Washington Geological Survey
   

WHAT'S NEW

 
Olympic Peninsula Tsunami Hazard Maps

On January 10 we released new tsunami modeling results for the Olympic Peninsula from an extended L1 Mw 9.0 Cascadia subduction zone megathrust earthquake scenario.

 
1:24,000-Scale Geologic Maps

On December 15 we released geologic maps for Tenalquot Prairie and the northern two-thirds of the Vail quadrangles and Colockum Pass SW and the southern half of Naneum Canyon quadrangles.

 
Lidar Image Map

On December 3 we released a new interactive map that features high resolution lidar images for 60 areas across the state. Click here to peruse the map and check out our lidar page to learn more.

 
WALERT Report: Twentyfive Mile Fire

On November 9 we released a report that evaluates the risk to communities and infrastructure from post-wildfire landslides and debris flows near Chelan, Chelan County. Click here for the report.

 
WALERT Report: Muckamuck Fire

On November 4 we released a report that evaluates the risk to communities and infrastructure from post-wildfire landslides and debris flows near Conconully Lake. Click here for the report.

 
WALERT Report: Schneider Springs Fire

Our November 2 report evaluates the risk to communities and infrastructure from post-wildfire landslides and debris flows near Naches, Yakima County. Click here for the report.

Visit our blog to see more announcements and updates.