Warning! Mount Semeru Erupted Again This Afternoon (Friday, 23 October 2026)
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Mount Semeru in East Java erupted again on Friday (23/10/2026) at 17:10 WIB. Over the past week, this volcano has erupted 20 times.
Per PVMBG eruption data via MAGMA Indonesia app: no visual plume was observed. The eruption registered maximum 24mm seismograph amplitude with 166 seconds duration.
(Related: Indonesia Has The Most Active Volcanoes Worldwide)
Mount Semeru remains at Activity Level III (Alert). Between 06:00-12:00 WIB 23 October: 24 eruption earthquakes, 3 fall earthquakes, 7 emission earthquakes were detected.
PVMBG prohibits all activity within 13km of the summit along Besuk Kobokan south-east sector, and 500m from river banks in this area due to pyroclastic surge and lahar hazards reaching 17km from the peak.
During 2026, MAGMA Indonesia logged 5,253 volcanic eruptions nationwide, with Mount Semeru accounting for 2,033 eruptions.
(Related: Indonesia Ranks First Globally For Count Of 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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