Add Yahoo as a preferred source to see more of our stories on Google. Underwater volcano Axial Seamount. (National Science Foundation) An underwater volcano off the coast of Oregon that was forecast ...

When volcanoes are preparing to erupt, scientists rely on typical signs to warn people living nearby: deformation of the ground and earthquakes, caused by underground chambers filling up with magma ...

Add Yahoo as a preferred source to see more of our stories on Google. A miles-wide volcano off Oregon’s coast could erupt “soon” say scientists who’ve been tracking it for decades. The Axial Seamount ...

Scientists have discovered 73 previously unknown volcanoes hidden across the ocean floors.

A volcano near Alaska's most populous city is showing signs it could be headed toward an eruption, officials said. Mount Spurr, which sits about 75 miles west of Anchorage, has seen "volcanic unrest" ...

For more than 100,000 years, a Greek volcano lay silent. But deep underground, it was still growing. Tiny zircon crystals show magma was quietly brewing between eruptions, researchers report April 22 ...