Bellefonte, PA: what USGS's seismic model says

Under the seismic model IBC and ASCE 7 use for new construction, Bellefonte is Category A. Lowest seismic design category. Building code requires no seismic-specific detailing here beyond ordinary construction practice. That puts Bellefonte in the 14th percentile nationally for seismic hazard - higher than 14% of the 4,875 US cities USGS was checked against here.

How Bellefonte compares

The raw figures: peak ground acceleration 0.045g, short-period spectral response 0.094g, 1-second spectral response 0.039g. Among 193 Pennsylvania cities in this dataset, Bellefonte ranks 185 for seismic hazard, the 4th percentile within the state. About 5,986 people live in Bellefonte, Pennsylvania.

Retrofit economics for Bellefonte

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

More on how this number was built

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