This image provided by the National Park Service shows a boardwalk damaged by a hydrothermal explosion at Biscuit Basin in Yellowstone National Park, Wyo., on Wednesday, July 24, 2024. (Jacob W. Frank/National Park Service via AP)
In this photo released by the National Park Service, debris litter the damaged Biscuit Basin boardwalks after a hydrothermal explosion at Biscuit Basin in Yellowstone National Park, Wyo., Tuesday, July 23, 2024. (National Park Service via AP)
In this photo released by the National Park Service, park staff assess the damage to Biscuit Basin boardwalks after a hydrothermal explosion at Biscuit Basin in Yellowstone National Park, Wyo., Tuesday, July 23, 2024. (National Park Service via AP)
This photo released by the National Park Service shows a boardwalk damaged by a hydrothermal explosion at Biscuit Basin in Yellowstone National Park, Wyo., on Wednesday, July 24, 2024. (Jacob W. Frank/National Park Service via AP)
In this image released by the USGS agency, a hydrothermal event is seen in Biscuit Basin in Yellowstone National Park in 2009. Yellowstone officials say a similar explosion on Tuesday, July 23, 2024, sent tourists running for cover and destroyed a boardwalk. They say such events are relatively common. (USGS via AP)
In this photo released by the National Park Service, debris litter the damaged Biscuit Basin boardwalks after a hydrothermal explosion at Biscuit Basin in Yellowstone National Park, Wyo., Tuesday, July 23, 2024. (National Park Service via AP)
In this aerial photo released by the National Park Service, shows the damaged Biscuit Basin boardwalks after a hydrothermal explosion at Biscuit Basin in Yellowstone National Park, Wyo., Tuesday, July 23, 2024. (National Park Service via AP)
This images released by the National Park Service shows debris from a boardwalk, damaged by a hydrothermal explosion at Biscuit Basin, in Yellowstone National Park, Wyo., on Wednesday, July 24, 2024. (Jacob W. Frank/National Park Service via AP)