While the chance for an eruption is extremely low, the supervolcano is still likely to blame. A 2025 study from the United ...

Valentine Geyser in the Norris Geyser Basin in Yellowstone National Park unexpectedly sprang to life again with 13 documented ...

Imagine if a single volcanic eruption could bring the world to a halt! :volcano: From Italy's active Campi Flegrei to the ...

Yellowstone National Park sits atop one of the most studied volcanic systems on Earth, and the question of what a full-scale ...

Great Falls was rattled by a small earthquake on Thursday, February 12, 2026 - the fourth one in less than two weeks.

Seismologist says recent cluster of three earthquakes appears normal for Montana, with no indication of larger events coming ...

A gigantic bulge in the north rim of the Yellowstone caldera is the latest sign of volcanic activity in the national park. Geologists call this type of bulge “volcanic uplift.” It’s often caused by ...

With some luck, specialized equipment, a supervolcano and a narrow hole 30 stories deep, researchers demonstrated that ...

Volcanic eruptions are significant geologic hazards. Underwater volcanoes are challenging to study, yet they play an integral ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week’s contribution is from Michael Poland, geophysicist with the ...

In honor of Valentine’s Day, let’s talk about a geyser in Norris Geyser Basin that came back to life in August 2025 after a 20-year hiatus – Valentine Geyser.