On the slopes of an Indonesian volcano, rivers of light appear to pour out of the dark, glowing an electric blue that looks more like a movie effect than geology. The spectacle is real, but the molten ...

JAKARTA, Indonesia — Indonesian authorities evacuated more than 900 people and were facilitating the safe return on Thursday of 170 climbers stranded after the eruption of its Semeru volcano, one of ...

Mount Semeru on the island of Java is one of Indonesia’s most active volcanoes. Its latest eruption forced hundreds to flee their homes. By Jin Yu Young and Muktita Suhartono Mount Semeru, one of ...