Does Clyde, OH need an earthquake retrofit?

Under the seismic model IBC and ASCE 7 use for new construction, Clyde is Category B. Low seismic hazard. Code requires basic seismic detailing (bracing, connections) but no special structural system restrictions. Nationally, Clyde ranks above 44% of the 4,875 cities in this dataset for seismic hazard - the 44th percentile.

Clyde by the numbers

USGS's underlying values for Clyde: 0.069g peak ground acceleration, 0.133g at short period, 0.053g at 1 second. Within Ohio alone, Clyde ranks 146 of 254 cities by seismic hazard - the 43th percentile in-state. Clyde has a population of about 6,360.

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 Clyde home

A Clyde 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 Clyde's figures come from

Clyde'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 Clyde.