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Volcanism at Yellowstone is relatively recent, with calderas created by large eruptions that took place 2.1 million, 1.3 million, and 640,000 years ago. The calderas lie over the Yellowstone hotspot under the Yellowstone Plateau where light and hot magma (molten rock) from the mantle rises toward the surface.
This in turn released the enclosed magma as lava and caused the surface above the emptied magma chamber to collapse. [20] Water later filled the collapsed area of the caldera, forming an extension of Yellowstone Lake. This created the source of heat and water that feed the West Thumb Geyser Basin today. Geyser cone under water at West Thumb ...
The magma chamber that lies under Yellowstone is estimated to be a single connected chamber, about 37 miles (60 km) long, 18 miles (29 km) wide, and 3 to 7 miles (4.8 to 11.3 km) deep. [85] The current caldera was created by a cataclysmic eruption that occurred 640,000 years ago, which released more than 240 cu mi (1,000 km 3 ) of ash, rock and ...
44°26′N 110°40′W / 44.43°N 110.67°W / 44.43; -110.67. The Yellowstone hotspot is a volcanic hotspot in the United States responsible for large scale volcanism in Idaho, Montana, Nevada, Oregon, and Wyoming, formed as the North American tectonic plate moved over it. It formed the eastern Snake River Plain through a succession ...
Beneath the ground of Yellowstone National Park lies a monster volcano that had its last super-eruption over 630,000 years ago. ... that after the volcano was injected with fresh magma. RELATED ...
A magma chamber is a large pool of liquid rock beneath the surface of the Earth. The molten rock, or magma, in such a chamber is less dense than the surrounding country rock, which produces buoyant forces on the magma that tend to drive it upwards. [1] If the magma finds a path to the surface, then the result will be a volcanic eruption ...
A long-quiet yet massive super volcano, dubbed the "Long Valley Caldera," has the potential to unleash a fiery hell across the planet, and the magma-filled mountain has a history of doing so.
List of Yellowstone geothermal features. This is a sortable table of the notable geysers, hot springs, and other geothermal features in the geothermal areas of Yellowstone National Park . / 44.543109; -110.796341 ( A-0 Geyser) / 44.418250; -110.572571 ( Abyss Pool) / 44.46273; -110.8289 ( Anemone Geyser)