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Mount Saint Helens is located south of Seattle, Washington. In recent history, it has had a major eruption in 1980, and has been active in varying degrees of intensity since then. Which of these active periods can be classified as eruptions is up for debate.
Wiki User
∙ 9y ago
Wiki User
∙ 12y agoi dont really count the eruptions but mntst helens is the most active volcano in the paccific north west. its last major eruption was on may 18th 1980 this one answer said that it was on march 20th 1980. but it was on may 18th duh
Wiki User
∙ 12y agoMount St Helen's has been active for over 40,000 years and is still active.
To count the amount of eruptions over such a large period is impossible to answer.
The last major eruption was on March 20, 1980.
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the last major eruption was not march 20, it was May 18, 1980
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How many times has Mt st helens erupted?
45 times or more due to0 little eruptions
Why quiet eruptions on the Hawaiian islands?
Hawaii's volcanos are quite compared to Mt St Helens because Mt St Helens blew up from a earthquake of two plates shifting making the volcano vary voilent and loud which blew one half of the volcano
Is mt st helens non-explosive or explosive?
Mount St. Helens is generally regarded as an explosive volcano, but like most stratovolcanoes, it can produce both explosive and non-explosive eruptions.
What type of eruptions does mount st Helens do?
Like most stratovolcanoes, Mount St Helens alternates between explosive and effusive eruptions.
Did mt st helens have a pyroclastic flow?
Yes. Mount St. Helens produced many pyroclastic flows.
What are the benefits of eruptions of mt St Helens?
Mt. St. Helens benenfited humans by the rock from lava are used to build and repair roads in this day!
What was the majors eruptions of mt st Helens?
The major eruptions of mt st Helen where that it was very active and the ground in the volcano always had a earth quake and so the made the eruptions in mt st Helen still active but was deadly in the 1900s.
How many times has Mt st helens erupted?
45 times or more due to0 little eruptions
Where was the explosion of mt st Helens?
At Mt. St. Helens.
How many miles is Tacoma from Mt Rainier and Mt St Helens?
About 92 miles to Mt. St. Helens from Tacoma
What are some of the benefits of mt st Helen's eruptions?
Mt. St. Helens benenfited humans by the rock from lava are used to build and repair roads in this day!
Why is Mt St Helens eruption so well known?
Because I think it was one of the biggest eruptions.
Why quiet eruptions on the Hawaiian islands?
Hawaii's volcanos are quite compared to Mt St Helens because Mt St Helens blew up from a earthquake of two plates shifting making the volcano vary voilent and loud which blew one half of the volcano
What Volcano in the northwestern US?
Mt. St. Helens Mt. St. Helens
Is mt st helens non-explosive or explosive?
Mount St. Helens is generally regarded as an explosive volcano, but like most stratovolcanoes, it can produce both explosive and non-explosive eruptions.
What caused the eruption of Mt St Helen?
volcano eruptions are triggered by seismic activity, meaning earthquakes and such. Mt St Helens is along the ring of fire, which is full of seismic activity.
How many eruptions have been recored of mount st helens?
564,894,885,465
