US EditionAnother Hole Has Formed at Yellowstone National Park, Geologists Say
PARK COUNTY, WYOMING, JUL 17 – The new 13-foot thermal pool formed from subtle hydrothermal explosions between December 2024 and February 2025, with water temperatures around 109°F, USGS reported.
- By April 10, 2025, geologists at Yellowstone’s Norris Geyser Basin discovered a newly formed thermal spring featuring pale blue water and measuring about 13 feet in diameter.
- The pool appears to have gradually formed over several mild hydrothermal explosions occurring from late December 2024 through early February 2025, rather than resulting from one large event.
- In 2023, experts set up new monitoring equipment that recorded faint acoustic signals on December 25, 2024, at Norris Geyser Basin, occurring without the strong seismic activity typically linked to major hydrothermal explosions, suggesting subtle underground thermal events.
- The pool’s water temperature measures about 109°F, and nearby expelled rocks and silica mud suggest steam-driven underground pressure changes created the feature.
- This discovery confirms Norris Geyser Basin’s ongoing dynamic hydrothermal activity and shows even well-studied areas can produce unexpected new features.
38 Articles
38 Articles
A Mysterious Blue Pool Just Appeared in Yellowstone National Park
Yellowstone National Park is home to a huge collection of bubbling geologic cauldrons, one of which boiled a bison alive in front of tourists earlier this month. Geologists figured they had every hot spring mapped out, only for a brand-new one to suddenly appear out of nowhere. This past April, geologists stumbled on a shimmering 13-foot-wide blue thermal pool in the park’s Norris Geyser Basin. Weird. It wasn’t there a few months earlier. Discov…
National Parks Attendance Is Higher Than Ever—Here's What to Pack for Your Next Visit
These 15 essentials ensure a smooth, safe trip to the parks. Travel + LeisureIf you plan on visiting one of America’s national parks this year, you’re not alone. According to the National Park Service, 2025 is on track to set new record highs for park attendance, with Yellowstone National Park seeing over 560,000 park guests this past May alone. As someone who has explored more than 50 national park sites, from the sun-baked chasms of Grand Cany…
MyCentralOregon.com
Another hole has formed at Yellowstone National Park, geologists say
Photo by William Campbell/Getty Images (WYOMING) — More geological changes are occurring at Yellowstone National Park, as another hole forms in one of the park’s basins. The hole is a blue water spring, discovered by geologists in April as they conducted routine maintenance of temperature logging stations at Norris Geyser Basin, according to the U.S. Geological Survey. The pool, located in the Porcelain Basin sub-basin west of a patch of vegetat…
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