Mount Semeru Erupted Again This Afternoon (Sunday, 17 May 2026)
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Mount Semeru in East Java erupted again on Sunday (17/5/2026) at 11.27 WIB. Over the past week, Mount Semeru has erupted 52 times.
According to eruption data from the Center 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 120 seconds.
(Read: High Number of Forest Fires in Concession Areas, Especially Palm Oil Concessions)
Per MAGMA Indonesia volcano activity reports, Mount Semeru status is set at Level III (Alert). Seismic monitoring on 17 May 2026 00.00-06.00 WIB recorded 19 eruption earthquakes with amplitude 10-22 mm and duration 85-189 seconds.
Additionally, 3 emission earthquakes (amplitude 3-4 mm, duration 65-80 seconds) and 1 harmonic tremor (4 mm amplitude, 328 seconds duration) were detected.
PVMBG prohibits all activities in the southeast sector along Besuk Kobokan within 13 km of the summit. Beyond this range, residents must avoid activities within 500 m of river banks along Besuk Kobokan due to risks from pyroclastic surges and lahar flows reaching up to 17 km from the summit.
During 2026, MAGMA Indonesia has logged 2,016 volcanic eruptions across Indonesia. East Java's Mount Semeru recorded the most eruptions at 1,026 events.
(Read: Estimated Forest Fire Area in East Kalimantan up to June 2025)
"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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