Mount Semeru Erupted Again This Afternoon (Saturday, 12 September 2026)
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Mount Semeru in East Java erupted again on Saturday (12/9/2026) at 12:16 WIB. Over the past week, Mount Semeru has erupted 36 times.
According to eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the eruption visual was not observed. The eruption was recorded on seismograph with maximum amplitude 25 millimeters and 105 seconds duration.
(Read: Number of Moderately Damaged Houses Due to Natural Disasters in Indonesia 2015-2024)
Per MAGMA Indonesia volcanic activity report, Mount Semeru activity status is at Level III (Alert). Seismic monitoring on 12 September 2026 06.00-12.00 WIB recorded 27 eruption earthquakes with 10-23 mm amplitude and 74-145 seconds duration.
Additionally: 2 fall earthquakes (4-7 mm, 55-79 sec), 4 emission earthquakes (4-7 mm, 43-58 sec).
PVMBG prohibits all activities in the southeast sector along Besuk Kobokan within 13 km from the summit. Outside this zone, avoid activity within 500 m from river banks along Besuk Kobokan, as hot cloud and lahar flows may reach up to 17 km from the peak.
Throughout 2026, MAGMA Indonesia logged 4,594 volcanic eruptions nationwide. East Java's Mount Semeru recorded the highest total at 1,790 eruptions.
(Read: 2 Thousand Natural Disasters Occurred In Indonesia In 2024, Floods Dominated)
"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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