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The Grand Prismatic Spring in Yellowstone National Park is the largest hot spring in the United States, and the third largest in the world, [3] after Frying Pan Lake in New Zealand and Boiling Lake in Dominica. It is located in the Midway Geyser Basin.
Name origin: Named by Henry D. Washburn September 18, 1870; 154 years ago (): Location: Upper Geyser Basin Yellowstone National Park Teton County, Wyoming, U.S.: Coordinates: 1]: Elevation: 7,349 ft (2,240 m) [2]: Type: Cone geyser: Eruption height: 106 to 185 ft (32 to 56 m): Frequency: 60 to 90 minutes: Duration: 1½ to 5 minutes: Discharge: 3,700–8,400 US gal (14,000–32,000 L): Old ...
Hot springs and mudpots dot the landscape between the geyser basin and Shoshone Lake. Hot Spring Basin is located 15 miles (24 km) north-northeast of Fishing Bridge and has one of Yellowstone's largest collections of hot springs and fumaroles. [24] The geothermal features there release large amounts of sulfur. This makes water from the springs ...
Yellowstone encompasses the caldera of a huge, slumbering volcano that shows no sign of erupting any time soon but provides the heat for the national park's famous geysers, hot springs, mud pots ...
The most recent volcanic eruption occurred in Yellowstone approximately 650,000 years ago resulting in a 30- by 45-mile caldera, or basin. ... Hot springs are the most common hydrothermal feature ...
Yellowstone is centered on a huge, dormant volcano. The hydrothermal explosion did not indicate new activity within the volcanic system, which remains at normal levels, according to the U.S ...
While Emerald Spring is a mostly calm pool, which usually only has a few bubbles rising to the surface, it does experience periods of turbidity and small 3-foot (1-m) high eruptions. In 1931, Emerald experienced a period of extremely vigorous activity with eruptions measuring 60 to 75 feet (18.2–22.9 m) in height.
The caldera is the enormous volcanic crater left from the last time Yellowstone experienced a giant eruption, 640,000 years ago. It covers an area about 30 by 45 miles .