New research from the University of Copenhagen suggests that volcanic eruptions during the Ice Age may have triggered sudden ...

When massive volcanic eruptions occur, they inject millions of tons of sulfur dioxide into the stratosphere, where it forms sulfate aerosols that scatter incoming solar radiation and result in global ...

Alaska volcano observers say signs of unrest at Mount Spurr have declined to the point where “the chances of an eruption in the near-term are now considered extremely low.” Spurr, the closest active ...