Spasmodic Geyser, Thermal geyser in Upper Geyser Basin, Yellowstone National Park, Wyoming, United States.
Spasmodic Geyser contains two craters and twenty vents that release water streams reaching heights up to fifteen feet during eruption cycles.
A. C. Peale from the 1878 Hayden geological survey team named this geyser based on its unpredictable eruption patterns.
Scientists and researchers study this geyser to understand the underground connections between different thermal features in Yellowstone National Park.
Visitors can observe the geyser eruptions from designated boardwalks, with intervals occurring every one to three hours throughout the day.
The water temperature reaches 92 degrees Celsius, and its activity stops completely when the neighboring Penta Geyser starts erupting.
Location: Wyoming
GPS coordinates: 44.46560,-110.83500
Latest update: March 5, 2025 02:28
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