Is the Yellowstone supervolcano really 'due' for an eruption?
2023年1月21日 · The Yellowstone Caldera — the cauldron-like basin at the summit of the volcano — is so colossal that it is often called a "supervolcano," which, according to the Natural History Museum in London,...
Yellowstone Supervolcano Eruptions Were Even More Explosive …
2023年5月19日 · The last super-eruption at Yellowstone volcano, which occurred 631,000 years ago, was not one huge explosion. Instead, new research suggests it was a series of eruptions or multiple vents...
Yellowstone Caldera - Wikipedia
The Island Park Caldera supereruption (2.1 million years ago), which produced the Huckleberry Ridge Tuff, was the largest, and produced 2,500 times as much ash as the 1980 Mount St. Helens eruption. The next biggest supereruption formed the Yellowstone Caldera (640,000 years ago) and produced the Lava Creek Tuff.
Supervolcano facts and information - National Geographic
2019年3月19日 · The magma lurking in Yellowstone's shallow reserve is between just 5 and 15 percent molten. An eruption usually requires at least 50 percent to gel in this gooey hot state.
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.
Yellowstone Supervolcano May Rumble to Life Faster Than Thought
2017年10月11日 · About 630,000 years ago, a powerful eruption shook the region, spewing forth 240 cubic miles’ worth of rock and ash and creating the Yellowstone caldera, a volcanic depression 40 miles wide...
Is Yellowstone's Supervolcano Due for an Eruption? Experts Have …
2024年11月6日 · A recent update on the U.S. Geological Survey (USGS) website offers new insights into the timing of a potential eruption of Yellowstone's supervolcano —one of the world's largest active ...
Five Things to Know About the Yellowstone Supervolcano
2017年10月23日 · The Yellowstone volcano has had three “supereruptions” in the last 2 million years, one 2 million years ago, another 1.2 million years ago and a third around 630,000 years ago.
Is a super eruption at Yellowstone imminent? A geophysicist …
2024年8月5日 · On July 23, a hydrothermal explosion erupted at Biscuit Basin, a popular and well-traveled portion of Yellowstone National Park. The explosion sent steam and debris hundreds of feet into...
Summary of Yellowstone Eruption History | U.S. Geological Survey - USGS.gov
2023年11月7日 · Three extraordinarily large explosive eruptions in the past 2.1 million years each created a giant caldera within or west of Yellowstone National Park. During these eruptions, enormous volumes of hot, fragmented volcanic rocks spread outward as pyroclastic density currents over vast areas.