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Writer's pictureJeremy Crawford

Hydothermal Explosion Temporarily Closes Biscuit Basin In Yellowstone National Park

Press release from Yellowstone National Park:

(Heads Up!) Biscuit Basin in Yellowstone National Park temporarily closed due to hydrothermal explosion



- On Tuesday, July 23, at about 10:19 a.m., a localized hydrothermal explosion occurred near Sapphire Pool in Biscuit Basin, located just north of Old Faithful.


- Biscuit Basin, including the parking lot and boardwalks, are temporarily closed for safety reasons. The Grand Loop Road remains open.


- No injuries were reported, and the extent of damage is unknown at this time.


- Park staff and staff from USGS will monitor conditions and reopen the area once deemed safe.



- No other monitoring data show changes in the Yellowstone region. Today’s explosion does not reflect a change in the volcanic system, which remains at normal background levels of activity.


- This is an evolving incident, and additional details will be shared as more facts are known.

Full video below

Park staff assess the damage to Biscuit Basin boardwalks after hydrothermal explosion P.C. Yellowstone Park Services


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