June Geology Image of the Month: Columnar Dacite in Mount Rainier National Park

June’s geology image of the month was taken by State Geologist Dave Norman. The dacite columns, located on the northeastern flank of Mount Rainier along Sunrise Road, are part of the Burroughs Mountain flow. They were formed as lava that erupted from Rainier traveled along the periphery of the glacier that once filled White River […]

Our Lahar Report is Tops!

The stats have been tallied and we (DNR Geology) were responsible for the most popular DNR news release of 2012! According to the DNR communications department, our June 6, 2012 news brief titled “Mount Rainier lahar losses could reach $6 billion or more in Puyallup Valley” received the most hits (at almost 3500) of any […]

December Image of the Month: Mount Rainier as seen from the Pacific Crest Trail

This month’s image was contributed by one of Washington State Geological Survey’s most preeminent geologists, J. Eric Schuster. He explains, “I took the picture from the Pacific Crest Trail above Crystal Mountain ski area on September 23, 2011.  The view is to the southwest toward Mount Rainier (14,410 ft, 4392 m).  The Emmons Glacier dominates […]