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Non-explosive eruptions of lava and less-violent explosive eruptions have occurred in and near the Yellowstone Caldera since the last super eruption. The most recent lava flow occurred about 70,000 years ago, while the largest violent eruption excavated the West Thumb of Lake Yellowstone around 150,000 years ago. Smaller steam explosions occur ...
Mountain Ranges of Yellowstone. Yellowstone National Park, located primarily in the U.S. state of Wyoming, though the park also extends into Montana and Idaho and its Mountains and Mountain Ranges are part of the Rocky Mountains. There are at least 70 named mountain peaks over 8,000 feet (2,400 m) in Yellowstone in four mountain ranges. Two of ...
The Yellowstone Plateau Volcanic Field, also known as the Yellowstone Supervolcano or the Yellowstone Volcano, is a complex volcano, volcanic plateau and volcanic field located mostly in the western U.S. state of Wyoming, but it also stretches into Idaho and Montana. [4] [5] It is a popular site for tourists. [6] Map of Yellowstone Volcano ash beds
Geothermal features of Yellowstone Name Location Image; A-0 Geyser: Lower Geyser Basin: Abyss Pool: West Thumb Geyser Basin: Anemone Geyser: Upper Geyser Basin
Mount Holmes is a prominent mountain peak in Yellowstone National Park. It is the tallest mountain in the Wyoming portion of the Gallatin Range. Mount Holmes is located in the northwestern part of the park and marks the southern terminus of the Gallatin Range. It is the source of Indian Creek, a tributary of the Gardner River.
One of the hottest springs in Yellowstone, averaging 196 °F (91 °C)., [3] Beryl Spring was named by the U.S. Geological Survey Hague party in 1883 for the blue-green color which reminded a party member of the gemstone beryl.
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July 31, 2003 (Mammoth and Norris, Wyoming; Gardiner, Montana; near Buffalo Lake, Idaho: Yellowstone National Park: Headquarters complex and remote patrol cabins built during the initial administration of the park by the U.S. Army 1886–1918, establishing policies and procedures that influenced subsequent conservation and national park management.