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The plates of earth rest on liquid lava (the mantel). As they move pressure builds up under the volcano and when its too much it explodes.
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Related Questions
When was the first eruption of mt st helens?
Mt St Helens first erupted on May 18, 1980
What happened in 1980?
Mt st helens erupted
What volcano erupted in 1970?
The volcano that erupted in 1970 was Mount St. Helens in Washington state, USA. The eruption occurred on May 18, 1980, resulting in the catastrophic eruption that caused significant damage and loss of life.
What was mt st Helens most famous eruption?
The 1980 eruption of Mount St. Helens.
When did mt st Helen eruption?
mt. st. Helens erupted in may 18, 1980
What is the vei rating of mt st Helens?
The 1980 eruption of Mount St Helens was a VEI 5.
Which mountain erupted in 1980 in Washington US?
Mount St. Helens is a active volcano, in the Washington State.
What were the impacts of the Mt St Helens eruption 1980?
people died
Which mountain erupted in 1980 in Washington United states?
Mt Helens
What is the most destructive eruption from Mt. Saint Helens?
On May 18th 1980.
When was the most famous eruption on Mt St Helens?
18th of May 1980
How many days did it take for the ash to go around when mt st helens erupted?
how many days did it take for the ash get in the air from the eruption from mt st Helens in 1980
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