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The Bromo Tengger Semeru National Park Great Hall (BB TNBTS) has officially closed access to climbing Mount Semeru from August 7-18, 2026, to respect the Karo Holiday celebration of the indigenous Tengger community in Ranupani Village.
Mount Semeru shows increased volcanic activity once again by launching incandescent lava up to 1.3 kilometers toward Besuk Kobokan; residents are urged to remain vigilant.
Mount Semeru unleashed pyroclastic flows extending 4.5 km this morning. The volcano's status remains at Level III (Alert), and the summit hiking trail remains completely closed.
Mount Semeru was observed undergoing three eruptions on Thursday morning, with the volcanic ash column reaching a maximum height of 1,000 meters above the peak.
Mount Semeru has erupted again, launching pyroclastic flows up to 4 km and an ash column 1,500 meters high. The volcano's alert status remains at Level 3 (Alert).
BB TNBTS has officially closed Mount Semeru hiking trails from August 7–18, 2026, to honor the Karo Day celebrations by the indigenous Tengger community.
The Bromo Tengger Semeru National Park Authority (TNBTS) has officially closed Mount Semeru hiking trails from August 7–18, 2026, to respect the performance of the Yadnya Karo traditional ritual by the Tengger community in Ranupani Village.
Thousands of Hindus gather at Pura Mandara Giri Semeru Agung to celebrate Piodalan, a spiritual tradition that strengthens tolerance and boosts the local economy in Lumajang.
Mount Semeru reportedly erupted four times on Wednesday (1/7/2026), with the highest plume reaching 1 kilometer. Lumajang BPBD continues to urge the public to maintain a safe distance.
