What if the Yellowstone supervolcano erupted? | HowStuffWorks
2023年9月21日 — If the Yellowstone supervolcano were to erupt, it would happen like this: Heat rising from deep within the planet's core would begin to melt the molten rock just below the ground's surface. That would create a mixture of magma, …
What would happen if a "supervolcano" eruption occurred again …
The most likely explosive event to occur at Yellowstone is actually a hydrothermal explosion (a rock hurling geyser eruption) or a lava flow . Hydrothermal explosions are very small; they occur in Yellowstone National Park every few years and form a crater a few meters across.
What If Yellowstone's Supervolcano Erupted? - RealClearScience
2019年10月10日 — The Yellowstone supervolcano has unleashed three cataclysmic eruptions in the past 2.1 million years; all well before humans populated North America. The most recent was 640,000 years ago, which formed Yellowstone as we know it and spewed 240 cubic miles of ash, rock and pyroclastic materials over roughly half of what is now the United States.
What will happen when the Yellowstone Supervolcano erupts again?
2021年6月16日 — When Yellowstone does erupt, it won’t be like Hawaii and it won’t even be like Mount St. Helens. The pool of magma underneath Yellowstone is huge, and it will take days or weeks to empty. The...
Yellowstone Supervolcano May Rumble to Life Faster Than Thought
2017年10月11日 — If the supervolcano underneath Yellowstone erupts again, we may have far less advance warning time than we thought. After analyzing minerals in fossilized ash from the most recent...
When a Sleeping Giant Awakes - Education
2024年4月29日 — A caldera-forming eruption would create a massive natural hazard in Yellowstone. Scientists say the last Yellowstone eruption was 1,000 times greater than the notorious 1980 Mt. Saint Helens eruption that killed 56 people and thousands of animals, and scorched hundreds of square kilometers of land in Washington and Oregon.
What If the Yellowstone Supervolcano Erupts? | Live Science
2016年5月2日 — Scientists scrutinize past supereruptions, as well as smaller volcanic blasts, to predict what would happen if the Yellowstone Volcano did blow. Here's a deeper look at whether Yellowstone's ...
The thought experiment: What would happen if the …
Yellowstone National Park (USA) is located on top of an active super volcano that last erupted around 640,000 years ago. 1. Earthquakes. Months of earthquakes would culminate in a huge quake, creating fissures to the magma chamber 7km below.
Is the Yellowstone supervolcano really 'due' for an eruption?
2023年1月21日 — Is Yellowstone "due" for an eruption? Media reports have often claimed that Yellowstone is due to erupt. They claim that because the last eruption of the supervolcano was 70,000 years...
Ask Smithsonian: What Would Happen if the Yellowstone Volcano Erupted?
In this one-minute video, Ask Smithsonian host Eric Schulze explains the supervolcano that lies beneath the national park and answers the life-or-death question: Will it erupt in a fiery inferno...