Interstate 90 geology from North Bend, Washington to the Snoqulamie Pass area. Includes discussions of Cascade Range volcanic history, the Snoqualmie Batholith, Guye Peak, the Yakima River Glacier, and GPS-measured crustal rotation (PANGA).

Tom Foster (http://HUGEfloods.com) and Nick Zentner (Central Washington University) have been hiking together in Washington for years. This ’Snoqualmie Pass Geology’ episode is part of an ‘I-90 Rocks’ video series, a new project in addition to their popular ‘2 Minute Geology’ video series.