Vinita's Seismic Design Category, explained

Vinita 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, Vinita ranks above 33% of the 4,875 cities in this dataset for seismic hazard - the 33th percentile.

How Vinita compares

The raw figures: peak ground acceleration 0.055g, short-period spectral response 0.118g, 1-second spectral response 0.074g. Among 75 Oklahoma cities in this dataset, Vinita ranks 73 for seismic hazard, the 3th percentile within the state. About 5,395 people live in Vinita, Oklahoma.

What a retrofit costs in Vinita

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

Insuring against this, not just retrofitting

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 Vinita address.

More on how this number was built

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