Mount Semeru Erupted Again This Afternoon (Tuesday, 22 September 2026)
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Mount Semeru in East Java erupted again on Tuesday (22/9/2026) at 13:11 WIB. This volcano has erupted 5 times in the past week.
According to eruption data from PVMBG via the MAGMA Indonesia application, no visual eruption was observed. This eruption was recorded on seismograph with maximum 22 mm amplitude and 125 second duration.
(Read: Last Five Earthquakes Recorded by BMKG (Saturday, 19 July 2025 18:25:55 WIB))
Per MAGMA Indonesia volcanic activity reports, Mount Semeru remains at Alert Level III. Seismic monitoring between 06:00-12:00 WIB on 22 September 2026 registered 30 eruption earthquakes, 9 collapse earthquakes, 3 emission earthquakes.
PVMBG prohibits all activities 13 km southeast of the peak along Besuk Kobokan, plus 500 m buffer along this river banks; pyroclastic surges and lahar may reach 17 km from the summit.
During 2026, MAGMA Indonesia logged 4,747 volcanic eruptions nationwide, with Mount Semeru recording the highest count at 1,842 eruptions.
(Read: Magnitude 4.7 Earthquake Strikes Bonin Islands Region)
"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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