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Yes. Caldera-forming eruptions release massive amounts of sulfur dioxide. This can form tiny drops of sulfuric acid into the stratosphere. These reflect a small portion of sunlight back into space, lowering global temperatures.
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Is an eruption weather?
No. While some very large volcanic eruptions can affect the weather, the euption itself is a geologic event.
What events cause a caldera?
A caldera forms as a result of and extremely large volcanic eruption. Such massive eruptions drain several to several hundred cubic kilometers of magma from underground. The land then collapses into the space left behind, leaving a depression called a caldera.
What kind of volcano is Yellowstone a composite cinder cone or a shield?
No. it is a caldera and s supervolcano. A shield volcano is characterized by basaltic lava and effusive eruptions with little to no explosive character. Yellowstone produces rhyolytic lava and extremely explosive eruptions.
Is a caldera the same as a volcano?
No. A volcano is a vent or fissure in the ground through which molten rock, ash, and gas can erupt from within the Earth. A caldera is a large depression in the ground that forms during the most violent volcanic eruptions when a volcano collapses in on itself.
Does a volcano affect you even if you are very far from it?
It depends on the type and size of the eruption. Most volcanic eruptions do not cause more than localized disruptions. Extremely large eruptions can cause ash to fall thousands of miles away and change weather patterns worldwide.
What happen to create a caldera?
Calderas form during massive explosve volcanic eruptions. In such eruptions so much material is expelled that it leaves a large empty space under the volcano. The volcano then collapses into this space, forming a giant crater.
What causes a caldera volcano?
A caldera is a depression formed by an extremely large, explosive volcanic eruption. The largest eruptions drain huge amounts of magma from underground, causing the ground above to collapse into the space left behind.
Why do volcanoes get lower?
In an explosive eruption, the summit may be blasted away. In large eruptions, so much magma may be erupted that a volcano can collapse into the space left behind, leaving a caldera.
When is caldera form?
When a large explosive volcanic eruption destroys most of the volcano, the resulting large crater is called a caldera.
Why do volcanoes sometimes get lower?
In an explosive eruption, the summit may be blasted away. In large eruptions, so much magma may be erupted that a volcano can collapse into the space left behind, leaving a caldera.
A large crater formed by the collapse at an everlying volcanic cone?
This is known as a Caldera.
What is a large circular depression formed at the top of a volcano called?
Caldera.
