Distant Volcanic Roars Reveal Eruption Hazards

The roar of a volcano erupting on a remote Alaska island reveals important details about the blast, such as its size and location, a new study reports. Armed with this new information, scientists in Alaska are listening to volcanoes to better pinpoint eruption hazards. "Sound waves are very good at telling you about how, when and where a volcano is erupting," said lead study author David Fee, a research assistant professor at the Alaska Volcano Observatory and Wilson Alaska Technical Center in F