Does Midland, NC need an earthquake retrofit?

USGS's ASCE 7-16 seismic design model - the same standard building codes use - places Midland in Seismic Design 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 Midland sits at the 55th percentile for seismic hazard among 4,875 US cities.

How Midland compares

USGS's underlying values for Midland: 0.096g peak ground acceleration, 0.191g at short period, 0.081g at 1 second. Within North Carolina alone, Midland ranks 49 of 147 cities by seismic hazard - the 67th percentile in-state. Midland has a population of about 5,027.

Retrofit economics for Midland

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.

Insuring against this, not just retrofitting

A Midland 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 Midland's figures come from

Midland'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 Midland.