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Three important factors control whether an eruption will be explosive or quiet. One is the amount of water vapor and other gases that are trapped in the magma. The other factor is how much silica is present in the magma. And temperature.
Wiki User
∙ 12y ago
Bini Dan Tube
Violent eruptions occur when magma contains high levels of gas and silica, creating pressure that builds up until it explodes. Volcanoes that erupt less violently may have lower gas and silica content in their magma, allowing the lava to flow more easily. Factors like magma viscosity, gas content, and the presence of a vent can influence the explosiveness of a volcano.
Wiki User
∙ 10y agoIt all depends on the the temperature and the consistency of the lava
Bini Dan Tube
the answer involves at least three factors.
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the amount of gas dissolved in the magma.
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viscosity of the magma
3.the rate of decompression of the magma as it rises toward the surface.
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