Well, since 2000, it has been erupting every 44 to 125 minutes.
It is a cone geyser and has erupted every 44 to 125 minutes since 2000.
I would love to visit a national park in the United States. There are 59 national parks choices for you then. Which parks are the most popular parks for tourist? I'm not sure but the oldest one, Yellowstone, was created in 1872. What is there to do at Yellowstone park? What activities are available? I don't know about the activities but the park's wildlife and geothermal features like Old Faithful are popular features. Old Faithful sounds interesting, could you tell me more about it?
It is a highly predictable geothermal feature, and has erupted every 44 to 125 minutes since 2000.