Caldera Chronicles

During the Spring term in 2019, geology students from Montana State University participated in a reading group focused on understanding the geology of...

Here at YVO we receive a lot of questions related to Yellowstone supereruption "what ifs" and "whens", even though that is the least possible scenario...

The faults in Yellowstone National Park vary greatly in age and how they formed, and they can be divided into two groups: relatively young faults that...

The month of May marks the start of many field studies for scientists affiliated with the Yellowstone Volcano Observatory (YVO).

Imagine for a moment that you could turn back the clock some two-hundred years or so and embark on a journey from east to west across the North...

Much is known about volcanism occurring from Yellowstone within the past 2 million years, but many people are not aware that this landscape was also...

Toting their surveying instruments to the tops of mountains or across continents, ancient (20th century) geodesists might have dreamed of an easier...

Motion of a volcano resulting from pressure changes within its plumbing system is called deformation, and we can measure it with high-precision...

Yellowstone Volcano Observatory staff gathered in Bozeman, Montana to discuss how to better monitor changes in the thermal areas of Yellowstone...

Many first-time visitors to Yellowstone National Park have heard about a "supervolcano" but, expecting a Rainier-like volcanic peak, often wonder...

In high school physics, we are taught that gravity is a constant—9.8 meters per second squared is the gravitational acceleration on Earth, and it is...

Yellowstone's thermal areas are the surface expression of the deeper magmatic system, and they are always changing.  Recently, we have discovered...

We've heard many statements that Yellowstone is overdue -- that it has a major eruption every 600,000 years on average, and since the last eruption...

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

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

What does a magma chamber look like? At first thought, many of us would imagine a large cavern in the crust...

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

One of the most distinguished researchers and staunchest supporters of Yellowstone was Don White (1914-2002) of the U.S. Geological Survey (USGS). Don...

Yellowstone National Park has one of the highest concentrations of continental geothermal activity on Earth, and includes an extraordinary collection...

Idaho is home to several young volcanoes, including the Craters of the Moon, Wapi, Kings Bowl, North and South Robbers, Cerro Grande, Hells Half Acre...