Yellowstone National Park is a land ... In the meantime, a previously undetected 25-mile-wide swelling began outside the caldera, near Norris Basin, surrounded by smaller swellings one to three ...

The largest rhyolitic storage zone lies under the northeast part of Yellowstone Caldera, with a volume comparable to the smallest past caldera-forming eruptions (approximately 400 cubic kilometers).

Yellowstone volcanism has produced some of the youngest rocks in North America. This same region also features some of the ...

One of the most closely studied and potentially dangerous supervolcanoes today is located in the United States: the Yellowstone Caldera in Wyoming. Although it lies beneath the serene and scenic ...

A group of US Geological Survey (USGS) geologists have discovered signs of rhyolitic volcanism in the northeast-shifting Yellowstone caldera. The Yellowstone Caldera, a volcanic caldera and ...

The last major explosion occurred around 631,000 years ago, creating a massive crater known as the Yellowstone Caldera. Many curious onlookers have wondered whether—and when—Yellowstone might ...

Understanding the earthquake history of a region is key to estimating seismic hazard. To help with this task, Geologists look for clues about prehistoric earthquakes at the bottom of lakes in the ...