As George Washington was winning the revolutionary war, a deluge of volcanic debris was killing trees on the Sandy River. Mount Hood erupted for nearly a decade, just a few years before Lewis & Clark came through. The mountain many Portlanders regard as part of the city skyline is actually an active volcano with a more recent history of activity than many people realize.

Producer - Vince Patton
Videographer & Editor - Michael Bendixen
Videographer - Todd Sonflieth
Animation - Danika Sandoz
Video Courtesy - Rick Hoblitt, USGS
Photos & Animation Courtesy - USGS, Oregon Dept. of Geology & Mineral Industries