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How can the composition of magma affect the way volcano erupts?
If the composition of the magma is high in silica, the eruption will be explosive. The Eruption of Mt. St. Helens was an explosive eruption. If the composition of the magma is low in silica, it will produce a quiet eruption. The eruption(s) of Mt. Kilauea are quiet eruptions.
Was mauna loa a quiet or explosive eruption?
No, Mauna Loa is not an explosive volcano. It tends to be non-explosive.
What determines whether a volcano will erupt violently or quietly?
if a volcano is high in silica, it will be explosive. If its low in silica, it will be quiet. Two important things that determine whether an eruption will be explosive or quiet: # The amount of water vapor and other gases that are trapped in the magma. # If the magma is basaltic or grantic.
What are a volcano's stages of activity?
quiet and explosive
Does a composite volcano have both quiet and explosive eruptions?
yes a composite volano is both quiet and explosive
How does magma composition and the resulting eruption affect the form of a volcano?
If the composition of the magma is high in silica, the eruption will be explosive. The Eruption of Mt. St. Helens was an explosive eruption. If the composition of the magma is low in silica, it will produce a quiet eruption. The eruption(s) of Mt. Kilauea are quiet eruptions.
What are 3 things explosive and quiet eruption have in common?
The yboth have silica
What are the two kinds of volcano eruptions?
quiet and explosive
Is the Yellowstone volcano quiet explosive or both?
Yes. The Yellowstone volcano has produced several VEI-8 eruptions, the most explosive level of eruption possible.
What are the two factors the control whether a volcano eruption will be explosive or quiet?
The two main factors that control whether a volcano eruption will be explosive or quiet are the viscosity of the magma and the presence of dissolved gases. High viscosity magma (thick and sticky) and high gas content tend to result in explosive eruptions, whereas low viscosity magma (thin and runny) and low gas content lead to quiet eruptions.
What kind of eription is produced when basaltic lava that is low in silica flows from a volcan?
A quiet, non explosive eruption. Silica-high lava produces explosive eruptions.
What are the two main kinds of volcano eruptions?
quiet and explosive
