New research shows the blast triggered secondary gravity waves that rattled the upper atmosphere, where satellites orbit.

To better understand and predict the behavior of Mount Edgecumbe, scientists have installed seismometers around the volcano. These sensitive instruments can detect even the smallest earthquakes ...

Sunday marks 45 years since Mount St. Helens erupted in Washington state. The deadly eruption happened shortly after 8:30 a.m ...

"We put out around 650 temporary seismometers all throughout the Yellowstone ... Basically, the long-dormant Yellowstone volcano is at no immediate risk of eruption. "We're only seeing ...

"We put out around 650 temporary seismometers all throughout the Yellowstone ... Basically, the long-dormant Yellowstone volcano is at no immediate risk of eruption. "We're only seeing ...

The detection of energy signals from strong winter storms in the North Atlantic Ocean that travel through Earth's core could ...

Seismic wave measurements suggest the supervolcano beneath the popular national park is unlikely to erupt any time soon ...

But most of the gases beneath the volcano at Yellowstone are not trapped ... “In a sense, we’re causing our own earthquakes, and we record all that data on the seismometers,” Farrell said in the ...