Alert! Mount Semeru Erupted Again This Afternoon (Wednesday, 6 May 2026)
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Mount Semeru in East Java erupted again on Wednesday (6/5/2026) at 12:20 WIB. Over the past week, Mount Semeru has erupted 28 times.
Based on eruption data from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia app, observed ash column height was recorded as None meters above the summit, or None meters above sea level.
Eruption visuals were unobserved. Mount Semeru's eruption was still ongoing when this report was published.
(Read: Bangladesh Has World's Worst Air Quality, How About Indonesia?)
According to MAGMA Indonesia volcanic activity reports, Mount Semeru remains at Activity Level III (Alert). Seismic monitoring on 6 May 2026 06:00-12:00 WIB recorded 18 eruption earthquakes with amplitude 10-22 mm, duration 65-132 seconds.
Additionally, 2 rockfall earthquakes (2 mm amplitude, 46-56 sec duration) and 5 emission earthquakes (3-8 mm amplitude, 36-56 sec duration) were detected.
PVMBG prohibits all activity in the southeast sector along Besuk Kobokan within 13 km of the summit. Outside this zone, residents must avoid activity within 500m of Besuk Kobokan river banks, as pyroclastic surges and lahars may reach up to 17 km from the peak.
For 2026 to date, MAGMA Indonesia has logged 1,821 volcanic eruptions nationwide. East Java's Mount Semeru accounts for the highest count at 940 eruptions.
(Read: Poor Air Quality In Major Indonesian Cities, Far From WHO Standards)
"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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