Yellowstone Supervolcano Eruption Fears: Largest Geyser Begins To ERUPT Prison Planet.com Posted on March 20, 2018 Posted in Aggregated No Comments Tagged with Sci Tech Mac Slavo | The largest geyser – known as the Steamboat Geyser – located above the Yellowstone Supervolcano has begun to erupt underground. Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email