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The question shows a complete lack of knowledge and understanding about volcanoes. It is vague and needs phrasing more clearly. Do you mean who fast does a magma chamber empty? Do you mean the velocity at which magma moves? Basically, it depends on the type of volcano and the conditions of eruption.
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CoachThe speed at which magma is ejected from a volcano can vary widely depending on factors such as the type of volcano, the viscosity of the magma, and the gas content. In general, magma can be ejected at speeds ranging from a few meters per second to several hundred meters per second during explosive eruptions.
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When a volcano erupts hot matter is ejected through the what?
When a volcano erupts, hot matter is ejected through the vent, which is the opening in the Earth's crust through which magma and volcanic gases are expelled.
How does the magma get into the volcano?
It doesn't. The volcano is a result of the magma travelling from the earths core through geological faults and breaking through the crust of the Earth. The mountain shaped Volcano that you see is the remnants of solidified ash and magma (pumice) which has been ejected from the magma chamber. This cone builds up over the fissure which ejects the magma onto the surface.
What is a volcano shaft?
A volcano shaft refers to a vertical conduit or pipe-like structure that connects the magma chamber beneath a volcano to the surface. It allows magma, gases, and other volcanic materials to be ejected during an eruption. The shape and size of volcano shafts can vary depending on the volcano's specific characteristics.
A volcano with a magma supply which is felsic and has a high viscosity will tend to have what type of eruption?
A volcano with felsic magma and high viscosity will likely have explosive eruptions due to the build-up of pressure from gas bubbles being trapped within the thick magma. This can lead to violent eruptions with ash, gas, and volcanic rocks being ejected forcefully from the volcano.
What do you call the part inside a volcano where magma collects in a pocket?
Lava collects inside a Magma Chamber. "When an erupting volcano empties a shallow-level magma chamber, the edifice of the volcano may collapse into the voided reservoir, thus forming a steep, bowl-shaped depression called a caldera" (Quoted from How Volcanoes Work at http:/wwwzperiodzgeologyzperiodzsdsuzperiodzedu/how_volcanoes_work/Calderaszperiodzhtml)
