Each mineral in a volcanic deposit is like a microscopic thermometer that records magma chamber temperature over time.

In February 2021, Alaska's Mount Veniaminof erupted, spewing clouds of ash and toxic gas into the atmosphere. Despite this, there were no obvious warning signs prior to the event itself, and the ...

Hundreds of miles off the coast of Oregon, Deb Kelley watched a pod of dolphins swim past the research vessel Atlantis as the sun set on the Pacific Ocean. But beneath the calm seas lurked a behemoth: ...

The Axial Seamount has been dubbed the “most active submarine volcano” in the region Craig Tuttle/Design Pics Editorial/Universal Images Group via Getty The Axial Seamount, an underwater volcano off ...

An underwater volcano off the coast of Oregon that was forecast to erupt sometime this year doesn’t look imminent, according to volcanologists who are closely monitoring it. The Axial Seamount is ...

Here’s what to know about Kilauea’s latest eruption: ...

For a moment, it seemed like a blast from the past: a plume over Mount St. Helens on Tuesday looked like the volcano might be ...

Residents of the Pacific Northwest often cast a wary eye toward Mount St. Helens, but airborne ash this week isn’t a sign of ...