Warning! Mount Semeru Erupted Again This Afternoon (Thursday, 10 September 2026)
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Mount Semeru in East Java erupted again on Thursday (10/9/2026) at 17:33 WIB. Over the past week, Mount Semeru has erupted 16 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 event was recorded on seismograph with maximum amplitude 25 mm and 110 seconds duration.
(Read: Indonesia Has The Most Active Volcanoes In The World)
Per MAGMA Indonesia volcanic activity report, Mount Semeru activity status is set at Level III (Alert). Seismic monitoring on 10 September 2026 between 06:00-12:00 WIB registered 27 eruption earthquakes with 10-23 mm amplitude and 57-153 second duration.
Additionally: 3 fall earthquakes (3-5 mm amplitude, 48-55 sec duration) and 4 emission earthquakes (3-6 mm amplitude, 47-64 sec duration) were detected.
PVMBG prohibits all activities in the southeast sector along Besuk Kobokan within 13 km of the summit. Outside this radius, no activity is permitted within 500 m of riverbanks along Besuk Kobokan, as this area faces risk of pyroclastic surge and lahar flows reaching up to 17 km from the peak.
During 2026, MAGMA Indonesia recorded 4,546 volcanic eruptions nationwide. Mount Semeru recorded the highest activity with 1,770 eruptions.
"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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