Scientists monitoring Alaska’s Mount Spurr said seismic activity continues to rise, indicating that the volcano is moving toward an eruption. The major risk of a Mount Spurr eruption is ashfall, ...

Recent weeks have seen a noticeable uptick in volcanic activity across America, raising eyebrows...and a few heart rates. From underwater rumbles off the Oregon coast to lava flows in Hawaii and ...

In the 1780s, the volcano rumbled to life with such force that it sent high-speed avalanches of hot rock, gas and ash down its slopes. Those flows quickly melted the snow and ice and mixed with the ...

A volcano eruption near Oregon is brewing — but don't panic about Axial Seamount. The undersea volcano has been attracting attention for months as scientists prepare for an eruption they expect ...

Mount Shasta, a steep-sided Cascade Range stratovolcano in Northern California, looms above Little Glass Mountain, a thick obsidian flow erupted from the Medicine Lake shield volcano about 1,000 years ...

Now the U.S. Geological Survey’s Hawaiian Volcano Observatory and other scientists have published the first detailed summary of this paroxysm. Now the U.S. Geological Survey’s Hawaiian Volcano ...

A dormant volcano in Ethiopia erupted after 10,000 years of silence. This event shows how the world's little-known volcanoes pose the greatest threat.

If the theory is proven correct, the consequences could be enormous, spelling a much more risky, explosive future.