Yellowstone Caldera - Wikipedia
Yellowstone Caldera, also known as the Yellowstone Plateau Volcanic Field, is a Quaternary caldera complex and volcanic plateau spanning parts of Wyoming, Idaho, and Montana. It is driven by the Yellowstone hotspot and is largely within Yellowstone National Park .
Yellowstone Caldera | Volcano type, Eruption, Size, Map, & Facts ...
2025年1月3日 · Yellowstone Caldera, enormous crater in the western-central portion of Yellowstone National Park, northwestern Wyoming, that was formed by a cataclysmic volcanic eruption some 640,000 years ago. It measures approximately 30 by 45 miles (50 by 70 km), covering a large area of the park.
Geology and History of Yellowstone | U.S. Geological Survey - USGS.gov
2023年11月8日 · Over the past 2.2 million years, the 17,000 km 2 (6,500 mi 2) Yellowstone Plateau has been shaped by explosive eruptions and profound collapse of the ground, enormously thick lava flows, uplift and extensive faulting, and the erosive power of …
Yellowstone’s caldera, resurgent domes, and lava …
Yellowstone Caldera formed 631,000 years ago when a prodigious volume of rhyolite magma (about 1,000 cubic kilometers, or 240 cubic miles) erupted explosively from a reservoir 5–10 km (3-6 miles) beneath the surface.
Inside the Yellowstone Caldera: A Geological Marvel | Skyblue …
2024年6月27日 · The Yellowstone Caldera spans approximately 30 by 45 miles (48 by 72 kilometers) and encompasses a diverse array of geological features. The caldera’s structure is characterized by a complex interplay of volcanic, hydrothermal, and tectonic processes.
Volcano - Yellowstone National Park (U.S. National Park Service)
2021年8月31日 · The Yellowstone caldera was created by a massive volcanic eruption approximately 631,000 years ago. Later lava flows filled in much of the caldera, now it is 30 x 45 miles. Its rim can best be seen from the Washburn Hot Springs overlook, south of Dunraven Pass.
Yellowstone Caldera - Simple English Wikipedia, the free …
The Yellowstone Caldera is a volcanic caldera and supervolcano in Yellowstone National Park in the Western United States. It is sometimes referred to as the Yellowstone Supervolcano. The caldera and most of the park are in the northwest corner of …
Yellowstone Caldera - Yellowstone Geology
The region’s most recent caldera-forming eruption 640,000 years ago created the 35-mile-wide, 50-mile-long (55 by 80 km) Yellowstone Caldera. Pyroclastic flows from this eruption left thick volcanic deposits known as the Lava Creek Tuff, which can be seen in the south-facing cliffs east of Madison, where they form the north wall of the caldera.
Geology - Yellowstone National Park (U.S. National Park Service)
One of the largest volcanic eruptions known to have occurred in the world, creating one of the largest known calderas. More than 10,000 hydrothermal features, including approximately 500 geysers—the most undisturbed hydrothermal features left in the world. The largest concentration of active geysers in the world—more than half of the world’s total.
Volcano: Yellowstone Caldera | Blog - Science Museum of Virginia
2019年8月26日 · Eruptions of that size generally create a circular collapse feature called a caldera. The largest eruption at Yellowstone (2.1 million years ago) had a volume of 2,450 cubic kilometers - enough material to cover the entire state of Virginia in ash over 70 feet thick. Like many other supervolcanoes, Yellowstone has also had much smaller eruptions.
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