Mount Semeru Erupted Again This Afternoon (Wednesday, 17 June 2026)
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Mount Semeru in East Java erupted again on Wednesday (17/6/2026) at 12:54 WIB. Over the past week, Mount Semeru has erupted 27 times.
According to eruption information from the Centre for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the eruption visual was not observed. Mount Semeru's eruption was still ongoing when this report was published.
(Read: Distribution of Fatalities from Floods and Landslides in Aceh (9 December 2025))
Per MAGMA Indonesia volcanic activity reports, Mount Semeru activity status is set at Level III (Alert). Seismic monitoring on 17 June 2026 between 06:00-12:00 WIB recorded 15 eruption earthquakes with 10-22 mm amplitude and 64-169 second duration.
Additionally, 2 rockfall earthquakes (2-5 mm amplitude, 60-77 second duration) and 2 emission earthquakes (4-5 mm amplitude, 52-77 second duration) were detected.
PVMBG advises against all activities in the southeast sector along Besuk Kobokan, within 13 km of the summit. Outside this zone, residents must avoid activity within 500 meters of Besuk Kobokan river banks, as pyroclastic surges and lahars may reach up to 17 km from the peak.
During 2026, MAGMA Indonesia recorded 2,734 volcanic eruptions across Indonesia. East Java's Mount Semeru recorded the highest activity with 1,278 eruptions.
(Read: Jakarta Flood Location Count Increased (23 January 2026, 12:00 WIB))
"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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