Mount Semeru Erupts Again Tonight (Friday, 9 October 2026)
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Mount Semeru in East Java erupted again on Friday (9/10/2026) at 20.23 WIB. Over the past week, Mount Semeru has erupted 28 times.
According to eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the eruption visual was not observed. Mount Semeru eruption was ongoing when this report was published.
(Read: Air Quality in Indonesia Slightly Improved in 2021)
Per MAGMA Indonesia volcanic activity report, Mount Semeru activity status is set at Level III (Alert). Seismic monitoring on 9 October 2026 between 12.00-18.00 WIB recorded 34 eruption earthquakes with 10-23 mm amplitude and 64-139 second duration.
Additionally: 1 collapse earthquake (2 mm amplitude, 48 seconds), 8 emission earthquakes (3-7 mm amplitude, 41-58 seconds).
PVMBG prohibits all activities in the southeast sector along Besuk Kobokan within 13 km of the summit. Outside this zone, public activity is forbidden within 500 m of riverbanks along Besuk Kobokan, as pyroclastic surge and lahar may reach up to 17 km from the peak.
During 2026, MAGMA Indonesia registered 5,019 volcanic eruptions across Indonesia. East Java's Mount Semeru recorded the highest count with 1,947 eruptions.
(Read: Bangladesh Has World's Worst Air Quality, How About Indonesia?)
"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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