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About 290 miles off the coast of Cannon Beach, Oregon, lies an underwater volcano called Axial Volcano. Axial erupts about once every ten years. Twice in the past year, news outlets have reported that ...

Visual observations have been a backbone in studies of volcanoes, from 2,000 years ago to now. They remain fundamental to understanding how volcanoes work, and technological advancements, such as ...

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

What appears to be a single volcanic eruption is often the result of complex processes operating deep beneath the surface, where magma moves, evolves, and changes over long periods of time. To fully ...

Think of a volcano as a soda can. Shake the can, and gas and pressure build up inside. Open the top and bam! — an explosion occurs. Volcanoes work much the same way. The heat deep inside Earth is so ...