By Billings Gazette, Associated Press
YELLOWSTONE NATIONAL PARK, Wyo. (AP) — A noisy geyser in Yellowstone National Park has roared back to life after three years of quiet.
Ledge Geyser is one of the biggest in Yellowstone’s Norris Geyser Basin.
The Billings Gazette reports the geyser shoots hot water at an angle up to 125 feet (38 meters) high and a distance of 220 feet (67 meters).
Yellowstone geologist Jeff Hungerford says Ledge Geyser is noisy because its water and steam must pass through a narrow opening in the ground.
Yellowstone has 1,300 thermal features and 500 geysers, more than anywhere else on Earth. Some geysers such as Old Faithful are predictable but most, like Ledge Geyser, erupt erratically.
Ledge is the second largest geyser in the Norris Geyser Basin, capable of shooting water 125 feet into the air. Because it erupts at an angle, however, the water will sometimes reach the ground 220 feet away.
It has at times in the past erupted at regular intervals of 14 hours. The geyser became inactive between 1979 and late 1993. It erupted on a fairly regular cycle of every four to six days in 1994 and 1995.
The last recorded eruption of Ledge before the most recent event on April 28, 2019 was on February 25, 2016.
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