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How dangerous is Mt Saint Helens?
scientist say mt. saint helens is so powerful that the erupt of may 18 1908 was felt in 3 other states
What was the majors eruptions of mt st Helens?
The major eruptions of mt st Helen where that it was very active and the ground in the volcano always had a earth quake and so the made the eruptions in mt st Helen still active but was deadly in the 1900s.
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.
Why is Mt St Helens eruption so well known?
Because I think it was one of the biggest eruptions.
How does weight change at mean sea level and Mt. Helens?
Your weight(force due to gravity) equals your mass times the acceleration due to gravity(g). g=G*(Mass of Earth)/(r^2) So (force@helens)/(force@sea level)= g(@helens)/g(@sea level)= [(radius of earth)/(radius of the earth+height of helens)]^2 radius of earth = 6378.1 km Altitude of mt helens = 2.55 km Your mass cancels out because it is equal regardless of gravity. So your weight at mt helens is equal to 99.92% of your weight at sea level. Hope that helps
How wide is Mt St Helens?
It is around at least 4 football feilds long so 400 yards
What are the disadvanteges of living near mt helens?
It is an ACTIVE volcano so it can erupt but it is near impossible to escape the ash
What is special about Mt St Helens that visitors should know?
There is an urban legend that there was a old man that lived by mt. st. Helens and he did not want to evacuate. so he got buried under all the ashes. They spent days, week, even month looking for him. But he was never found. Now they say that in the forest by mt. st. Helens around midnight you can hear hem exclaiming "NO, NO, NO ,NO. Leave this forest this is my home. This is my Home." so that's something pretty interesting.
How strong is Mt St Helens?
Mt St Helens erupted at 8:32 am PDT on May 18, 1980(a VEI 5 event). it erupted with 24 megatons of thermal energy. so yes, Mt St Helens was a very strong and large eruption. history repeats itself so it is safe to assume that it will happen again.
Why is mount st helens eruptions so explosive?
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.
How much damage did Mt Shasta cause?
Mt. Shasta is Plinian meaning that they are explosive. They damaged a lot but many people could evacuate in time so not many were killed.
How was Mt St Helens created?
Mount St. Helens was created due to the subduction of the Juan de Fuca plate below the North American plate. This subduction caused partial melting of material in the mantle which formed magma. This magma was more buoyant than the surrounding material so migrated towards Earth's surface, resulting in the formation of volcanoes in the Cascades mountain range, including Mt. St. Helens.
