Mount St. Helens eruption highlights: September 2004 - May 2005
23:47
Mount St. Helens: Instrumentation and Dome Growth, May-Sept 2006
57:49
Mount St. Helens: Steam, Ash Emissions and Dome Growth, October 2004
13:47
Mount St. Helens: Instrumentation and Dome Growth, April-May 2006
7:31
Mount St. Helens: May 18, 1980
6:47
Mount St. Helens: A Catalyst for Change
45:20
May 18, 1980 Mount St. Helens Eruption: Stories from USGS Scientists
4:37
Mount St. Helens 2004-2008 Eruption: A Volcano Reawakens
20:56