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Q: How much pressure is added for a volcano to erupt?
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How can erupt the volcano?

Volcanoes erupt when there is an earthquake or when there is too much pressure inside it.


Do volcanoes erupt once a lifetime?

A volcano can erupt many times. If the pressure from below builds up too much, the volcano will erupt, throwing out very hot gases and lava, until the pressure has been released.


What causes an underwater volcano erupts?

Volcanoes underwater erupt in much the same way as those on dry land. They erupt when pressure builds up. The difference between these two types of volcanoes is that the lava produced in an underwater volcano cools dramatically faster than the lava on land.


What causes the difference between quiet and exploses eruptions?

It depends on how much silica is in the magma. If there is low-silica in the magma then the volcano will erupt quietly. If there is high-silica in the magma then the volcano will erupt explosively.


Is it true that a dormant volcano is erupting or may erupt in the near future?

It is not true that a dormant volcano is erupting. If it's erupting, it's by definition not dormant. It has pretty much always been, and will pretty much always be, true that a dormant volcano may erupt in the near future.


How is a volcano similar to a bottle of soda?

Pretty much because they both have swag and erupt


What makes a Volcano work?

The pressure and heat in the volcano. When to much pressure builds it makes a eruption.


How much pressure is in a volcano?

a lot


Why did the volcano in Iceland erupt?

the heat of the volcano made the ash rise eventually the pressure was 2 much and it erupted


What is the volcano beside the Iceland volcano called?

You're probably thinking of the second, much larger volcano in Iceland that began showing signs that it may be about to erupt after the start of the Eyjafjallajökull eruption. That volcano is named Katla.


Where is the earths energy released?

Earths energy is released when there is too much heat inside of Earth and volcano's erupt.


Why submarine volcanoes seldom erupt with an explosion?

too much air pressure