Mount Semeru Erupted Again This Morning (Friday, June 5, 2026)
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Mount Semeru in East Java erupted again on Friday (5/6/2026) at 05:28 WIB. Over the past week, Mount Semeru has erupted 41 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 500 meters above the peak, or 4176 meters above sea level.
The ash column was observed white to grey with medium intensity, drifting southwest. Semeru eruption was ongoing when this report was published.
(Read: Kurious Survey: Many People Assess Indonesia's Air Quality As Poor)
Per MAGMA Indonesia volcanic activity reports, Mount Semeru is set at Activity Level III (Alert). Seismic monitoring on June 5 2026 18:00-23:59 WIB recorded 17 eruption earthquakes with 22-23 mm amplitude and 62-137 second duration, plus 2 emission tremors of 4-7 mm amplitude over 42-45 seconds.
PVMBG warns: No activities are permitted in the southeast sector along Besuk Kobokan within 13 km of the summit. Outside this zone, stay 500 m away from Besuk Kobokan river banks, as pyroclastic flows and lahars may reach up to 17 km from the peak.
During 2026, MAGMA Indonesia has logged 2339 volcanic eruptions across Indonesia. East Java's Mount Semeru accounts for the highest count at 1174 eruptions.
(Read: Bangladesh Has World's Worst Air Quality – How Does Indonesia Compare?)
"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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