BBC6 年
Case study: Mt. St Helens 1980
A very common case study for volcanoes is the eruption of Mount St Helens in the USA in 1980. Other case studies include the eruption of Mount Etna in Sicily in 1974 and Heimaey eruption in ...
Moviefone1 年
Mount St. Helens: Explosive Evidence For Catastrophe (2004)
On May 18, 1980, the volcanic eruption of Mount St. Helens opened a new window of understanding about the geologic history of our planet. Join geologist Steve Austin as he reveals the fascinating ...
PBS4 年
Mt. St. Helens: Back From the Dead
One of the most violent natural disasters of our time, the colossal eruption of Mt. St. Helens in 1980 blasted away an entire mountainside. Over 200 square miles of pristine forest were buried ...
IFLScience on MSN2 个月
Scientists Dropped Gophers Onto Mount St Helens For 1 Day. 40 Years Later, The Effect Is ...
When Mount St Helens erupted in 1980, the resulting lava, ash, and debris turned the landscape barren for miles around. It ...
Is Mount St. Helens about to blow? Washington volcano recharging 44 years after eruption
“High rates of seismicity, interpreted as recharge, have been observed in the past at Mount St. Helens and at other volcanoes ...