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Quiet
Like most stratovolcanoes, Mount St Helens alternates between explosive and effusive eruptions.
Convergent
It produces violent eruptions
It is a composite volcano, so the kind of eruptions it has is explosive.
Quiet
Like most stratovolcanoes, Mount St Helens alternates between explosive and effusive eruptions.
Convergent
It produces violent eruptions
it has pyroclastic flow and has small eruptions of ash.
It is a composite volcano, so the kind of eruptions it has is explosive.
In its most recent activity Mount Etna has erupted basaltic lava. These eruptions have been mildly explosive and produced glowing red lava flows due to the lava's relatively low viscosity.
Magma is a hot fluid from deep within the Earth's crust. The set of magma conditions that produce the most explosive eruptions are high viscosity and the presence of dissolved gases.
both quite and violent eruption
No. Caldera and shield volcanoes are quite different. Shield volcanoes usually undergo effusive eruptions, the least violent type and produce basaltic lava. Caldera forming volcanoes erupt explosively and are the most violent. They generally produce rhyolitic lava.
Pahoehoe is a type of basaltic lava flow. The kind of eruption that causes pahoehoe is a quiet volcanic eruption.
the magma in vesuvius is felsic. this means that it is rich in silica and metals.