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What caused yellowstones eruption?

Updated: 8/19/2019
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12y ago

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Yellowstone's last eruption was approximately 620,000 years ago, and therefore the precursory events are not well understood. As to what causes any volcanic eruption the answer can be simple or complex depending on which way you look at it. If you look at it from the simple way it is as follows: pressure within the magma chamber exceeds the pressure of the earth holding it in causing an eruption. As per the complex way of what events actually triggered an eruption of this size is poorly understood. It is however more than likely that it was not one single trigger for the eruption but a combination of different things as the magma chamber approached critical that allowed it to break through causing the super eruption.

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12y ago
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Q: What caused yellowstones eruption?
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