Mount Semeru Erupted Again This Morning (Thursday, 10 September 2026)
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Mount Semeru in East Java erupted again on Thursday (10/9/2026) at 07:56 WIB. Over the past week, Mount Semeru has erupted 11 times.
According to eruption data from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the eruption was not visually observed. It was recorded on seismographs with a maximum amplitude of 22 millimeters and duration of 110 seconds.
(Read: Not Jakarta: This is the Region With the Worst Air Quality in Indonesia (Wednesday, 7 June 2023))
Per MAGMA Indonesia volcanic activity reports, Mount Semeru remains at Activity Level III (Alert). Seismic monitoring between 00:00–06:00 WIB on 10 September 2026 recorded 29 eruption earthquakes with 10–22 mm amplitude and 73–162 second duration.
Additionally, 11 rockfall earthquakes (2–4 mm amplitude, 30–110 seconds), and 2 gas emission earthquakes (6–8 mm amplitude, 60–82 seconds) were detected.
PVMBG prohibits all activities in the southeast sector along Besuk Kobokan up to 13 km from the summit. Outside this zone, public activity is banned within 500 meters of riverbanks along Besuk Kobokan, as pyroclastic surges and lahars may reach up to 17 km from the peak.
During 2026, MAGMA Indonesia documented 4,531 volcanic eruptions across Indonesia. Mount Semeru recorded the highest count with 1,765 eruptions.
(Read: Most Indonesians Obtain Air Quality Information From Social Media)
"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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