Does Klamath Falls, OR need an earthquake retrofit?

Klamath Falls 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. Nationally, Klamath Falls ranks above 89% of the 4,875 cities in this dataset for seismic hazard - the 89th percentile.

How Klamath Falls compares

USGS's underlying values for Klamath Falls: 0.467g peak ground acceleration, 1.045g at short period, 0.394g at 1 second. Within Oregon alone, Klamath Falls ranks 12 of 80 cities by seismic hazard - the 86th percentile in-state. Klamath Falls has a population of about 22,174.

What a retrofit costs in Klamath Falls

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 Oregon 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 Oregon.

Earthquake insurance for a Klamath Falls home

A Klamath Falls 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 Klamath Falls's figures come from

Klamath Falls'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 Klamath Falls.