Mount Semeru Erupted Again This Morning (Wednesday, 7 October 2026)
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Mount Semeru in East Java erupted again on Wednesday (7/10/2026) at 05.06 WIB. Over the past week, Mount Semeru has erupted 10 times.
According to eruption data from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the eruption plume was not visually observed. Mount Semeru's eruption was ongoing when this report was published.
(Read: Indonesia Has The Most Active Volcanoes In The World)
Per MAGMA Indonesia volcano activity reports, Mount Semeru is currently set at Alert Level III (Standby). Seismic monitoring on 7 October 2026 between 18.00-23.59 WIB recorded 34 eruption earthquakes with 12-23 mm amplitude and 80-132 second duration.
Additionally, 4 rockfall earthquakes (1-4 mm amplitude, 56-68 second duration) and 3 distant tectonic earthquakes (9-13 mm amplitude, 14-26 s-p interval, 57-79 second duration) were detected.
PVMBG prohibits all activities in the southeast sector along Besuk Kobokan within 13 km of the summit. Outside this zone, public activity is also banned within 500 meters of Besuk Kobokan river banks, as hot cloud surges and lahar flows may reach up to 17 km from the peak.
For 2026 up to this date, MAGMA Indonesia has logged 4,968 volcanic eruptions across the country. Mount Semeru recorded the highest activity with 1,929 eruptions.
(Read: Indonesia Ranks First Globally For Number 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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