A 12,000-foot volcanic ash cloud from Mount St Helens led to urgent aviation warnings in Washington. Winds, not an eruption, ...

Indonesia’s Anak Krakatau volcano erupted early Sunday, prompting the cancellation of all flights at Jakarta’s Soekarno-Hatta International Airport as volcanic ash drifted across parts of western ...

Throughout July and August, various eruptions meant flights were temporarily grounded at Catania airport, which lies in the shadow of the volcano. Now, a volcanic ash cloud has disrupted air traffic ...

A new eruption of Mount Etna, located on the Italian island of Sicily (south), has forced the suspension of all operations at the airport of the nearby city ...

An eruption cloud is a transient, three-dimensional mass of gas, ash, and entrained ambient air generated above a volcanic vent during explosive activity, characterized by vigorous convective ascent ...