Does Fort Morgan, CO need an earthquake retrofit?

Under the seismic model IBC and ASCE 7 use for new construction, Fort Morgan is Category B. Low seismic hazard. Code requires basic seismic detailing (bracing, connections) but no special structural system restrictions. That puts Fort Morgan in the 31th percentile nationally for seismic hazard - higher than 31% of the 4,875 US cities USGS was checked against here.

Where Fort Morgan sits in Colorado

USGS's underlying values for Fort Morgan: 0.052g peak ground acceleration, 0.109g at short period, 0.042g at 1 second. Within Colorado alone, Fort Morgan ranks 76 of 79 cities by seismic hazard - the 4th percentile in-state. Fort Morgan has a population of about 11,835.

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 Colorado 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 Colorado.

What this means for insurance

A Fort Morgan 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 Fort Morgan's figures come from

Fort Morgan'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 Fort Morgan.