Volcanic Rush

High-speed videos capture rocks flying at unheard-of rates

By Alexandra Witze, 10:48 AM April 5, 2012

The fiery fountains of erupting volcanoes seem tailor-made for the Discovery Channel. But scientists, too, are interested in capturing footage of these natural spectacles, especially for what it can reveal about how superheated gas and rock blast out at up to supersonic speeds.

New high-speed videos from Italy’s Mount Stromboli show that its continual eruptions can belch stuff out more than twice as fast as scientists had thought. This surprising finding is bolstered by laboratory experimen...

Source URL: https://www.sciencenews.org/article/volcanic-rush