Alert! Mount Semeru Erupted Again This Afternoon (Friday, 2 October 2026)
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Mount Semeru in East Java erupted again on Friday (2/10/2026) at 13:06 WIB. Over the past week, Mount Semeru has erupted 42 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. The eruption was recorded on seismograph with maximum amplitude 16 mm and 80 seconds duration.
(Read: Celios: Forest Fires May Cause Regional Tax Losses of IDR 269.86 Billion)
Per MAGMA Indonesia volcanic activity report, Mount Semeru activity status is set at Level III (Alert). Seismic monitoring on 2 October 2026 between 06:00-12:00 WIB recorded 24 eruption earthquakes with 10-22 mm amplitude and 69-191 seconds duration.
Additionally, 5 collapse earthquakes (4-20 mm amplitude, 48-77 sec duration) and 7 emission earthquakes (3-4 mm amplitude, 38-60 sec duration) were detected.
PVMBG prohibits all activities in the southeast sector along Besuk Kobokan within 13 km of the summit. Outside this zone, public must avoid activity within 500 meters of Besuk Kobokan river banks, as pyroclastic surges and lahar flows may reach up to 17 km from the peak.
During 2026, MAGMA Indonesia logged 4,901 volcanic eruptions across Indonesia. Mount Semeru (East Java) recorded the highest count at 1,908 eruptions.
(Read: Hotspot Update: 6 Priority Provinces for Forest Fire Management (21 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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