Warning! Mount Semeru Erupted Again This Morning (Thursday, 8 October 2026)

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Irfan Fadhlurrahman 08/10/2026 05:54 WIB
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Mount Semeru in East Java erupted again on Thursday (8/10/2026) at 05:39 WIB. Over the past week, Mount Semeru has erupted 19 times.

According to eruption reports from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the eruption visual was unobserved. Mount Semeru eruption was ongoing at the time this report was published.

(Read: Number of Damaged Houses Due to Floods and Landslides in Sumatra (17 December 2025))

Per MAGMA Indonesia volcanic activity reports, Mount Semeru status remains at Level III (Alert). Seismic monitoring on 8 October 2026 between 18:00-23:59 WIB recorded 24 eruption earthquakes with amplitude 10-25 mm and duration 52-154 seconds.

Additionally, 3 collapse earthquakes with amplitude 1-2 mm / duration 41-55 seconds, and 5 gas emission earthquakes with amplitude 2-7 mm / duration 40-73 seconds were registered.

PVMBG prohibits all activities in the southeast sector along Besuk Kobokan within 13 km of the peak. Outside this zone, the public must avoid all activity within 500 m of the river banks along Besuk Kobokan, as this area is at risk from pyroclastic flow expansion and lahars reaching up to 17 km from the summit.

During 2026, MAGMA Indonesia recorded 4,984 volcanic eruptions nationwide. Mount Semeru, East Java recorded the highest activity with 1,938 eruptions.

(Read: Flood Points Increase in Jakarta (23 January 2026, 12:00 WIB))

"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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