The diagram below shows the formation of a supervilcano and the stages involved. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.

The diagram illustrates a process, which includes four stages, of how supervolcanoes are formed. It is shown, that Earth has a layered structure that consists of mantle,

magma

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and

crust

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. The formation begins when

magma

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fills the hole in the

crust

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, which is called a

magma

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chamber. At

this

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stage

crust

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and surface

are

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area

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remained untouched. After

magma

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takes up all the space in the

magma

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chamber it still proceeds to flow from underneath, exerting great pressure on the

crust

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and that in terms causes fissures to form. Moving on to the next stage,

magma

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is pushed out with a huge speed through the cracks in the

crust

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right to the surface, where lava and smoke make their way out and cause volcanic eruptions.

Lastly

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,

due to

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depression, the surface becomes unstable and falls back down into the pit

that is

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formed

on

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in

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a place where the

magma

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chamber used to be before the eruption.

This

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ends the process of

supervolcan

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supervolcano

supervolcanic

formation.