Washington Terrace, UT: what USGS's seismic model says

Washington Terrace carries Seismic Design Category D under USGS's ASCE 7-16 model. High seismic hazard - this is the category most of coastal California, the Pacific Northwest, and other active fault regions fall into. Code mandates significant seismic detailing and restricts irregular structural configurations. This is the category the Brace + Bolt scope (cripple-wall bracing, foundation bolting) is built for. That puts Washington Terrace in the 93th percentile nationally for seismic hazard - higher than 93% of the 4,875 US cities USGS was checked against here.

How Washington Terrace compares

USGS's underlying values for Washington Terrace: 0.605g peak ground acceleration, 1.335g at short period, 0.481g at 1 second. Within Utah alone, Washington Terrace ranks 42 of 95 cities by seismic hazard - the 56th percentile in-state. Washington Terrace has a population of about 9,091.

Retrofit economics for Washington Terrace

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 Utah 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 Utah.

What this means for insurance

A Washington Terrace 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 Washington Terrace's figures come from

Washington Terrace's Category D 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 D does and doesn't tell you about Washington Terrace.