what is a volcanic eruption - EAS

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  1. A volcanic eruption occurs when hot materials from the Earth's interior are thrown out of a volcano. Lava, rocks, dust, and gas compounds are some of these "ejecta". Some are quiet outflows of hot lava.

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    How do you describe a volcanic eruption?
    A Scientific Look at Volcanic Eruptions. They indicate the motion of molten rock beneath the surface. Once an eruption is about to happen, the volcano can spew out lava in two forms, plus ash, and heated gases. Most people are familiar with the sinuous-looking ropy "pahoehoe" lava (pronounced "pah-HOY-hoy").

    What Happens When a Volcano Erupts? - ThoughtCo

    www.thoughtco.com/what-happens-when-a-volcano-erupt…
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    What is a volcano?
    A volcano is an opening in the earth’s crust through which lava, volcanic ash, and gases escape. Volcanic eruptions are partly driven by pressure from dissolved gas, much as escaping gases force the cork out of a bottle of champagne. Beneath a volcano, liquid magma containing dissolved gases rises through cracks in the Earth’s crust.

    What is a volcano?

    chis.nrcan.gc.ca/volcano-volcan/volcano-volcan-en.php
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    What is a vulcanian eruption?
    A Vulcanian eruption is a short, violent, relatively small explosion of viscous magma (usually andesite, dacite, or rhyolite). This type of eruption results from the fragmentation and explosion of a plug of lava in a volcanic conduit, or from the rupture of a lava dome (viscous lava that piles up over a vent).

    Types of Volcanic Eruptions - Geology

    geology.com/volcanoes/types-of-volcanic-eruptions/
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    What causes a volcano to erupt?
    Volcanic eruptions are partly driven by pressure from dissolved gas, much as escaping gases force the cork out of a bottle of champagne. Beneath a volcano, liquid magma containing dissolved gases rises through cracks in the Earth’s crust.

    What is a volcano?

    chis.nrcan.gc.ca/volcano-volcan/volcano-volcan-en.php
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  3. Volcanic eruptions | IFRC

    https://www.ifrc.org/volcanic-eruptions

    A volcanic eruption is when lava and gas are released from a volcano—sometimes explosively. The most dangerous type of eruption is called a 'glowing avalanche' which is when freshly erupted magma flows down the sides of a volcano.

  4. Volcano Eruption - Definition, Types and Causes | Volcano ...

    https://byjus.com/physics/volcano-eruption

    11/10/2017 · A volcanic eruption occurs when any molten rocks open through the surface of the planet. Learn the reason behind volcano eruption @Byju's.

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  6. Volcanic Eruption - an overview | ScienceDirect Topics

    https://www.sciencedirect.com/.../volcanic-eruption

    Volcanic eruption -cyclicity is the whole of erupted materials, inside volcanic structures, which are generated during one volcanic activity period, and is generally formed through the erupted volcanic rocks overlaid from several edifices and sedimentary rocks …

  7. Volcanic eruption - definition of volcanic eruption by The ...

    https://www.thefreedictionary.com/volcanic+eruption

    Noun. 1. volcanic eruption - the sudden occurrence of a violent discharge of steam and volcanic material. eruption. discharge - the sudden giving off of energy. Plinian eruption - a volcanic eruption in which a stream of gas and ash is violently ejected to a height of several miles.

  8. Hình ảnh của What Is a Volcanic Eruption

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  9. What is a volcanic eruption definition? - AskingLot.com

    https://askinglot.com/what-is-a-volcanic-eruption-definition

    25/01/2020 · A volcanic eruption occurs when hot materials from the Earth's interior are thrown out of a volcano. Lava, rocks, dust, and gas compounds are some of these 'ejecta'. Some are quiet outflows of hot lava. Several more complex types of volcanic eruptions have been described by …

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