Alert! Mount Semeru Erupts Again Tonight (Thursday, 24 September 2026)
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Mount Semeru in East Java erupted again on Thursday (24/9/2026) at 21.50 WIB. Over the past week, Mount Semeru has erupted 9 times.
According to eruption information from the Centre for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the eruption visual was not observed. Mount Semeru's eruption was still ongoing when this report was published.
(Read: Visibility in 6 Priority Provinces for Wildfire Handling (9 September 2026))
Per MAGMA Indonesia volcanic activity reports, Mount Semeru activity status is set at Level III (Standby). Seismic monitoring on 24 September 2026 between 12.00-18.00 WIB recorded 33 eruption earthquakes with 15-22 mm amplitude and 58-134 second duration.
Additionally, 1 collapse earthquake (15 mm amplitude, 75 second duration) and 3 emission earthquakes (4-6 mm amplitude, 55-56 second duration) were detected.
PVMBG advises against all activities in the southeast sector along Besuk Kobokan within 13 km of the summit. Outside this radius, citizens must avoid activity within 500 m of river banks along Besuk Kobokan, as this area is at risk of pyroclastic surge expansion and lahar flows reaching up to 17 km from the summit.
During 2026, MAGMA Indonesia has recorded 4,770 volcanic eruptions across Indonesia. East Java's Mount Semeru recorded the highest activity with 1,846 eruptions.
(Read: Hotspot Count Update in 6 Priority Wildfire Handling Provinces (9 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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