Alert! Mount Semeru Erupted Again This Morning (Wednesday, 7 October 2026)
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Mount Semeru in East Java erupted again on Wednesday (7/10/2026) at 10:55 WIB. Over the past week, Mount Semeru has erupted 13 times.
According to eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the eruption was not visually observed. The event was recorded on seismograph with maximum amplitude 22 mm and 117 seconds duration.
(Read: 2 out of 6 Priority Wildfire Mitigation Provinces Recorded No Hotspots (22 September 2026))
Per MAGMA Indonesia volcanic activity reports, Mount Semeru status remains at Level III (Alert). Seismic monitoring on 7 October 2026 00:00-06:00 WIB recorded 30 eruption earthquakes with 11-22 mm amplitude and 97-132 second duration.
Additionally, 2 gas emission earthquakes (4-8 mm amplitude, 27-43 sec), plus 2 harmonic tremors (6-10 mm amplitude, 210-224 sec) were detected.
PVMBG warns: All activities are prohibited in the southeast sector along Besuk Kobokan within 13 km of the summit. Beyond this zone, no activity is allowed within 500 m of Besuk Kobokan river banks, as pyroclastic flows and lahars may reach up to 17 km from the crater.
For 2026, MAGMA Indonesia has logged 4,972 volcanic eruptions nationwide. Mount Semeru leads with 1,932 recorded eruptions this year.
(Read: 5 Company Licences Revoked Over Kalimantan Wildfires: Concession Area Details)
"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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