The service closed the area, a few miles from the Old Faithful geyser. A US Geological Survey photograph shows a huge grey area of debris thrown out by the eruption. US Geological Survey The ...

Old Faithful erupts more frequently than any of the other big geysers, although it is not the largest or most regular geyser in the park. Its average interval between eruptions is about 76 minutes ...

Yellowstone is well known for its "Old Faithful" geyser and its stunning wildlife ... since the last time there was a major volcanic eruption. The last one was about 174,000 years ago and it ...

After enjoying Old Faithful Erupt, head to Geyser Hill, where you will run into several springs, including Blue Star Spring, ...

Yellowstone National Park is best known for its Old Faithful geyser and its stunning wildlife ... of thousands of years since a major volcanic eruption. The last one was about 174,000 years ...

Some, like the famous Old Faithful, erupt like clockwork and ... While far less common than geyser eruptions, hydrothermal explosions happen often enough in Yellowstone to be studied -- and ...

U.S. News Insider Tip: Escape the crowds directly in front of Old Faithful and enjoy the geyser's eruption from the second-floor outdoor balcony of the Old Faithful Inn, another national treasure.

So, after seeing Old Faithful erupt, be sure to hike around to discover the more than 150 hydrothermal features throughout this area. It's important to know that Upper Geyser Basin is pretty big ...

Visit Yellowstone National Park in summer, and you’ll be, literally, one in a million. Stop by in winter to see Old Faithful ...