What triggers geysers to go off is still not well understood. A new paper shows that one small earthquake likely triggered an eruption of the world's tallest active geyser, Steamboat.

Catherine Parker Old Faithful may be Yellowstone's most well-known geyser ... as well as the tallest active geyser, Steamboat Geyser, which shoots water 300 to 400 feet up in the air.

The 3.9 earthquake occurred in September of 2022, and its epicenter was around 7 miles from Steamboat, which is in the Norris Geyser Basin of Yellowstone National Park in Wyoming. “Somebody ran ...