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When a lot of pressure is exerted on the magma underneath the earths crust, it is forced outwards in often violent eruptions. The size and type of eruptions depends on the amount of pressure, type of magma, and type of volcano. Hope that helps.

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12y ago
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15y ago

Why do Alaska valcano's not lava flows when eruptions happen?

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13y ago

volcanoes often occur in the east of the northern hemisphere, where as alot of the time earthquakes occur in the west and in the Southern Hemisphere.

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11y ago

Mid Ocean Ridge, fissures

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Q: How do the lava erupt out of a volcano?
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Related questions

When volcano erupt they expel what zircons or lava?

lava


What happens to lava when a volcano erupt?

lava shoots out of the top


What makes a volcano to erupt?

the hot lava


When does a volcano erupt quietly?

If it has liquid Lava


Why do some volcanoes erupt while others erupt quietly?

This is because of the time of volcano it is and the type of lava it excretes. A steep volcano will erupt with basaltic lava which is runny and can clog at the top. A shield volcano, however is different as the thick lava emitted just glops onward.


When did the first Shield Volcano Erupt?

bi lava


What does lava erupts through?

If you mean 'how does lava release itself from the volcano', it erupts through the volcano's crater. But if you mean 'how does lava erupt from the volcano', then sorry, I have no answers to that.


What type of lava comes from what volcano?

Shield volcanoes will erupt basaltic lava. Cinder cones erupt basaltic lava or basaltic andesite lava. Stratovolcanoes often erupt andesite lava, but may erupt basaltic or rhyolitic lava and all intermediate types as well.


What is an nonexplosive volcano?

Lava flow.


Do earthquakes cause volcanoes to erupt?

i think so because if a earthquake is close to a volcano the the shaking from a earthquake will put a crack in the volcano lava chamber and then the volcano erupt.


How did the wolf volcano erupt?

The lava flowed down the volcano and gas got in the side vents


What you call a volcano which can still erupt hot lava hot gases and dust?

An "Active" volcano.