The giant supervolcano that lies under Yellowstone National Park is cooling off in the west but staying hot in the northeast.

Large explosive eruptions occur in Yellowstone around once every 700,000 years, according to the U.S. Geological Survey.

In the depths of the Pacific Ocean, 470 kilometers off the Oregon coast, a drama is unfolding. Axial Seamount, one of the ...

New mapping of the magma lying beneath Yellowstone National Park sheds light on where volcanic activity is shifting, and the ...

Kilauea began erupting again on3, 2024. This is the eighth eruption of Kilauea, and the sixth within Kaluapele, since 2020.

Then we have some lava flows for some of the magma that flows out. Then there's not any gas or much magma left, so what ...

“Volcano Watch” is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory ...