Mount Semeru Erupted Again This Afternoon (Wednesday, 9 September 2026)
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Mount Semeru in East Java erupted again on Wednesday (9/9/2026) at 15:04 WIB. Over the past week, Mount Semeru has erupted 9 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. This eruption was recorded on seismographs with maximum amplitude 22 mm and 91 seconds duration.
(Read: Jakarta Air Quality Ranked Second Worst Worldwide This Morning (Friday, 17 June 2022))
Per MAGMA Indonesia volcanic activity reports, Mount Semeru is currently at Alert Level III (Standby). Seismic monitoring on 9 September 2026 between 06:00-12:00 WIB recorded 29 eruption earthquakes with amplitude 10-22 mm and duration 59-111 seconds.
Additionally, 3 landslide earthquakes (amplitude 3-6 mm, 60-63 sec duration) and 5 emission earthquakes (amplitude 4-8 mm, 34-56 sec duration) were detected.
PVMBG advises: no activities are permitted in the southeast sector along Besuk Kobokan, within 13 km of the summit. Outside this zone, avoid activity within 500 m of Besuk Kobokan river banks, as pyroclastic surges and lahars may reach up to 17 km from the summit.
For 2026 to date, MAGMA Indonesia has registered 4,520 volcanic eruptions across Indonesia. Mount Semeru (East Java) recorded the highest count at 1,763 eruptions.
(Read: Chad Named Country With Worst Air Quality In The World 2024)
"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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