Liquefaction susceptibility and site class maps of Washington State, by county /
Catalog Record - Electronic Resource Available
Presents two types of earthquake hazard maps for every county in the state: liquefaction susceptibility maps, which outline areas where water-saturated sandy soil loses strength during earthquake shaking, and NEHRP (National Earthquake Hazards Reduction Program) site class maps, which outline areas where soils amplify ground shaking. They include the results of more than 90 shear-wave velocity surveys and evaluation of geotechnical boring and water ...
Washington (State). Division of Geology and Earth Resources