Rare Geothermal Activity Draws Attention To Yellowstone's Upper Geyser Basin

A rare and surprising eruption of Ear Spring in the Upper Geyser Basin of Yellowstone National Park was a treat for visitors who witnessed it, but also signaled a change in the basin's geothermal plumbing that has prompted a closure for the time being of part of the basin.
- By NPT Staff - September 19th, 2018 5:33pm