Warning! Mount Semeru Erupts Again Tonight (Friday, 09 October 2026)
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Mount Semeru in East Java erupted again on Friday (9/10/2026) at 18:14 WIB. Over the past week, Mount Semeru has erupted 27 times.
According to eruption data from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the eruption visual was not observed. Mount Semeru eruption was still ongoing when this report was published.
(Read: Updated Hotspot Count in 6 Priority Provinces for Forest Fire Handling (09 September 2026))
Per MAGMA Indonesia volcanic activity report, Mount Semeru activity status is set at Level III (Alert). Seismic monitoring on 09 October 2026 between 12:00 - 18:00 WIB recorded 34 eruption earthquakes with 10-23 mm amplitude and 64-139 seconds duration.
Additionally, 1 collapse earthquake (2 mm amplitude, 48 seconds duration) and 8 emission earthquakes (3-7 mm amplitude, 41-58 seconds duration) were detected.
PVMBG prohibits all activities in the southeast sector along Besuk Kobokan within 13 km from the summit. Outside this zone, public activities are forbidden within 500 meters of the Besuk Kobokan river banks: this area is at risk of pyroclastic surges and lahars reaching up to 17 km from the peak.
During 2026, MAGMA Indonesia logged 5,010 volcanic eruptions across Indonesia. East Java's Mount Semeru recorded the highest activity with 1,946 eruptions.
"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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