Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from James Mauch, geologist with the ...

A series of “hidden” geological hazards has been uncovered in the northern reaches of Yellowstone National Park, including active faults that could pose earthquake threats to communities in the area.

Add Yahoo as a preferred source to see more of our stories on Google. he Mount Jackson Rhyolite Series vitrophyre at Gibbon River This photo shows the exposure of the Mount Jackson Rhyolite Series ...

Beneath the rolling hills and vineyards of Tuscany, a team of geophysicists has mapped a reservoir of molten and partially ...

Forged from fire and ice, formed by floods, volcanoes, asteroids and earthquakes, our planet tells a dynamic geological story. What are mega-tsunamis? What happens when you have millions of years of ...

Back in the 1960s and 70s, a group of United States Geological Survey mappers set out to determine what rocks made up the Yellowstone Volcanic Field. Identifying the rocks that make up a region is not ...

Longtime Yellowstone National Park seismic and geologic researcher Robert B. Smith will speak at the next Draper Natural History Museum Lunchtime Expedition lecture on July 11. Smith, distinguished ...

The breathtaking beauty of Yellowstone National Park and its stunning hydrothermal features may have you exclaim: "Hold on to your hats!" The U.S. Geological Survey asks you to take that literally.