Warning! Mount Semeru Erupted Again Early This Morning (Friday, 15 May 2026)
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Mount Semeru in East Java erupted again on Friday (15/5/2026) at 01.00 WIB. Over the past week, Mount Semeru has erupted 40 times.
According to eruption data from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia app, the eruption was not visually observed. Mount Semeru's eruption was still ongoing at the time this report was published.
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Per MAGMA Indonesia volcanic activity reports, Mount Semeru activity status is set at Level III (Alert). Seismic monitoring on 15 May 2026 between 18.00-23.59 WIB recorded 11 eruption earthquakes with 12-22 mm amplitude and 67-115 second duration.
Additionally, 4 degassing earthquakes (4-8 mm amplitude, 34-55 second duration) and 1 harmonic tremor (11 mm amplitude, 43 second duration) were detected.
PVMBG prohibits all activities in the southeast sector along Besuk Kobokan within 13 km of the summit. Beyond this zone, the public must also avoid activity within 500 m of river banks along Besuk Kobokan, as this area is at risk of pyroclastic surge expansion and lahar flows reaching up to 17 km from the summit.
During 2026, MAGMA Indonesia has recorded 1,980 volcanic eruptions across Indonesia. Mount Semeru (East Java) recorded the highest activity with 1,014 eruptions.
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"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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