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Mount St. Helens eruptions are highly explosive due to the composition of its magma, which is typically high in silica. This high silica content increases the viscosity of the magma, trapping gases that build up pressure until they are released violently. Additionally, the geological setting of the volcano, situated at a convergent plate boundary, contributes to the accumulation of volatile materials that enhance the explosive potential during eruptions.
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What kind of volcano is mt st Helen's?
Mount St. Helens is a stratovolcano, also known as a composite volcano. Stratovolcanoes are characterized by their steep, symmetrical cones built up by layers of hardened lava, ash, and rocks. They are known for explosive eruptions due to the high viscosity of their lava.
The type of volcano formed from violent eruptions of a volcano?
A stratovolcano, also known as a composite volcano, is formed from violent eruptions characterized by explosive activity that ejects a mixture of lava, ash, and volcanic rocks. These eruptions are typically associated with high levels of gas pressure within the magma chamber, leading to explosive events.
Is Mt Rainier an explosive or a quiet eruption?
Mount Rainier is considered a potentially dangerous stratovolcano that has the potential for explosive eruptions due to its composition of thick andesitic lava. However, historically, Mount Rainier has mostly experienced effusive eruptions, which are characterized by slower-moving lava flows rather than explosive eruptions. Nonetheless, the volcano's history shows evidence of both types of eruptions, with the potential for future explosive activity due to the buildup of pressure within the volcano.
What type of eruption does MtFuji produce?
It is a composite volcano, so the kind of eruptions it has is explosive.
What are some volcanos?
dear person,I'm so sorry if this answer is wrong but here are some volcano's. there are Hawaii Volcano, Washington Volcano in 1980 and that's all i know
What kind of volcano is mt st Helen's?
Mount St. Helens is a stratovolcano, also known as a composite volcano. Stratovolcanoes are characterized by their steep, symmetrical cones built up by layers of hardened lava, ash, and rocks. They are known for explosive eruptions due to the high viscosity of their lava.
What made mt st Helens so explosive?
Mount Saint Helens' magma/lava composition is different to many volcanoes and is about 64%silica and 4% water.
Why do the volcanoes in Japan have explosive eruptions?
Volcanoes in Japan have explosive eruptions because there is a a magma chamber that has not completely move along the mantle yet so when it erupts it has explosive eruptions.
The type of volcano formed from violent eruptions of a volcano?
A stratovolcano, also known as a composite volcano, is formed from violent eruptions characterized by explosive activity that ejects a mixture of lava, ash, and volcanic rocks. These eruptions are typically associated with high levels of gas pressure within the magma chamber, leading to explosive events.
Is Mt Rainier an explosive or a quiet eruption?
Mount Rainier is considered a potentially dangerous stratovolcano that has the potential for explosive eruptions due to its composition of thick andesitic lava. However, historically, Mount Rainier has mostly experienced effusive eruptions, which are characterized by slower-moving lava flows rather than explosive eruptions. Nonetheless, the volcano's history shows evidence of both types of eruptions, with the potential for future explosive activity due to the buildup of pressure within the volcano.
What type of eruption does MtFuji produce?
It is a composite volcano, so the kind of eruptions it has is explosive.
Why was Mount Saint Helens eruption so famous?
use it
How many eruptions on average does mt saint helens have per year?
Mt. St. Helens does not have eruptions on a yearly basis. It is an active volcano, so the frequency and size of eruptions can vary. Since its catastrophic eruption in 1980, there have been smaller eruptions in subsequent years, but there is no fixed average number of eruptions per year.
Is Mount saint helens a volcano?
yes, it is and so called deadly.
What are some volcanos?
dear person,I'm so sorry if this answer is wrong but here are some volcano's. there are Hawaii Volcano, Washington Volcano in 1980 and that's all i know
Why is Mt St Helens eruption so well known?
Because I think it was one of the biggest eruptions.
Why is mount st Helens still there?
Because it is still active so it is still there.
