Mount Semeru Erupts Again This Afternoon (Monday, 7 September 2026)
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Mount Semeru in East Java erupted again on Monday (7/9/2026) at 15:02 WIB. Over the past week, Mount Semeru has erupted 3 times.
According to eruption data 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 seismograph with maximum amplitude 24 millimeters and duration of 101 seconds.
(Read: Indonesia Has The Most Active Volcanoes In The World)
Per MAGMA Indonesia volcanic activity reports, Mount Semeru activity status is set at Level III (Alert). Seismic monitoring on 7 September 2026 between 06:00-12:00 WIB recorded 27 eruption earthquakes with amplitude 10-22 mm and duration 45-132 seconds.
Additionally, 2 collapse earthquakes (6-8 mm amplitude, 69-92 second duration) and 2 emission earthquakes (4-7 mm amplitude, 55-57 second duration) were detected.
PVMBG prohibits all activities in the southeast sector along Besuk Kobokan within 13 kilometers from the summit. Outside this radius, residents must also avoid activity within 500 meters of river banks along Besuk Kobokan, as this area is at risk of pyroclastic surges and lahar flows reaching up to 17 kilometers from the crater.
Throughout 2026, MAGMA Indonesia has recorded 4,485 volcanic eruptions across Indonesia. East Java's Mount Semeru recorded the highest activity with 1,757 eruptions.
"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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