Warren, OH: what USGS's seismic model says

Under the seismic model IBC and ASCE 7 use for new construction, Warren is 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 Warren sits at the 43th percentile for seismic hazard among 4,875 US cities.

How Warren compares

USGS's underlying values for Warren: 0.067g peak ground acceleration, 0.127g at short period, 0.047g at 1 second. Within Ohio alone, Warren ranks 162 of 254 cities by seismic hazard - the 36th percentile in-state. Warren has a population of about 38,683.

Bracing and bolting: the actual cost

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 Ohio 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 Ohio.

What this means for insurance

A Warren 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 Warren's figures come from

Warren'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 Warren.