Does Smyrna, GA need an earthquake retrofit?

Smyrna carries Seismic Design Category C under USGS's ASCE 7-16 model. 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 Smyrna sits at the 70th percentile for seismic hazard among 4,875 US cities.

How Smyrna compares

USGS's underlying values for Smyrna: 0.103g peak ground acceleration, 0.199g at short period, 0.088g at 1 second. Within Georgia alone, Smyrna ranks 54 of 148 cities by seismic hazard - the 64th percentile in-state. Smyrna has a population of about 57,177.

What a retrofit costs in Smyrna

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 Smyrna 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 Smyrna's figures come from

Smyrna'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 Smyrna.