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How big was mt st helens' blow down zone?
The blowdown zone of Mount St. Helens, following its catastrophic eruption on May 18, 1980, extended approximately 230 square miles (600 square kilometers). The force of the eruption produced a lateral blast that knocked down millions of trees and flattened vegetation in the surrounding area. This devastation was primarily concentrated in the north and northeast directions, where the effects of the blast were most severe. The event significantly altered the landscape and ecosystem of the region.
How big is the crater dimensions of Mt Saint Helens?
96 miles
How big was the exclusion zone when mt st helens erupted?
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
Did mt st helens have lava come out when it erupted?
Mt. St. Helens did not have lava flow during its 1980 eruption. Instead, it underwent a catastrophic lateral blast that expelled hot ash, steam, and debris. The eruption resulted in a massive eruption column and pyroclastic flows.
Which areas were affected in the 1980 eruptio of mt st helens?
The 1980 eruption of Mount St. Helens affected a large area around the volcano in Washington state. The blast zone impacted approximately 230 square miles, destroying forests, lakes, and wildlife. The eruption also caused avalanches, mudflows, and lahars that affected the surrounding landscape.
Which way did mt st helens erupt?
Sideways (Lateral Blast).
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
How big was mt st helens' blow down zone?
The blowdown zone of Mount St. Helens, following its catastrophic eruption on May 18, 1980, extended approximately 230 square miles (600 square kilometers). The force of the eruption produced a lateral blast that knocked down millions of trees and flattened vegetation in the surrounding area. This devastation was primarily concentrated in the north and northeast directions, where the effects of the blast were most severe. The event significantly altered the landscape and ecosystem of the region.
Is Mt Saint Helens a big sized volcano?
Yes.
How big is the crater dimensions of Mt Saint Helens?
96 miles
Where was the explosion of mt st Helens?
At Mt. St. Helens.
How big was the exclusion zone when mt st helens erupted?
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
What Volcano in the northwestern US?
Mt. St. Helens Mt. St. Helens
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.
Did mt st helens have lava come out when it erupted?
Mt. St. Helens did not have lava flow during its 1980 eruption. Instead, it underwent a catastrophic lateral blast that expelled hot ash, steam, and debris. The eruption resulted in a massive eruption column and pyroclastic flows.
