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Yellowstone FAQs - 26 Found

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What would happen if a "supervolcano" eruption occurred again at Yellowstone?

Such a giant eruption would have regional effects such as falling ash and short-term (years to decades) changes to global climate. The surrounding states of Montana, Idaho, and Wyoming would be affected, as well as other places in the United States and the world. Such eruptions usually form calderas, broad volcanic depressions created as the ground surface collapses as a result of withdrawal of partially molten rock (magma) below. Fortunately, the chances of this sort of eruption at Yellowstone are exceedingly small in the next few thousands of years.

 

 

Tags: Geothermal Resources, Earthquakes, Tectonics, Monitoring, Volcanoes, Lava, Seismicity, Ring of Fire