Alert! Mount Semeru Erupted Again Early This Morning (Saturday, 20 June 2026)
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Mount Semeru in East Java erupted again on Saturday (20/6/2026) at 03:01 WIB. Over the past week, Mount Semeru has erupted 51 times.
According to eruption data from the Centre for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the eruption was not visually observed. It was recorded on seismographs with maximum amplitude 22 mm and duration 230 seconds.
(Read: Trend of Volcano Eruptions In Recent Years)
Per MAGMA Indonesia volcano activity reports, Mount Semeru status remains at Level III (Alert). Seismic monitoring on 20 June 2026 18:00–23:59 WIB recorded 16 eruption earthquakes (amplitude 10–22 mm, duration 87–190 seconds), 4 rockfall earthquakes (1–15 mm, 51–128 seconds), and 4 emission earthquakes (2–4 mm, 47–132 seconds).
PVMBG prohibits all activities in the southeast sector along Besuk Kobokan within 13 km of the summit. Outside this zone, no activities are allowed within 500 m of Besuk Kobokan riverbanks, as pyroclastic flows and lahars may reach up to 17 km from the summit.
For 2026 up to this date, MAGMA Indonesia logged 2,816 volcanic eruptions nationwide; Mount Semeru recorded the highest count at 1,302 eruptions.
(Read: Indonesia Has The Most Active Volcanoes In The World)
"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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