When a large volcano erupts, as Mount Spurr appears close to doing about 80 miles from Anchorage, Alaska, it can release enormous volumes of ash. Fine ash can infiltrate the lungs of people and ...

When a large volcano erupts, as Mount Spurr appears close to doing about 80 miles from Anchorage, Alaska, it can release enormous volumes of ash. Fine ash can infiltrate the lungs of people and ...

A volcano in the central Philippines erupted early Tuesday morning, sending a plume of ash about 2.5 miles into the sky and forcing authorities to suspend school in four villages due to ashfall.