Mount Semeru on the island of Java is one of Indonesia’s most active volcanoes. Its latest eruption forced hundreds to flee ...

Volcanoes are now more closely monitored. We have a good chance now of determining when a volcano becomes restless,” says Don Swanson, a volcanologist reflecting on the lessons learned from the 1980 ...

Indonesian authorities say they are helping more than 170 climbers caught by Mount Semeru’s sudden eruption to return to ...

The alert level was maintained at its highest after Semeru erupted 10 times, emitting massive plumes of ash and sending lava ...