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Liquefaction Susceptibility and Site Class Maps of Washington State, by County

Summary

In response to the Nisqually earthquake of 2001, DGER was awarded a grant by the Federal Emergency Management Agency and Washington Emergency Management Division to develop 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. The maps will be used by state and local governments to update existing hazard mitigation plans and to delineate geologically hazardous areas under the Growth Management Act. In response to the Nisqually earthquake of 2001, DGER was awarded [...]

Contacts

Originator :
ArcGIS.com

Rights

Stephen P. Palmer, Sammantha L. Magsino, Eric L. Bilderback, James L. Poelstra, Derek S. Folger, and Rebecca A. Niggemann

Map

Spatial Services

ArcGIS Mapping Service

Communities

  • Great Northern Landscape Conservation Cooperative
  • LC MAP - Landscape Conservation Management and Analysis Portal

Tags

Provenance

Additional Information

ArcGIS REST Service Extension

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maxY49.002532459424955
maxX-116.91767708597655
minX-124.76259214215885
minY45.54851610063168
urlhttps://nwdemo3.esri.com/ArcGIS/rest/services/WA/WA_Liquefaction/MapServer

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