Marshall, MN: what USGS's seismic model says

Marshall carries Seismic Design Category A under USGS's ASCE 7-16 model. Lowest seismic design category. Building code requires no seismic-specific detailing here beyond ordinary construction practice. Nationally, Marshall ranks above 12% of the 4,875 cities in this dataset for seismic hazard - the 12th percentile.

Where Marshall sits in Minnesota

The raw figures: peak ground acceleration 0.033g, short-period spectral response 0.069g, 1-second spectral response 0.027g. Among 155 Minnesota cities in this dataset, Marshall ranks 4 for seismic hazard, the 98th percentile within the state. About 13,996 people live in Marshall, Minnesota.

Bracing and bolting: the actual cost

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

More on how this number was built

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