TEMPO.CO, Jakarta – Indonesia’s Geological Agency has maintained Mount Semeru’s volcanic activity at Level III (Alert) as of Friday, January 16, 2026, signaling continued high activity at the East Java volcano in Lumajang. The alert comes amid repeated pyroclastic flows from the peak. Acting Head of the Geological Agency, Lana Saria, reported that pyroclastic flows … Read more
TEMPO.CO, Jakarta – Mount Semeru in East Java has recorded 11 eruptions throughout the day, up until Sunday afternoon, May 25, 2025. The volcanic ash column from the eruptions was observed to reach up to 1,200 meters above the summit. Ghufron Alwi, an officer at the Semeru Volcano Observation Post (PGA), reported that the 1.2-kilometer-high eruption … Read more
Jakarta. A viral aerial video allegedly showing a marijuana plantation on the slopes of Mount Semeru in East Java has sparked public concern, but the government clarified on Tuesday that the footage is not recent and that authorities had already dismantled the illegal crops. The marijuana plants were found within the Bromo Tengger Semeru National … Read more
TEMPO.CO, Jakarta – East Java volcano, Mount Semeru, erupted on Tuesday night, December 31, 2024, at 20:24 Western Indonesia Time. “The eruption was not observed visually. When the report was made, the eruption was still ongoing,” said Mount Semeru Observation Post Officer Liswanto in his written report on Tuesday, December 31, 2024. According to the … Read more
TEMPO.CO, Jakarta – After a five-year closure, Mount Semeru in East Java has finally reopened to climbers. The decision to reopen the mountain, which stands at 3,676 meters above sea level (masl), comes following a period of closures due to various factors, including the COVID-19 pandemic and the volcanic eruptions that occurred on December 4, 2021, … Read more