Alert! Mount Semeru Erupted Again This Morning (Monday, 8 June 2026)
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Mount Semeru in East Java erupted again on Monday (8/6/2026) at 10:43 WIB. It has erupted 4 times in the past week.
According to PVMBG eruption data via MAGMA Indonesia app, observed ash column reached 800 m above the peak (4476 m above sea level).
Thick white-grey ash plume drifted southwest & west. The eruption registered max 21 mm seismograph amplitude, 111 second duration.
Mount Semeru is at Activity Level III (Alert). Volcanic seismic monitoring recorded 18 eruption quakes, 5 collapse quakes, 4 emission quakes on 8 June 00:00-06:00 WIB.
PVMBG banned all activity within 13 km of the peak along Besuk Kobokan; 500 m river buffer restriction applies further out. 2026 Indonesia recorded 2423 total eruptions, Semeru alone accounted for 1193 eruptions.
"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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