October 1, 2004 Explosion at Mount St. Helens
19:45
Mount St. Helens eruption highlights: September 2004 - May 2005
7:31
Mount St. Helens: May 18, 1980
4:37
Mount St. Helens 2004-2008 Eruption: A Volcano Reawakens
13:47
Mount St. Helens: Instrumentation and Dome Growth, April-May 2006
20:56
Mount St. Helens in eruption, May 18, 1980
45:20
May 18, 1980 Mount St. Helens Eruption: Stories from USGS Scientists
1:27
Time-lapse images of Mount St. Helens dome growth 2004-2008
6:47