Clepsydra Geyser, Hydrothermal geyser in Lower Geyser Basin, Yellowstone National Park, United States.
Located at an elevation of 7,254 feet, Clepsydra Geyser releases continuous eruptions of water reaching heights of 45 feet into the Wyoming sky.
Named during the Captain Jones expedition in 1878, this geyser maintained three-minute eruption intervals until the Hebgen Lake earthquake of 1959.
The name Clepsydra originates from ancient Greek terminology for water clock, reflecting the former precise timing of its eruption patterns.
Visitors can observe the geyser safely from the Fountain Paint Pot Nature Trail boardwalk while maintaining distance from the hot water discharge.
The 1959 earthquake transformed this geyser from a periodic feature into an almost continuously erupting thermal formation with brief interruptions.
Location: Teton County
GPS coordinates: 44.55410,-110.81000
Latest update: March 3, 2025 03:27
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