Volcanic blast which sent tourists fleeing was most powerful in four years - Footage shared on social media shows huge clouds ...

Sicily’s University of Catania is the oldest university on the island of Sicily ... It sits to the south of Mount Etna, the tallest active volcano in Europe. It’s possible to take one of the walking ...

then a research associate professor of geology and geophysics and chief seismologist at the U.S. Geological Survey's Yellowstone Volcano Observatory, and researchers from the University of New ...