Does Hilliard, OH need an earthquake retrofit?

Hilliard carries Seismic Design Category B under USGS's ASCE 7-16 model. 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 Hilliard sits at the 38th percentile for seismic hazard among 4,875 US cities.

How Hilliard compares

USGS's underlying values for Hilliard: 0.061g peak ground acceleration, 0.122g at short period, 0.06g at 1 second. Within Ohio alone, Hilliard ranks 190 of 254 cities by seismic hazard - the 25th percentile in-state. Hilliard has a population of about 38,832.

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.

Earthquake insurance for a Hilliard home

A Hilliard 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 Hilliard's figures come from

Hilliard'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 Hilliard.