Canton's Seismic Design Category, explained

USGS's ASCE 7-16 seismic design model - the same standard building codes use - places Canton 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. That puts Canton in the 67th percentile nationally for seismic hazard - higher than 67% of the 4,875 US cities USGS was checked against here.

Where Canton sits in Mississippi

The raw figures: peak ground acceleration 0.076g, short-period spectral response 0.157g, 1-second spectral response 0.09g. Among 61 Mississippi cities in this dataset, Canton ranks 30 for seismic hazard, the 52th percentile within the state. About 10,777 people live in Canton, Mississippi.

Retrofit economics for Canton

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

Earthquake insurance for a Canton 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 Canton address.

More on how this number was built

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