Frankfort, KY: what USGS's seismic model says

USGS's ASCE 7-16 seismic design model - the same standard building codes use - places Frankfort in Seismic Design Category C: Moderate seismic hazard. Code adds irregular-building restrictions and requires bracing of some nonstructural components (e.g. tall shelving, water heaters) in addition to structural detailing. Nationally, Frankfort ranks above 68% of the 4,875 cities in this dataset for seismic hazard - the 68th percentile.

Where Frankfort sits in Kentucky

The raw figures: peak ground acceleration 0.079g, short-period spectral response 0.163g, 1-second spectral response 0.085g. Among 79 Kentucky cities in this dataset, Frankfort ranks 47 for seismic hazard, the 41th percentile within the state. About 28,610 people live in Frankfort, Kentucky.

Retrofit economics for Frankfort

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

Earthquake insurance for a Frankfort 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 Frankfort address.

More on how this number was built

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