Volcanoes often look deceptively quiet until the moment they unleash towering plumes of ash and gas, yet the precise switch that turns a gentle rumble into a devastating blast has remained stubbornly ...

The “moderately explosive eruption” of the Kanlaon Volcano on Thursday afternoon may be followed by ash emissions or similar short-lived explosive eruptions that could pose risks within its ...

The likelihood of an Alaska volcano’s explosive eruption not far from the state’s largest city has increased, according to researchers. Officials with the Alaska Volcano Observatory reported Wednesday ...