Mount Semeru Erupts Again This Morning (Wednesday, 3 June 2026)
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Mount Semeru in East Java erupted again on Wednesday (3/6/2026) at 08.29 WIB. Over the past week, Mount Semeru has erupted 24 times.
According to eruption data from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the observed ash column reached 800 meters above the peak, or 4476 meters above sea level.
The ash column was observed white to grey with moderate intensity, drifting southward. Mount Semeru eruption was still ongoing at the time this report was published.
(Read: Hundreds Of Natural Disasters Recorded Up To Early April 2024, Floods Most Common)
Per MAGMA Indonesia volcanic activity reports, 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, lasting 109-143 seconds each.
Additionally, 1 rockfall earthquake (3 mm amplitude, 82 seconds duration) and 2 gas emission earthquakes (4-6 mm amplitude, 38-53 seconds duration) were detected.
PVMBG advises strictly no activities in the southeast sector along Besuk Kobokan within 13 km of the summit (eruption center. Outside this zone, residents must avoid activity within 500 m of river banks along Besuk Kobokan, as extended pyroclastic flows and lahar may reach up to 17 km from the peak.
During 2026, MAGMA Indonesia has logged 2303 volcanic eruptions across Indonesia. East Java's Mount Semeru recorded the highest activity with 1157 eruptions.
(Read: Floods Dominated Natural Disasters In Indonesia Late February 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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