Caldera Chronicles

Ever think an earthquake in one place is the same as an earthquake in another? It turns out that the style of an earthquake varies depending on its...

Many would enjoy the adventure of a bicycle expedition to Yellowstone National Park.  But imagine doing it in 1896, before pavement, lightweight...

What were the major events have shaped the Earth and its environment, and when did these events takes place? When did the major volcanic events in...

The sediment record contained at the bottom of lakes has proven to be an excellent method to assess how climate has changed over the past thousands of...

The geyser cones of Yellowstone are made up of material called sinter—a form of silica precipitated from hot water. When looking at the sinter under a...

It was business as usual in 2021 at Yellowstone—earthquakes, ground deformation, geyser eruptions, and lots of field work! As is tradition, this first...

Yellowstone hot springs are renowned for their amazing colors, many of which are created by photosynthetic processes. The colors vary depending on...

Drilling is often suggested as a means of preventing Yellowstone from erupting. It seems like a reasonable idea, but the volcano doesn’t work that way...

Volcanism in the Yellowstone region has generated a lot of ash over the last several million years.  Rivers, including the ancestral Missouri River...

Yellowstone’s thermal waters are more than just hot—they also contain a variety of elements, some of which are potentially toxic!  Arsenic is an...

Seismic activity in central Idaho has been elevated for the past 20 months. These earthquakes are aftershocks of a M6.5 earthquake that occurred on...

Yellowstone is well-known as one of the largest volcanic systems in the world. Few people know, however, that the largest-known subaerial landslide on...

Many of Yellowstone’s hot springs, geysers, mud pots, and fumaroles look different depending on the season, year, or sometimes even the day one visits...

About 631,000 years ago, a massive eruption formed what today is known as Yellowstone Caldera. New deposits, discovered within the caldera, are...

In Yellowstone, deformation of the ground surface can be measured to fractions of an inch.  Specialized methods of processing GPS data make it...

Measuring the heat output of a hydrothermal area is not easy—Earth’s surface is often too noisy for accurate measurements to be made easily.  But the...

Selected hydrothermal features at Yellowstone National Park have data loggers that capture geyser eruption times. A systematic analysis of these data...

What will happen to Yellowstone once its rhyolite magma system shuts down? To understand the future, geologists look to the past—in this case, to...

Have you ever wanted to get your own visible and thermal infrared satellite images of Yellowstone?  They are relatively easy to find and download, all...

In August 2021, YVO scientists collected sediment cores from the floor of Yellowstone Lake. Analysis of the sediment composition, as well as the...