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How is gas stored in a volcano?
Gas is stored in the Magma chamber at the bottom of the volcano, along with the magma.
Which of these is not a common gas in magma?
Oxygen is not a common gas in magma. Magma is typically composed of gases such as water vapor, carbon dioxide, sulfur dioxide, and hydrogen sulfide.
Where was the gas before it shot out of the volcano?
The gas was trapped in the magma.
What gas is formed in magma?
steam
How does gas affect a volcano eruption?
Volcanoes vary a lot in how they erupt. The most important factor is the gas content of the magma. All magmas have gases dissolved in them, in the same way that soft drinks have carbon dioxide dissolved in to make them fizzy. As the magma gets close to the surface, the pressure on the magma decreases. That causes some of the gas to bubble out of the magma. Magma with low gas content comes out of the volcano without violent explosions and then flows peacefully down the sides of the volcano.
Does Andesitic magma have both an intermediate gas content and explosiveness?
Andesitic magma typically has an intermediate gas content, resulting in eruptions that can be explosive, but not as violently explosive as magmas with higher gas contents like rhyolitic magma. The explosiveness of Andesitic magma eruptions can be influenced by factors such as the speed of gas release and the presence of water or other volatiles.
If the magma of a volcano has a high amount of dissolved gas what type of eruption will the volcano have?
Typically, high viscosity, high gas magma results in a Plinian (explosive) eruption. The gas pulverizes the magma into ash and may form lateral pyroclastic flows.
Does basaltic magma have little gas?
Yes, basaltic magma typically has low gas content compared to other types of magma. This is because basaltic magma is formed at high temperatures and pressures which allows gases to escape more easily. The low gas content contributes to the relatively quiet and effusive eruptions common with basaltic magma.
Why do volcanoes have gas in them?
because of the heat in magma.
How does does gas behave at different depths in a magma and how does it influence eruptive style?
At most depths, gas is dissolved in the magma under pressure. When the magma gets close to the surface the gas comes out of solution, forming bubbles which expand rapidly. If enough gas is present in the magma, this expansion results in eruptions that take the form of violent explosions and generate large clouds of ash.
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.
Why is mauna loa nonexplosive?
The explosive force of a volcanic eruption comes from gas trapped in the magma. The magma that feeds Mauna Loa has a low gas content.
