Does Shakopee, MN need an earthquake retrofit?

Shakopee 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. Rank it against the rest of the country and Shakopee sits at the 6th percentile for seismic hazard among 4,875 US cities.

Where Shakopee sits in Minnesota

The raw figures: peak ground acceleration 0.023g, short-period spectral response 0.049g, 1-second spectral response 0.03g. Among 155 Minnesota cities in this dataset, Shakopee ranks 50 for seismic hazard, the 68th percentile within the state. About 48,401 people live in Shakopee, Minnesota.

Retrofit economics for Shakopee

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.

Insuring against this, not just retrofitting

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 Shakopee address.

More on how this number was built

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