News

There are over 10,000 thermal features scattered throughout Yellowstone National Park, and many are in remote locations. Attempting to make a more...

Rockfalls continue to change the shape of Pu‘u ‘Ō‘ō crater

Sulfur deposits forming in the new Halema‘uma‘u crater

The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) recorded a magnitude-5.5 earthquake located beneath Kīlauea Volcano's south flank on...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's...

Kīlauea summit

What does a magma chamber look like? At first thought, many of us would imagine a large cavern in the crust filled with molten rock. While this has...

Volcano Watch: How fast will this flow cool?

It has been well documented that the interaction of ocean waves and the seabed causes seismic shaking that is recorded by seismometers around the...

Volcano Watch: A new focus on a different volcanic gas