Alert! 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 10:50 WIB. Over the past week, Mount Semeru has erupted 12 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 seismographs with maximum amplitude 22 millimeters and duration of 109 seconds.
(Read: Only 12 Regions Met WHO Air Quality Standards 2024)
Per MAGMA Indonesia volcanic activity reports, Mount Semeru activity status is set at Level III (Alert). Seismic monitoring on 10 September 2026 between 00.00-06.00 WIB recorded 29 eruption earthquakes with amplitude 10-22 mm and duration 73-162 seconds.
Additionally, 11 fall earthquakes (amplitude 2-4 mm, duration 30-110 sec) and 2 emission earthquakes (amplitude 6-8 mm, duration 60-82 sec) were detected.
PVMBG prohibits all activities in the southeast sector along Besuk Kobokan within 13 km of the summit. Outside this radius, citizens must avoid activities within 500 m of Besuk Kobokan river banks, as pyroclastic surges and lahar flows may reach up to 17 km from the peak.
For the full year 2026, MAGMA Indonesia has logged 4,538 volcanic eruptions across Indonesia. Mount Semeru recorded the highest eruptions at 1,766 events.
(Read: Poor Air Quality In Major Indonesian Cities, Far Below 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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