Yellowstone thermal spring erupts for 4th time in 60 years This May 15, 2018 file photo, shows Steamboat Geyser emitting a small jet of steam in Yellowstone National Park. (Rachel Leathe /Bozeman Daily Chronicle via AP/AP Photo/Julie Jacobson, File)
Yellowstone thermal spring erupts for 4th time in 60 years
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There is a a thermal spring. It is near Old Faithful. It is in Yellowstone National Park. It has erupted for the fourth time in the last 60 years. That's according to a park official.

Ear Spring is on Yellowstone's Geyser Hill. It went from being dormant on Saturday to spewing steam and water. The height was between between 20 and 30 feet high. It is a height not recorded since 1957. That's according to park spokesman Neal Herbert. It has since continued to erupt. It’s been at a near-constant height of about 2 feet, he said.

Ear Spring is named for its resemblance to the shape of a human ear. It is one of dozens of geysers, pools and hot springs in Yellowstone's Upper Geyser Basin. These are among the park's top attractions. It also features the popular Old Faithful. Ear Spring last erupted in 2004.

The eruption is among the new thermal activity seen over the last several days. These have happened on Geyser Hill. It is just across the Firehole River from Old Faithful.

The activity includes new erupting vents and surface fractures. It has led park officials to close a boardwalk. It is in the popular Upper Geyser Basin. This is to prevent people from being injured by scalding water. It could splash on the popular boardwalk trail.

Yellowstone's thermal basins sometimes undergo significant changes. These can happen in short amounts of time. But the new eruptions are not a sign of impending volcanic activity. That's according to Herbert.

The changes are continuing. They could lead to new or different closures in the basin, he said.

"It's still in flux," Herbert said. "There is still water flowing in new places. Some of the springs that had been dormant have been erupting nearly constantly."

Ear Spring isn't the first dormant geyser to come to life this year. There was activity in March. The world's largest active geyser began the first in a series of eruptions. This happened for the first time since 2014.

Steamboat geyser's eruptions can reach heights of 300 to 400 feet. Old Faithful's eruptions reach 130 feet on average.

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