Does Crowley, LA need an earthquake retrofit?

Under the seismic model IBC and ASCE 7 use for new construction, Crowley is 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 Crowley sits at the 21th percentile for seismic hazard among 4,875 US cities.

Where Crowley sits in Louisiana

USGS's underlying values for Crowley: 0.04g peak ground acceleration, 0.082g at short period, 0.052g at 1 second. Within Louisiana alone, Crowley ranks 55 of 59 cities by seismic hazard - the 7th percentile in-state. Crowley has a population of about 11,216.

What a retrofit costs in Crowley

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 Louisiana 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 Louisiana.

Earthquake insurance for a Crowley home

A Crowley 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 Crowley's figures come from

Crowley'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 Crowley.