Fountain Geyser, Fountain geyser in Lower Geyser Basin of Yellowstone National Park, Wyoming, United States.
The Great Fountain Geyser releases water in bursts reaching heights of 75 to 220 feet through a circular pool surrounded by mineral formations.
The 1959 Hebgen Lake earthquake caused substantial changes to the geyser's behavior by altering the underlying glacial gravel deposits in the Lower Geyser Basin.
Scientists study the geyser's thermophilic bacteria, including Thermus aquaticus, which contributes to research in molecular biology and DNA analysis techniques.
Visitors can obtain eruption predictions at the Old Faithful Visitor Center, as the geyser follows a cycle of 9 to 15 hours between displays.
The water display consists of multiple phases lasting up to two hours, with initial overflow followed by strong bursts and occasional wild-phase activity.
Location: Wyoming
GPS coordinates: 44.55410,-110.81200
Latest update: March 3, 2025 09:44
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