Hazards


Contact Information

Zach Lifton, 208-364-4099, zlifton@uidaho.edu

Liquefaction

Liquefaction is a secondary earthquake hazard in which ground shaking of saturated soils lose strength and liquefy. Sand boils, fissures, and lateral spreading are all liquefaction features. Liquefaction can cause significant settling and damage to infrastructure. Liquefaction has been documented during the 1983 M6.9 Borah Peak earthquake, the 1959 M7.3 Hebgen Lake earthquake, and the 2020 M6.5 Stanley earthquake. IGS documents these events and produces maps of liquefaction susceptibility to highlight where liquefaction may occur during future earthquakes.

 

Liquefaction Pubs
 Stanley Lake liquefaction