Does Waukegan, IL need an earthquake retrofit?

USGS's ASCE 7-16 seismic design model - the same standard building codes use - places Waukegan in Seismic Design Category B: Low seismic hazard. Code requires basic seismic detailing (bracing, connections) but no special structural system restrictions. Rank it against the rest of the country and Waukegan sits at the 30th percentile for seismic hazard among 4,875 US cities.

Where Waukegan sits in Illinois

USGS's underlying values for Waukegan: 0.049g peak ground acceleration, 0.099g at short period, 0.056g at 1 second. Within Illinois alone, Waukegan ranks 318 of 330 cities by seismic hazard - the 4th percentile in-state. Waukegan has a population of about 88,570.

Retrofit economics for Waukegan

A full earthquake retrofit typically runs $5,000-$10,000 nationally (around $7,000 typical), driven mainly by house size and foundation type, not by Illinois specifically. California's Earthquake Brace + Bolt grant, which covers a large share of this cost, is a California-only program and does not apply in Illinois.

Earthquake insurance for a Waukegan home

A Waukegan homeowner cannot buy a standalone earthquake policy in most cases - it is added to an existing homeowners policy as an endorsement, so the place to start is a regular home-insurance quote.

Where Waukegan's figures come from

Waukegan's Category B and every number above trace to USGS's own ASCE 7-16 Design Maps service - see the methodology guide. See the category explainer for what Category B does and doesn't tell you about Waukegan.