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There are hot gases mixed with magma. Sometimes the pressure of the magma and hot gases increased a great deal when this happens the rocks deep inside the earth have melted on molten rocks which is called magma. This is how a magma occurs.

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14y ago
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5mo ago

Volcanic eruptions occur when magma from within the earth's mantle rises to the surface. As the magma rises, pressure builds up within the volcano until it is released explosively through vents, leading to an eruption. This process can be triggered by tectonic activity, such as plate movements or volcanic hotspots.

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13y ago

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Q: How is volcano eruption occur?
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Related questions

What is an eruption from the side of a volcano called?

An eruption from the side of a volcano is called a lateral eruption. This type of eruption can occur due to the buildup of pressure in the volcano's magma chamber, causing lava, ash, and other volcanic materials to be expelled from the side of the volcano rather than the summit. Lateral eruptions can pose significant risks to nearby communities and infrastructure.


What kind of eruption can occur where one of earth's plates is sliding under another?

a volcano


When will the next huge volcano erupt?

It is impossible to predict when or where the next major volcanic eruption will occur.


How will a volcano eruption start another disaster?

A volcano eruption can cause an earthquake and or aftershocks


What is a quiet eruption volcano?

its an eruption which is quiet.


What is an eruption from the side of the of a volcano?

An eruption from the side of a volcano is called a lateral eruption. This usually happens at rift zones where a volcano breaks apart. It is also called a flank eruption. If the volcano is explosive, it may also be called a lateral blast.


What type of eruption does composite volcano have?

The type of eruption that a composite volcano has is lava flow with cinders and bombs in an explosive eruption


What is the dormont volcano?

A dormant volcano is a volcano which has had an eruption but it was a long time ago. It is a volcano which shows no sign of activity or a future eruption. Basically, a dormant volcano is a volcano which is asleep.


Do you say a volcano eruption or volcanic eruption?

Both "volcano eruption" and "volcanic eruption" are correct and commonly used phrases to describe the event when a volcano releases ash, gas, and magma onto the Earth's surface.


How is strength of a volcano eruption related to the magma in the volcano?

If the magma is more viscous, the eruption is stronger.


How much magma can cotopaxi can hold?

Cotopaxi volcano is in Ecuador. A volcano magma can be measured during and after volcano eruption. The Cotopaxi eruption in 1987, its lahar has travelled for 60 miles.


When did Huala Lai volcano last erupt?

The last eruption of Hawaii's Hualālai volcano was either in the year 1800 or 1801. It is still active and the next eruption is predicted to occur sometime during this century.