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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.
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What type of eruption was the 1980 eruption of mt st Helens?
The Mount Helen's 1980 eruption was a major volcanic eruption.
How tall is Mt St Helen's before 1980 eruption?
9,677
What type of volcanoe is Mt St Helen?
Mt. St Helens is currently an active volcano, in portland.
Does gas in lava makes it more or less explosive?
The expansion of gases in lava caused by decreasing pressure as it rises to the surface can make for very explosive eruptions, such as the last eruption of Mt. St. Helens.
How did Mt St Hellens last eruption affect the weather?
because the sun heated up the volcano and started to get angry
What eruption does Mt St Helen's have?
The eruption that Mt St Helen has is an exploding volcano that shoots lava and rocks into the air.
What are the release dates for Extreme Peril - 2010 Mt- St- Helen's Eruption?
Extreme Peril - 2010 Mt- St- Helen's Eruption was released on: USA: 11 March 2010
What type of eruption was the 1980 eruption of mt st Helens?
The Mount Helen's 1980 eruption was a major volcanic eruption.
How tall is Mt St Helen's before 1980 eruption?
9,677
What is a good last name for a character that survives the Mt. St Helens eruption?
Helen
When did mt st Helen eruption?
mt. st. Helens erupted in may 18, 1980
What happen to the environment after the Mt St Helen's eruption?
i dont know babes
How many people got killed in the mount st Helen eruption of 2008?
The eruption on May 19th 2008 has been classified as uncertain and no fatalities have been reported.
Is the story the eruption of mt st Helen a piece of historical fiction?
No it's a historical fact
How did the damage caused by the eruption of mt Pinatubo differ from the damage caused by the eruptions of mt st Helen?
Much of the damage caused by Mount St Helens was blast damage from the initial explosion. This explosion was projected northward out of the side of the volcano, unlike other explosions, which have most of their force directed upward.Most of Pinatubo's damage was caused by ashfall, which was exacerbated by heavy rain from Typhoon Yunya, which impacted the Philippines during the eruption.
How did the emergency services cope with the eruption of mt st helen's?
they phoned darth vada for a flying tata
What preventable measures were taken to keep people as safe as possible during the 1980 Mount St Helen's Eruption?
In the eruption of 1980 in Mt. St. Helen's, the evacuation routes were used to escape the lava flow and get to higher grounds.
