Looking back at the Mount St. Helens eruption
15:34
A erupção vulcânica de Krakatoa de 1883 - o som mais alto já ouvido?
10:57
Flying Over Mount St. Helens: 1980 Volcanic Eruption Explained
45:42
Minute by Minute: The Eruption of Mount St. Helens
13:31
A Dangerous Glacier Grows Inside Mount St. Helens' Crater | Oregon Field Guide
58:21
St. Helens: Out of the Ash
16:37
Mount St. Helens Live Broadcast on morning of eruption - 05-18-1980 | KATU In The Archives
31:51
Unearthing the lost stories of Mount St. Helens | Oregon Field Guide (full episode)
7:09