Washington Geological Survey
   

WHAT'S NEW

 
Geologic map of the Bald Hill 7.5-minute quadrangle

On December 27 we released a new geologic map of the Bald Hill quadrangle at a scale of 1:24,000. Click here to download the map and pamphlet.

 
Geologic map of the Harts Lake 7.5-minute quadrangle

On December 27 we released a new geologic map of the Harts Lake quadrangle at a scale of 1:24,000. Click here to download the map and pamphlet.

 
Geologic map of the Kittitas and E. Kittitas quadrangles

On December 27 we released a new geologic map of the Kittitas and East Kittitas quadrangles at a scale of 1:24,000. Click here to download the map and pamphlet.

 
Adams Mountain and Hunters quadrangles geologic map

On December 27 we released a new geologic map of the Adams Mountain and Hunters quadrangles at a scale of 1:24,000. Click here to download the map and pamphlet.

 
New tsunami modeling for southwest Washington rivers

On December 14 we released a series of new maps showing modeled tsunami inundation and current speed for the Chehalis, Hoquiam, Willapa, and Wishkah Rivers. Click here to check out the publication!

 
Update to the Columbia Gorge landslide inventory

On November 16 we released a major update to the landslide inventory for the Columbia Gorge, including new mapping and additional hazards such as rockfall and alluvial fans. Download the publication here.

 
New interactive map for finding geologic map publications

On November 7 we released a new interactive map that allows you to search for geologic map publications at a variety of scales by quadrangle name. Click here to check out the map!

 
New WALERT report for the Sourdough and Blue Lake Fires

On October 2 we released a new Wildfire-Associated Landslide Emergency Response Team report for the Sourdough and Blue Lake Fires. Click here to download the report.

Visit our blog to see more announcements and updates.