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Volcanic eruption - Simple English Wikipedia, the free encyclopedia


A volcanic eruption occurs when hot materials are thrown out of a volcano. Lava, rocks, dust, ash and gas compounds are some of the materials. Eruptions can ...

What happens when a volcano erupts? | Reference.com


Volcanoes erupt to release pressure built up in the magma chamber by expelling the magma as lava. Along with lava, a volcanic eruption releases ash and ...

How It Happens | Volcanic Eruptions - Video - NYTimes.com


Jan 5, 2015 ... Understand the science behind the headlines in How It Happens, which combines simple explanation and elegant animation to reveal the ...

Volcano Eruption - Earth Facts and Information


Volcanic eruptions happen deep down inside the earth. When the earth's tectonic plate's shift, it causes more than just earthquakes, it can create new volcanoes ...

Volcanic Eruptions | Scholastic.com


About 50 to 60 eruptions happen each month. Some volcanoes are in constant activity — Stromboli, Kilauea, or Sakurajima, for example. There are many ...

What Happens Before a Volcano Blows? | Science | Smithsonian


Feb 7, 2012 ... A caldera is a very large crater that forms after a very large volcanic eruption. The eruption is explosive and ejects a lot of material. Most of what ...

What will happen when the eruption ends?


Nov 3, 2000 ... Earthquakes · Other Volcanoes. Volcanic Hazards ... In fact, this could even happen before the Pu`u `O`o eruption ends. Many people believe ...

How Do Volcanoes Erupt? - Universe Today


May 26, 2016 ... Volcanic eruptions are driven by a combination of mechanisms, which include pressure and heat in the Earth's mantle, as well as tectonic ...

www.ask.com/youtube?q=What Happens When Volcanoes Erupt&v=2sXizT_em-I
Jan 6, 2015 ... The eruption of a volcano can be one of the planet's most destructive events - spewing huge amounts of rock, gas and ash that can kill people.
www.ask.com/youtube?q=What Happens When Volcanoes Erupt&v=-kQwudeT3ww
Jun 29, 2013 ... A quick and fun cartoon lesson about volcanoes. Great for teachers and students- hope you guys enjoy! Be sure to subscribe if you like it, there ...
When a volcano erupts, hot magma (molten rock), gases and volcanic ash are emitted. The explosiveness of the eruption depends on the consistency of the magma and the amount of pressure built up prior to eruption.
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What happens when a volcano erupts


An eruption begins when pressure on a magma chamber forces magma up through the conduit ... Volcanic activity is classified by how often a volcano erupts .

Why are there volcanoes? Why do they erupt? | Volcano World ...


Volcanoes erupt because of density and pressure. The lower density of the magma relative to the surrounding rocks causes it to rise (like air bubbles in syrup).

What happens during an volcanic eruption


Volcanic hazards and prediction. What happens during an volcanic eruption: Types of volcanic eruptions are quite varied, dependent on the type of magma, the ...