According to the Yellowstone Volcano Observatory, it’s probable that this new hydrothermal feature is connected to activity that began nearby in March 2003. Geologists discovered hydrothermal features on the other side of the lava flow, close to Nymph Lake, more than 20 years ago.

A new thermal vent spewing steam in the air at Yellowstone National Park is gaining attention, mainly because it’s visible from a road rather than any significant change in the park famous for its thousands of geysers,