Yellowstone Geyser Erupts Three Times in Last Six Weeks after Years of Inactivity The world’s largest active geyser, Steamboat in Yellowstone National Park, which can spew streams of boiling water over 300 feet into the air, has erupted three times in the last six weeks after years of inactivity, reports Smithsonian. Steamboat’s eruptions are super erratic, and no one can predict when it’s going to be active. But three and a half years […] Steven Agar | May 2, 2018 0 Comments