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The red exclusin zone was 5km where no activity could take place, the blue where some activity (fertilising trees, logging etc.) could take place was about 15km
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∙ 10y ago
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How big was the blast zone of mt st helens?
Well, I don't know if there is an exact answer, but I know that ash from the eruption spread throughout the whole USA
How far away were the effects felt mount st Helens?
The eruptive effects were felt worldwide for a full year after the 1980 eruption of Mt. St. Helens. There was enough carbon dioxide as well as sulfur dioxide erupted from the volcano that it was able to measurably reduce global temperatures by 1.5 degrees. The heaviest impacted area from the eruption was the area directly to the north that was part of the blow down zone following the lateral blast from the volcano. There was also however a big impact on the central United States due to the ash fall that killed crops and injured live stock.
How big is the crater dimensions of Mt Saint Helens?
96 miles
When the mt Aso erupted how much damage did it cost?
big
How did mount st helens effect humans?
The way Mount Saint Helens affect mankind is that Mount Saint Helens eruption destroyed lots of homes killed 57 people in the eruption and the eruption from Mount Saint helens cost over one billion dollars in damage.
How big was eruption at mt tarawera?
About 2 cubic km of material was erupted. About the size of the Mt St Helens eruption in 1980.
Is Mt St Helens real?
yes it is, it erupted because of a magnitude 5.1 earthquake about 1 mile beneath the volcano, it killed 57 people and 7,000 big game animals.
How big was the blast zone of mt st helens?
Well, I don't know if there is an exact answer, but I know that ash from the eruption spread throughout the whole USA
What is the description of Mt Saint Helens?
big!!
What is the closest big city to mt st Helens?
closest big town to the Mt St Helens National Monument & visitor center is Longview WA.
What are some big volcanoes?
mt st. helens
What happened when Mount st. helens erupted in 1980?
the magma couldn't get to the top so it formed a big bulge on the side, no one was expecting it when it eruped out of the side on the 18th of may 1980. it threw stones miles outwards destroying everything in its path.
How far away were the effects felt mount st Helens?
The eruptive effects were felt worldwide for a full year after the 1980 eruption of Mt. St. Helens. There was enough carbon dioxide as well as sulfur dioxide erupted from the volcano that it was able to measurably reduce global temperatures by 1.5 degrees. The heaviest impacted area from the eruption was the area directly to the north that was part of the blow down zone following the lateral blast from the volcano. There was also however a big impact on the central United States due to the ash fall that killed crops and injured live stock.
Is Mt Saint Helens a big sized volcano?
Yes.
Where did mount kilaeua erupted?
On Big Island, Hawaii.
How big is the crater dimensions of Mt Saint Helens?
96 miles
Has mauna loa ever erupted?
11 times there have been big eruptions
