The explosiveness of a volcanic eruption depends on how many gas bubbles form in the magma—and when. Until now, it was thought that gas bubbles were formed primarily when the ambient pressure dropped ...

That behavior underpins new work on a concealed trigger for volcanic explosions, which describes how subtle shifts in the internal structure of the magma column can prime a volcano for a sudden blast ...

Researchers at Diamond Light Source have used advanced imaging to look at microscopic crystals, called nanolites, to see what they can tell us about volcanic eruptions. Highly explosive eruptions ...

Dozens of Guatemalan soldiers put down their guns and picked up push brooms today to help sweep the runways of the country’s main international airport, which was shut for nearly 24 hours after the ...