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Increasing pressure pushes the magma upwards. This rising pressure can be caused by many different things.

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Related Questions

What do all volcano's share?

Pocket of magma beneath the surface


What happens as magma from beneath the earths surface erupts as a volcano?

which are the following?


What is a good sentence for magma?

Magma flows beneath the Earth's surface, often leading to volcanic eruptions when it reaches the surface.


What molten rock collects in a chamber beneath a volcano?

Magma collects in a chamber beneath a volcano.


What is the name for lava before it leaves the volcano?

its magma before it reaches earths surface. lava is when its at earths surface


What is the difference between magma and magma chamber?

Magma is molten rock beneath the Earth's surface, while a magma chamber is a reservoir where magma is stored before it rises to the surface as lava. Essentially, magma is the molten rock itself, while a magma chamber is the space within the Earth where magma is stored.


What builds during a dormant volcano?

Pressure and magma build up beneath the surface of a dormant volcano. This buildup can result in an eruption if there is a sudden release of pressure or new magma intrusion into the volcano's system.


What are the geological conditions for a volcano?

For a volcano to erupt the pressure from magma beneath the surface of the earth's crust must exceed the weight of the crust above it


How are volcanoes and magma related?

Magma is the molten material beneath the surface (crust) of the earth. Magma is called lava when it emerges from the earth in its molten state. The volcano is the geologic structure at the end of a volcanic chimney, which is the duct that connects the magma pocket in the earth through the crust to the surface. The volcano is actually at the "output end" of that volcanic tube.


What is the definition of a volcano magma chamber?

A volcano magma chamber is a large underground reservoir that holds molten rock (magma). It is a key component of a volcano's plumbing system and acts as a storage unit for magma before it is eventually erupted to the surface. The magma chamber is typically located beneath the volcano and can vary in size and shape.


Lava is a type of magma but not all magma is lava?

Magma is molten rock beneath the Earth's surface, while lava is magma that reaches the surface through a volcano or fissure. So, while all lava was once magma, not all magma will reach the surface as lava.


What is the tunnel that magma goes through to reach the top of a volcano called?

The tunnel that magma goes through to reach the top of a volcano is called a conduit. This conduit is often a vertical pipe-like structure that connects the magma chamber beneath the volcano to the surface.