The Washington Geologic Information Portal puts complex geologic and hazards information into the hands of everyone, including you. This application allows you to quickly compare and synthesize data of different types to help solve a variety of problems. Enter the Portal by clicking the icon below.
Citation information and direct downloads for GIS data layers can be found on our GIS Data and Databases page. Layer descriptions and citation information can also be found within the interactive map by clicking the context menu icon next to the name of the data layer of interest. If you are unable to locate the citation for a data layer, please contact the Portal Manager.
On a mobile device? Use our new mobile app!
Help Using the Interactive Portal
Visit our Portal Help for information about portal navigation and tools.
Tell us what you think of the new site:
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|Help us make the Portal even better|
The Portal can be complex, so we've made several single-topic maps to simplify things.
Other Earth Science Interactive Maps
|The National Geologic Map Database (NGMDB) is a congressionally mandated project led by the U.S. Geological Survey and Association of American State Geologists. The purpose is to build a national archive of maps and related data about geology, hazards, earth resources, geophysics, geochemistry, geochronology, paleontology, and marine geology. You can access it through a searchable catalog that contains information on over 88,000 geoscience maps and reports dating back to the 1800s, with links to hundreds of publishers.|
|The U.S. Geological Survey topoView portal allows you to interactively view the evolution of historical topographic maps stretching back in time to 1880, at a variety of scales ranging from 24k to 250k.|
|U.S. Geological Survey National Map Viewer||A U.S. Geological Survey site that allows you to interactively view "The National Map" data as a map, customize the view, and print a map|
|U.S Geological Survey Earth Explorer||Allows you to search, download, and order U.S. Geological Survey products from many datasets|
|USGS 3D Hydrogeologic Framework Model of the Columbia Plateau Regional Aquifer System||Web interface allows users to explore a 3-D geologic framework model developed for the Columbia Plateau regional aquifer system as part of a USGS assessment of groundwater availability|
|Washington Department of Ecology GIS Applications||Access to GIS applications that the Department of Ecology uses in accomplishing its mission of protecting the land, air, and waters of the state. Topics include shoreline aerial photos, regulated facilities, coastal atlas, well log viewer, environmental data, and water quality information|