Caldera Chronicles

Interested in knowing more about Yellowstone geyser, seismic and deformation activity in 2020?  And the results of research conducted by the...

A small side road on the highway between Mammoth Hot Springs and Norris Junction leads to Sheepeater Cliffs, a spectacular example of columnar...

Yellowstone is dotted with historic places.  But did you know that the oldest building that is still standing, built 140 years ago, was constructed...

While geysers and hot springs are relatively easy to find in Yellowstone, what about the caldera, and the lava flows and the two massive resurgent...

Yes, some of Yellowstone’s thermal areas are cool—as in, no longer hot.  Cooling is part of the “life cycle” of a thermal area.  And just as it’s...

Volcanoes in Iceland, Italy, and Guatemala have put on displays that are captivating audiences worldwide. But did you know that the same sort of...

Steamboat Geyser has been wowing visitors to Yellowstone National Park since March 2018.  Seismic studies of the geyser and nearby Cistern Spring are...

Before the age of cheap computers, handheld GPS, and other innovations, geologic mapping was done with a compass, paper, and pencil.  An effort is...

What does Yellowstone National Park have in common with outer space? More than you might think. A future tourist on a space cruise to the outer...

Geologists look for big things in small packages.  In Yellowstone, information about some of the biggest volcanic eruptions are hidden in the smallest...