Alert! Mount Semeru Erupted Again This Morning (Wednesday, 3 June 2026)
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Mount Semeru in East Java erupted again on Wednesday (3/6/2026) at 06:37 WIB. Over the past week, Mount Semeru has erupted 21 times.
According to eruption data from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the eruption plume was not visually observed. Mount Semeru eruption was still ongoing at the time this report was published.
(Read: Number of Lightly Damaged Houses Due to Natural Disasters in Indonesia 2015-2024)
Per MAGMA Indonesia volcanic activity report, Mount Semeru activity status is set at Level III (Alert). Seismic monitoring on 3 June 2026 between 00:00–06:00 WIB recorded 18 eruption earthquakes with 22 mm amplitude and 109–143 second duration.
Additionally, 1 collapse earthquake (3 mm amplitude, 82 second duration) and 2 emission earthquakes (4–6 mm amplitude, 38–53 second duration) were detected.
PVMBG prohibits all activities in the southeast sector along Besuk Kobokan within 13 km of the summit. Outside this radius, public activities are also banned 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 peak.
During 2026, MAGMA Indonesia has logged 2,298 volcanic eruptions across Indonesia. Mount Semeru (East Java) recorded the highest activity with 1,154 eruptions.
(Read: Number of Injured Victims Due to Natural Disasters in Indonesia 2015-2024)
"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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