Caldera Chronicles

Lidar data have just been released, for the first time, for Paradise Valley and the northern gateway corridor to Yellowstone National Park. These high...

Near the south boundary of Yellowstone National Park is a curious ash flow deposit of unknown origin. Geologists from Montana State University took on...

Grand Prismatic Spring is one of the most visited sites in Yellowstone National Park.  The feature has amazing story to tell about extreme lifeforms...

Italy is home to numerous volcanoes and a long history of eruptions that are recorded both in the geologic record and by human observers. Some of...

Geologist Ferdinand Hayden directed the first scientific exploration of Yellowstone in 1871, leading directly to the founding of the world’s first...

New age data for rhyolite lava flows erupted in Yellowstone caldera suggest that the eruptions occurred in tight clusters. These results change the...

Since 2015, Yellowstone caldera has been subsiding at a rate of about 2–3 cm (roughly 1 in) per year. But the deformation changes seasonally due to...

A long-told myth about Yellowstone is that indigenous people were “afraid” of the area owing to the geysers and thermal activity. But archeological...

Every heard of a thermal kame? If not, you’re hardly alone. It’s a rare landform that provides evidence of glaciers interacting with hydrothermal...

What causes outliers in GPS data? Could be snow, could be a bird, or could be damaged equipment. Recognizing these outliers is important to properly...

Thanks to a newly funded project from NASA’s Commercial SmallSat Data Scientific Analysis Program, and an agreement with commercial satellite...

Reporting of earthquakes at volcanoes around the world varies considerably in style. This is because the amount and importance of seismic activity...

Although it is a common assumption that animals cause numerous wounds and deaths in Yellowstone, hot springs actually account for more injuries and...

Geologic maps are a fundamental tool for earth scientists to assemble and communicate geologic information. Under the umbrella of geologic mapping are...

Scientists can determine the sources of hydrothermal fluids in park rivers by monitoring water chemistry. The result? A “budget” of which geyser...

A small lake near Norris Geyser Basin has seen some significant changes over the past few years, rising in level and changing color due to inputs of...

What can trees tell us about Steamboat Geyser’s history? Why do Steamboat’s seismic eruption signals vary seasonally? Get up to speed on two newly...

Data from a major deployment of seismometers in 2020 is revealing new insights into the characteristics of the magma chamber beneath Yellowstone...

Long before the boardwalks, hotels, and roads, Yellowstone stood on the edge of the American wilderness. Its discovery and exploration by Euro...

Based on geologic mapping and dating of minerals, we know that the Yellowstone caldera formed 631,000 years ago. But how did the caldera collapse...