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True. Many eruptions produce massive clouds of ash, gas, and pumice rather than lava. Phreatic eruptions, as another example, are essentially steam explosions.

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Is magma a explosive eruption and why?

Magma is not an eruption. Magma is a mixture of molten minerals and dissolved gas that is underground. All volcanic eruptions, apart from phreatic eruptions, involve magma.


Any activity that icludes the movement of magma on to the earth's surface?

This is known as a volcanic eruption.


What about magma affects how explosive an eruption will be?

The composition of the magma affects how explosive a volcanic eruption will be.


When magma escapes from the mantle to the sufrface of earth it causes a?

volcanic eruption


Does volcanic dust mean two words magma and melted?

Volcanic dust is not directly defined by the words "magma" and "melted." Instead, volcanic dust is composed of fine particles ejected during a volcanic eruption, which can originate from the eruption of magma that has melted and exploded. While magma is the molten rock beneath the Earth's surface, volcanic dust is the result of volcanic activity, including the fragmentation of lava and other materials. Thus, while magma and melted rock are related to the formation of volcanic dust, they are not synonymous with it.


Magma that is rejected during a volcanic eruption forms igneous rocks?

Magma that is ejected during a volcanic eruption forms extrusive igneous rocks. They are also referred to as volcanic rocks.


What is the relationship between the amount of gases in magma and the explosiveness a volcanic eruption?

The more gases, water vapor and silica there is in magma the bigger the explosiveness of a volcanic eruption.


What are 3 types of non-volcanic types of eruption?

Phreatic eruptions occur when water comes into contact with magma, causing a steam-driven explosion. Phreatomagmatic eruptions involve the interaction of water and magma to produce explosive eruptions. Surtseyan eruptions refer to shallow submarine or coastal volcanic eruptions that interact with water or ice, creating explosive activity.


What may precede a volcanic eruption?

Earthtremors.


Is Magma pockets the violent volcanic eruption?

yes


What determined how strong a volcanic eruption will be?

The viscosity of the magma


What happens to the magma that leads to volcanic eruption?

blast