May 18, 1980
The Mount St. Helens eruption occurred in Washington state, in the western United States.
The 1980 eruption of Mount St. Helens.
The 1980 eruption of Mount St. Helens killed 57 people.
No. Compared with other volcanoes of the same type, Mount St. Helens is not extraordinarily large and is smaller than it was prior to its 1980 eruption. The 1980 eruption was large, but nowhere near the largest.
Mount St. Helens in Washington state had a powerful eruption on May 18, 1980.
The latest eruption was in 2008.
Just that. A volcanic eruption
The 1980 eruption of Mount St Helens was a VEI 5.
The eruption of Mount St. Helens in 1980 lasted for 9 hours
May 18th, 1980
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Mount St. Helens produced a large eruption in 1980. However, it was not the largest recorded eruption in North America. That title goes to the 1912 eruption of Novarupta in Alaska.