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The cause of St Helens Volcano Eruption in the year 1980 was a 5.1 magnitude earthquake. The volcano didnt erupt for 120 years before this eruption .. so all the magma in the magma chamber had alt of pressure and was pushed out. the volcano was in a position where plates move.
What else can I help you with?
What was mt st Helens most famous eruption?
The 1980 eruption of Mount St. Helens.
Where was the Mount St. Helens eruption?
The Mount St. Helens eruption occurred in Washington state, in the western United States.
How much damage did mount st helens cause from its last eruption?
around 36 miles from it
What the major cause of human death resulting from Mount St Helens eruption?
mostly the ash
How many deaths occured in the mount St Helens eruptions?
The 1980 eruption of Mount St. Helens killed 57 people.
What was the latest eruption of Mount St. Helens?
The latest eruption was in 2008.
What is the vei rating of mt st Helens?
The 1980 eruption of Mount St Helens was a VEI 5.
What is the name of the peak that had a powerful eruption in 1980?
Mount St. Helens in Washington state had a powerful eruption on May 18, 1980.
What was the physical destruction of Mount St Helens eruption?
Just that. A volcanic eruption
Where do volcanos occur in the US?
The West. Mt St Helens and Yellowstone park.
When was the first eruption of mt st helens?
Mt St Helens first erupted on May 18, 1980
What is the elevation of St Helens Columbia?
The elevation of Mount St. Helens is 8,365 feet. Prior to its famous 1980 eruption it was 9,677 feet.
