Alaska Volcano. Image via Openverse. The Yellowstone Caldera is a volcanic caldera and supervolcano located in Yellowstone National Park in the Western United States. The caldera measures ...

“The Yellowstone system is one that’s been stagnant for a long time.” The volcano’s largest eruption, which earned it the title of a supervolcano, occurred 2.1 million years ago.

Tourists and officials were startled by a hydrothermal explosion at Black Diamond Pool in July 2024. Geoscientists are ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Blaine McCleskey, research ...

Yellowstone visitors watched in horror as a bison fell into the Grand Prismatic Spring, struggling to escape the boiling water in a tragic wildlife event.

The Phlegraean Fields is a large volcanic caldera west of Naples, Italy. (CREDIT: CC BY-SA 4.0) “Yellowstone in many ways is a laboratory volcano,” said Poland.

If the Yellowstone supervolcano were to erupt — and there’s no indication that will happen any time soon — Billings residents could be up to their chins in ash.

While it was likely horrific to witness, it is something that happens in the park “from time to time,” Mike Poland, scientist-in-charge at the Yellowstone Volcano Observatory, told McClatchy ...