AndronETalksNews

AndronETalksNews

World’s largest acidic geyser wakes up in Yellowstone from six-year slumber

BBC News

By Max Matza

March 3, 2026

The world’s largest acidic geyser is putting on a show again, erupting for the first time in six years after a quiet hiatus, officials at Yellowstone National Park say.

The Echinus Geyser – located in the park’s famous Norris Geyser Basin – had been in slumber since 2020, and it’s unknown whether the eruptions will continue into the summer.

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