Rochester, IN: what USGS's seismic model says

USGS's ASCE 7-16 seismic design model - the same standard building codes use - places Rochester 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 Rochester sits at the 33th percentile for seismic hazard among 4,875 US cities.

Rochester by the numbers

USGS's underlying values for Rochester: 0.055g peak ground acceleration, 0.114g at short period, 0.067g at 1 second. Within Indiana alone, Rochester ranks 116 of 126 cities by seismic hazard - the 8th percentile in-state. Rochester has a population of about 6,110.

Retrofit economics for Rochester

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 Indiana 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 Indiana.

What this means for insurance

A Rochester 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 Rochester's figures come from

Rochester'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 Rochester.