Warning! Mount Semeru Erupted Again This Afternoon (Friday, 9 October 2026)
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Mount Semeru in East Java erupted again on Friday (09/10/2026) at 11:49 WIB. Over the past week, Mount Semeru has erupted 25 times.
According to eruption data from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the eruption was not visually observed. The event was recorded on seismographs with a maximum amplitude of 22 mm, lasting 132 seconds.
(Read: Volcano Eruption Trends In Recent Years)
Per MAGMA Indonesia volcanic activity reports, Mount Semeru is currently at Activity Level III (Alert Status). Seismic monitoring between 00:00 - 06:00 WIB on 9 October 2026 logged 22 eruption earthquakes (amplitude 10-25 mm, duration 44-178 seconds).
Additionally, 4 rockfall earthquakes (amplitude 1-2 mm, duration 50-73 seconds) and 9 gas emission earthquakes (amplitude 1-8 mm, duration 38-151 seconds) were detected.
PVMBG prohibits all activities in the southeast sector along Besuk Kobokan within 13 km of the summit. Beyond this zone, public activity is also banned within 500 meters of river banks along Besuk Kobokan, as pyroclastic surges and lahar flows may reach up to 17 km from the crater.
During 2026, MAGMA Indonesia recorded 5,003 volcanic eruptions nationwide. Mount Semeru (East Java) recorded the highest activity with 1,944 eruptions.
(Read: Indonesia Ranks First Globally For Most Active Volcanoes)
"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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