Recent Major Volcanic Eruptions in the Pacific Northwest
Volcano Name
Location
Last Major Eruption
Type of Eruption
Compiled in 2008 by Ms Jen
Mt. Lassen
California
1914-17
Explosive Eruption
Mt. Hood
Oregon
1790s
Pyroclastic flows and Mudflows
Mt. St. Helens
Washington
1980
Explosive Eruption