One of the most deadly and dangerous volcano hazards isn’t lava. Mudflows called lahars can come without clear warning.

The power of volcanoes to change Earth’s climate may not be as ancient as previously thought. Throughout our planet’s history, the climate has fluctuated between “icehouse” and “greenhouse” conditions ...

Drawing a volcano is an exciting way to combine natural shapes with dramatic details. Volcanoes have a strong, recognizable form, with a wide base, sloping sides and a crater at the top. Even though ...

An active underwater volcano off the Oregon Coast that was predicted to erupt in 2025 is now expected to erupt mid-to-late 2026. The Axial Seamount volcano is located nearly a mile beneath the sea, ...

Mike Cassidy receives funding from the UK's Natural Research Research Council. He is the Co-founder and Chair of the Global Volcano Risk Alliance charity. The next global volcanic disaster is more ...

A long-quiet volcano in Ethiopia spewed ash nine miles into the sky on Sunday, marking the first known major eruption from this volcano for more than 12,000 years. Under-studied and situated in ...

The explosiveness of a volcanic eruption depends on how many gas bubbles form in the magma—and when. Until now, it was thought that gas bubbles were formed primarily when the ambient pressure dropped ...

Add Yahoo as a preferred source to see more of our stories on Google. When you think of the United States, images of sprawling cities and vast landscapes might come to mind, but not the hidden and ...

Here’s what you’ll learn when you read this story: Taftan, a 13,000-foot-tall stratovolcano in southeastern Iran, is showing signs of life with a rapid uplifting of ground near the summit over the ...

PORTLAND Ore. (KPTV) - The Axial Seamount is the most active volcano in the Pacific Northwest, sitting 300 miles off the coast of Oregon and nearly a mile underwater in the Pacific Ocean, along the ...

A volcano on Russia’s far eastern Kamchatka Peninsula erupted overnight into Sunday for what scientists said is the first time in hundreds of years, days after a massive 8.8-magnitude earthquake. The ...

A recent earthquake swarm at Mount Rainier in Washington state, along with increased volcanic activity in Alaska, Oregon, and Hawaii, has captured the news media's attention and sparked questions ...