Does Dacula, GA need an earthquake retrofit?

Under the seismic model IBC and ASCE 7 use for new construction, Dacula 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 Dacula sits at the 69th percentile for seismic hazard among 4,875 US cities.

Where Dacula sits in Georgia

USGS's underlying values for Dacula: 0.096g peak ground acceleration, 0.192g at short period, 0.086g at 1 second. Within Georgia alone, Dacula ranks 76 of 148 cities by seismic hazard - the 49th percentile in-state. Dacula has a population of about 8,018.

Retrofit economics for Dacula

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 Georgia 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 Georgia.

Insuring against this, not just retrofitting

A Dacula 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 Dacula's figures come from

Dacula'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 Dacula.