Laurens, SC: what USGS's seismic model says

USGS's ASCE 7-16 seismic design model - the same standard building codes use - places Laurens in Seismic Design 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. Nationally, Laurens ranks above 75% of the 4,875 cities in this dataset for seismic hazard - the 75th percentile.

Where Laurens sits in South Carolina

USGS's underlying values for Laurens: 0.163g peak ground acceleration, 0.289g at short period, 0.095g at 1 second. Within South Carolina alone, Laurens ranks 45 of 66 cities by seismic hazard - the 32th percentile in-state. Laurens has a population of about 9,352.

Retrofit economics for Laurens

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 South 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 South Carolina.

Earthquake insurance for a Laurens home

A Laurens 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 Laurens's figures come from

Laurens'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 Laurens.