This story appears in the April 2011 issue of National Geographic magazine. When? This is the question that has brought two of the world's leading volcano scientists to the center of Africa ...

This story appears in the July 2012 issue of National Geographic magazine. The scene: a tent on Mount Erebus, an active volcano on Ross ... it is too cold to hold a book. Thus the inmates ...

This story appears in the June 2017 issue of National Geographic ... books is on the other side of the Big Island. It was likely created during a 15th-century eruption of a different volcano ...

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This story appears in the August 2009 issue of National Geographic magazine ... "has been formerly one vast crater of a now extinct volcano." The lieutenant was right: Yellowstone is a volcano ...

This story appears in the May 2010 issue of National Geographic magazine ... before the top 1,300 feet of the volcano—more than three billion cubic yards of mud, ash, and melting snow ...

This story appears in the August 2018 issue of National Geographic magazine. Indonesia has 127 active volcanoes. Only the U.S. (168) and Russia (144) have more. Essential packing list: We landed ...

This story appears in the September 2007 issue of National ... Geographic magazine. When the first thunderous boom echoed across the plain of Campania, quickly followed by a blistering hail of ...