Brockport's Seismic Design Category, explained

USGS's ASCE 7-16 seismic design model - the same standard building codes use - places Brockport in Seismic Design Category B: Low seismic hazard. Code requires basic seismic detailing (bracing, connections) but no special structural system restrictions. That puts Brockport in the 54th percentile nationally for seismic hazard - higher than 54% of the 4,875 US cities USGS was checked against here.

Brockport by the numbers

The raw figures: peak ground acceleration 0.093g, short-period spectral response 0.169g, 1-second spectral response 0.048g. Among 170 New York cities in this dataset, Brockport ranks 122 for seismic hazard, the 28th percentile within the state. About 7,489 people live in Brockport, New York.

Retrofit economics for Brockport

Outside California, no state-level retrofit grant equivalent to Brace + Bolt could be found for New York. 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 Brockport address.

More on how this number was built

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