Mount Semeru Erupted Again This Morning (Thursday, 15 October 2026)
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Mount Semeru in East Java erupted again on Thursday (15/10/2026) at 09:32 WIB. Over the past week, Mount Semeru has erupted 31 times.
According to eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the eruption was not visually observed. This eruption was recorded on seismographs with maximum 11 mm amplitude and 75 second duration.
(Read: Hundreds of Natural Disasters Recorded Up To Early April 2024, Floods Most Frequent)
Per MAGMA Indonesia volcanic activity reports, Mount Semeru activity status is set at Level III (Alert). Seismic monitoring on 15 October 2026 between 00:00–06:00 WIB recorded 26 eruption earthquakes with 12–25 mm amplitude and 66–159 second duration.
Additionally, 4 rockfall earthquakes (2–5 mm amplitude, 39–95 second duration) and 5 emission tremor earthquakes (3–9 mm amplitude, 28–52 second duration) were detected.
PVMBG advises against all activities in the southeast sector along Besuk Kobokan, within 13 km of the summit. Outside this zone, people must not operate within 500 meters of riverbanks along Besuk Kobokan: this area faces risk of pyroclastic flow expansion and lahars reaching up to 17 km from the peak.
During 2026, MAGMA Indonesia has logged 5,113 volcanic eruptions across Indonesia. East Java's Mount Semeru accounts for the highest count with 1,989 eruptions.
(Read: 2022 Public Housing Recipients: Majority Natural Disaster Survivors)
"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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