The steam phase of Steamboat Geyser in 2014. Photo: US National Park Service

The world’s tallest geyser is erupting unpredictably in Yellowstone Park, and scientists can’t explain why

The Steamboat Geyser sits atop a 70km-wide supervolcano, but scientists say there is no evidence a major volcanic eruption is imminent

Topic |   Science

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The steam phase of Steamboat Geyser in 2014. Photo: US National Park Service
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