Alert! Mount Semeru Erupted Again This Afternoon (Sunday, 13 September 2026)
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Mount Semeru in East Java erupted again on Sunday (13/9/2026) at 17:03 WIB. Over the past week, Mount Semeru has erupted 49 times.
According to eruption data from the Centre for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia app, the eruption was not visually observed. It was recorded on seismographs with maximum amplitude 16 mm and duration 202 seconds.
(Read: Number of Hotspots in 6 Priority Provinces for Forest Fire Handling (7 September 2026))
Per MAGMA Indonesia volcanic activity reports, Mount Semeru activity status is Level III (Alert). Seismic monitoring on 13 September 2026 06.00-12.00 WIB recorded 28 eruption earthquakes with amplitude 11-24 mm and duration 75-184 seconds.
Additionally: 4 fall earthquakes (1-6 mm, 37-77 sec), 3 emission earthquakes (5-7 mm, 58-67 sec).
PVMBG prohibits all activities in the southeast sector along Besuk Kobokan within 13 km of the summit. Outside this zone, avoid activity within 500 m of river banks along Besuk Kobokan, due to pyroclastic surge and lahar risks up to 17 km from the peak.
During 2026, MAGMA Indonesia recorded 4,615 volcanic eruptions nationwide. Mount Semeru recorded the highest count at 1,803 eruptions.
(Read: Hotspot Update for 6 Priority Forest Fire Handling Provinces (8 September 2026))
"Disclosure: This is an AI-generated translation of the original article. We strive for accuracy, but please note that automated translations may contain errors or slight inconsistencies."
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