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 ...

Mount St. Helens has recently been swarming with geological activity, which could mean the giant American volcano is gearing up for its next big eruption. Produced by Zach Wasser and Dave Mosher.

In May 1980, the world gasped at the eruption of Mount St. Helens, which was one of the largest volcano eruptions in America in the past half-century. The May 18, 1980 eruption of Mount St.

The zone was based on a presumption that any eruption would go straight up through the summit. Harry Truman, who owned the Mount St. Helens Lodge on Spirit Lake near the mountain, refused to move ...