Does Pingree Grove, IL need an earthquake retrofit?

USGS's ASCE 7-16 seismic design model - the same standard building codes use - places Pingree Grove in Seismic Design Category B: Low seismic hazard. Code requires basic seismic detailing (bracing, connections) but no special structural system restrictions. Nationally, Pingree Grove ranks above 40% of the 4,875 cities in this dataset for seismic hazard - the 40th percentile.

How Pingree Grove compares

The raw figures: peak ground acceleration 0.064g, short-period spectral response 0.124g, 1-second spectral response 0.062g. Among 330 Illinois cities in this dataset, Pingree Grove ranks 163 for seismic hazard, the 51th percentile within the state. About 11,512 people live in Pingree Grove, Illinois.

Retrofit economics for Pingree Grove

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

More on how this number was built

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