Mount Semeru Erupts Again Tonight (Monday, 7 September 2026)
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Mount Semeru in East Java erupted again on Monday (7/9/2026) at 20:35 WIB. Over the past week, Mount Semeru has erupted 4 times.
According to eruption data from the Centre for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the eruption visual was not observed. The event was recorded on seismographs with maximum 22 mm amplitude and 116 seconds duration.
(Read: 5 Companies Sanctioned by Ministry of Environment for Forest Fires: Affected Area Details)
Per MAGMA Indonesia volcanic activity reports, Mount Semeru remains at Activity Level III (Alert). Seismic monitoring on 7 September 2026 06:00-12:00 WIB recorded 27 eruption earthquakes (10-22 mm amplitude, 45-132 second duration).
Additionally, 2 rockfall earthquakes (6-8 mm amplitude, 69-92 second duration) and 2 gas emission earthquakes (4-7 mm amplitude, 55-57 second duration) were detected.
PVMBG prohibits all activities in the southeast sector along Besuk Kobokan within 13 km of the summit. Outside this zone, public activity is also banned within 500 m of Besuk Kobokan river banks, as pyroclastic surges and lahar flows may reach up to 17 km from the crater.
For 2026, MAGMA Indonesia has logged 4,490 volcanic eruptions nationwide. East Java's Mount Semeru recorded the highest count at 1,758 eruptions.
(Read: Forest Fire Extent Trends in Central Kalimantan Province Over the Last Decade)
"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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