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Steamboat Geyser

earth science Maturity 11-13 Next article →

Steamboat Geyser is the tallest active geyser on Earth.

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It lives in the Norris Geyser Basin in Yellowstone National Park. This geyser has two vents, or openings. The north vent makes the tallest water columns. The south vent makes shorter ones.

Steamboat does not follow a set schedule. It might erupt in three days. It might wait fifty years. In 1964, it set a record with 29 eruptions in one year. Since 2018, it has been very active. In 2019 and 2020, it had 48 eruptions each year. This tied the record for the most eruptions in a single year. One eruption in 2019 reached 403 feet in height.

Major eruptions last from 3 to 40 minutes. Some have lasted over an hour. After the water stops, the geyser lets out steam. This steam can last for 48 hours. Sometimes, water returns to the geyser during this time. This can cause it to jet water again. Nearby, Cistern Spring will drain after a big eruption. It refills within a few days.

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