A hydrothermal explosion sent visitors at Yellowstone National Park running ... However, the Biscuit Basin area near Sapphire ...

The deep Sapphire Pool about 100 yards (91 meters) away retained its usual blue hues. Park geologists were investigating what specifically happened in this case.

In the video below, John Sherer gives an update on the status of the Biscuit Basin thermal area of Yellowstone National Park, which experienced a small hydrothermal explosion on July 23, 2024. While ...