The Washington State Geologic Information Portal provides geologic maps, data, and related information through the internet using interactive geographic information system technology. Through this online service offered by the Washington Division of Geology and Earth Resources, you can create a custom map using the Map Contents window and the zoom and pan tools, and find out more information about map features using the Identify tool.
ACCESS THE PORTAL (Click here to access the map)
Currently Available through the Portal
This initial release of the service offers:
- Geologic map information at 1:100,000 scale for the entire state
- Geologic map information at 1:250,000 scale for the entire state
- Geologic map information at 1:500,000 scale for the entire state
- Liquifaction susceptibility mapping for the entire state
- Site class mapping for the entire state
- Seismic design category mapping
- Several types of base information (such as county boundaries, roads, rivers, township/range, etc.)
METADATA (description of geologic data available through the portal)
Because of the volume of data available through this portal, data loading and identification operations are not instantaneous--we thank you for your patience.
Coming Soon
Efforts are underway to prepare more data layers to:
- Tsunami inundation maps for Washington's coast
- Locations of Oil and Gas exploration drill holes
- Locations of Surface Mine Reclamation Permits
- Geologic map index
- Geothermal Resources of Washington
Many more types of geologic information will be added to the information portal in the future, so please visit regularly to see what's new. You may also subscribe to our mailing list to receive announcements of new additions to the portal, as well as notification of our publications releases.