Morganton, NC: what USGS's seismic model says

Under the seismic model IBC and ASCE 7 use for new construction, Morganton is Category C. Moderate seismic hazard. Code adds irregular-building restrictions and requires bracing of some nonstructural components (e.g. tall shelving, water heaters) in addition to structural detailing. Rank it against the rest of the country and Morganton sits at the 72th percentile for seismic hazard among 4,875 US cities.

Morganton by the numbers

USGS's underlying values for Morganton: 0.126g peak ground acceleration, 0.232g at short period, 0.083g at 1 second. Within North Carolina alone, Morganton ranks 11 of 147 cities by seismic hazard - the 93th percentile in-state. Morganton has a population of about 17,825.

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 North Carolina 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 North Carolina.

What this means for insurance

A Morganton 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 Morganton's figures come from

Morganton's Category C 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 C does and doesn't tell you about Morganton.