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

A new detection method called “Jerk” could dramatically improve how scientists forecast volcanic eruptions. By using a single broadband seismometer, the system can detect extremely subtle ground ...

An underwater volcano off the Oregon coast could erupt late this year, scientists say. The volcano, known as Axial Seamount, is more than 4,900 feet beneath the Pacific Ocean and 300 miles off the ...

A volcano near Alaska's largest city is showing new signs of unrest, with experts saying the likelihood of an eruption at Mount Spurr in the next few weeks or months has increased.

LEGAZPI CITY — Bulusan Volcano — one of the active volcanoes in the Philippines — is showing signs of impending steam-driven ...

Volcanic crater lakes offer vital early warnings of eruptions. Scientists monitor subtle shifts in lake temperature, gas composition, and water chemistry. These changes reflect rising magma deep ...

A volcano on Atka Island in the Aleutians has been showing increasing signs of unrest over the past two weeks, and scientists say the uptick in activity is significant enough to warrant a closer watch ...

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 ...

Environmental scientist Marc-Antoine Longpré with City University of New York is suggesting in a Perspective piece published in the journal Science that lessons can be learned from the unexpected ...

When you think of the United States, images of sprawling cities and vast landscapes might come to mind, but not the hidden and ever-present geological threat: volcanoes. While you might associate ...