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 ...

Standing at 3,676 meters (12,060 feet) above sea level, Semeru is one of Indonesia's most active volcanoes, with a history of eruptions, some of which have caused fatalities. Indonesia ...

YOGYAKARTA--Indonesia’s Mount Merapi erupted Sunday, spreading searing gas clouds and avalanches of lava down its slopes as other active volcanoes flared up across the country, forcing the ...