Main content
The sleeping giant
Professor Iain Stewart tells the story of Mount St Helens' 1980 eruption. An earthquake-triggered landslide unleashed a sideways blast of hot gas and ash from this famous stratovolcano volcano (also known as a composite volcano) in the state of Washington, USA.
Duration:
This clip is from
Featured in...
![]()
Earth
Find out how the Earth works.
![]()
Mount St Helens
A collection of video clips about the volcano Mount St Helens.
More clips from Volcanoes
-
![]()
Mount Kilauea
Duration: 02:33
-
![]()
Silent killer
Duration: 04:00
-
![]()
Iceland's volcanoes
Duration: 02:32
-
![]()
The dawn of volcanology
Duration: 02:28
More clips from 10 Things You Didn't Know About...
-
![]()
The tsunami from outer space—Tsunamis
Duration: 03:58
-
![]()
Tsunami prone Pacific—Tsunamis
Duration: 04:06
-
![]()
Parting the Red Sea—Tsunamis
Duration: 03:34
-
![]()
The Boxing Day earthquake—Tsunamis
Duration: 03:42
