Two scientists share background and information about volcanoes, a natural phenomenon of the Earth, as the government of Iceland evacuates areas in the potential path of an eruption.

Volcanoes are rumbling as scientists monitor earthquakes at Washington's Mount Rainier and Alaska's Iliamna volcano.

Such events are nothing new in Iceland, an island nation of just 400,000 people that has numerous active volcanoes. But researchers funded by the Icelandic government believe that the rapid retreat of ...