A 17-year-old boy suffered "significant thermal burns" during a hike near Old Faithful, Yellowstone National Park officials ...

A teenage boy sustained thermal burns to his foot and ankle after hiking near Old Faithful in Yellowstone National Park Monday morning, according to Yellowstone ...

Old Faithful can vary in height from 100-180 feet with an average near 130-140 feet. This has been the historical range of its recorded height. Eruptions normally last between 1.5 to 5 minutes.

Old Faithful was first documented and named on this day in history, Sept. 18, 1870. The photos here show the geyser erupting in 1871. (W.H. Jackson/The New York Historical Society/Getty Images) ...

Old Faithful is losing steam. Yellowstone National Park’s landmark geyser has spewed scalding-hot groundwater every 90 to 94 minutes on average, about 17 times a day, since time immemorial.

How Old Faithful works Old Faithful earned its name for its regular eruptions, which average every 92 minutes. Just after an eruption, there's a 15-minute recharge period with low water levels.

By the way, Old Faithful’s water can be as hot as 204 degrees F, which freezes faster than cold water in cold temperatures, according to Science Alert.

In the 1950s, Old Faithful erupted roughly every 60 minutes. But during the time of Hurwitz’s study, there were no big earthquakes, only a pattern of low rain and snow.

The Old Faithful Geyser in Yellowstone National Park blows water approximately ever 90 minutes. The the mechanics behind this beautiful mystery have been revealed this week in a new study.