an earthquake retrofit?

Under the seismic model IBC and ASCE 7 use for new construction, Cambridge is 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 Cambridge sits at the 29th percentile for seismic hazard among 4,875 US cities.

Where Cambridge sits in Ohio

The raw figures: peak ground acceleration 0.048g, short-period spectral response 0.099g, 1-second spectral response 0.052g. Among 254 Ohio cities in this dataset, Cambridge ranks 249 for seismic hazard, the 2th percentile within the state. About 10,036 people live in Cambridge, Ohio.

What a retrofit costs in Cambridge

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 Cambridge 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 Cambridge address.

More on how this number was built

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