State. Surface Geology; 3D Geology; Subsurface Geology. Washington (engl. Soil liquefaction is a potentially dangerous outcome of strong earthquakes. Greater East Side Area, King County Go Enter search terms. Enter your street address (all fields are required) to find your legislative or congressional district, or use the district map.

The Washington Department of Natural Resources, Division of Gelology and Earth Resourses have produced a number of liquefaction and earthquake maps including: DNR Interactive Map .

The map is from a 2007 report (click here to download) on seismic design categories in Washington.

Hydrogeologic Modeling; Energy, Mining and Minerals. District Type: Legislative Congressional. This map shows areas of seismic risk from high (red) to low (grayish-green). The shear strength is controlled by the degree of grain-to-grain contact (friction) in the sediment. This data has been published at a scale of … Maps of Washington State, By County, Wa shington Division of Geology and Earth Resources, Open File Report 2004-20, September 20 04. Street. A July 16 in-depth report heard on the Seattle-based NPR affiliate KPLU-FM and nationally examines the efforts of Washington and other Northwest states to map soil liquefaction susceptibility. DOGAMI Interactive Map .

Check flight prices and hotel availability for your visit. District Finder. Seismic Soils & Liquefaction Risk B B-C C C-D Rock Very Dense Soil & Soft Rock Stiff Soil Soft Soil Requires Site-Specific Investigation Increasing Amplification of Ground Shaking D D-E E F Soil classification data provided by the Washington State Department of Natural Resources - Soil Classification Division of Geology & Earth Resources.

It occurs when water-saturated sand, silt, or (sometimes) gravels are shaken so violently in an earthquake that the soil… Zip. Liquefaction Maps Maurice S. Power, Geomatrix Consultants Thomas L. Holzer, U.S. Geological Survey Funded by the U.S. Geological Survey as part of the ATC-35 Research Utilization Project Background This technical brief inventories and describes the available regional liquefac-tion hazard maps in the United States and gives information on how to obtain them. This report describes the results of a detailed investigation of improved procedures for evaluation of liquefaction hazards in Washington State, and describes the development and use of a computer program, WSliq, that allows rapid and convenient performance of improved analyses. Des Moines and Renton. The map also shows potentially active faults from a separate 2014 report (click here to download). City. Liquefaction is the sudden loss of shear strength of a saturated sand or silt due to earthquake shaking. Washington Geology App; Washington Geologic Survey Publications Catalog; GIS Data and Databases; Presentation Archive; Lidar; Story Maps; Geologic Maps.

Nisqually earthquake 02/ 28/2001: Olympia, WA . Most are too small to be felt or cause damage. Evaluation of Liquefaction Hazards in Washington State. Papers and maps of some larger WA population centers.