North Manchester's Seismic Design Category, explained

USGS's ASCE 7-16 seismic design model - the same standard building codes use - places North Manchester in Seismic Design 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 North Manchester sits at the 35th percentile for seismic hazard among 4,875 US cities.

Where North Manchester sits in Indiana

The raw figures: peak ground acceleration 0.058g, short-period spectral response 0.118g, 1-second spectral response 0.067g. Among 126 Indiana cities in this dataset, North Manchester ranks 105 for seismic hazard, the 17th percentile within the state. About 5,237 people live in North Manchester, Indiana.

Bracing and bolting: the actual cost

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

Earthquake insurance for a North Manchester 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 North Manchester address.

More on how this number was built

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