Does Lindstrom, MN need an earthquake retrofit?

Lindstrom 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, Lindstrom ranks above 2% of the 4,875 cities in this dataset for seismic hazard - the 2th percentile.

Lindstrom by the numbers

The raw figures: peak ground acceleration 0.021g, short-period spectral response 0.045g, 1-second spectral response 0.024g. Among 155 Minnesota cities in this dataset, Lindstrom ranks 149 for seismic hazard, the 4th percentile within the state. About 5,026 people live in Lindstrom, 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.

Earthquake insurance for a Lindstrom 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 Lindstrom address.

More on how this number was built

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