Clepsydra Geyser
Clepsydra Geyser is a geyser in the Lower Geyser Basin of Yellowstone National Park in the United States.Clepsydra plays nearly continuously to heights of 45 feet (14 m).[3] It was named by T. B. Comstock during the 1878 Captain Jones expedition,[4] with its nomenclature derived from the Greek word for water clock.Prior to the 1959 Hebgen Lake earthquake, it erupted regularly every three minutes.[5]