Mount Semeru Erupts Again Early This Morning (Monday, 19 October 2026)
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Mount Semeru in East Java erupted again on Monday (19/10/2026) at 02:46 WIB. Over the past week, Mount Semeru only erupted once.
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 seismographs with a maximum amplitude of 11 millimeters and duration of 108 seconds.
(Read: Updated Count of Damaged Facilities Due to Sumatra Floods & Landslides (11 December 2025))
Per MAGMA Indonesia volcanic activity reports, Mount Semeru activity status remains at Level III (Alert). Seismic monitoring on 19 October 2026 between 18:00 - 23:59 WIB recorded 17 eruption earthquakes with 12-23 mm amplitude and 90-149 second duration.
Additionally, 4 rockfall earthquakes (2-4 mm amplitude, 53-93 seconds) and 3 emission earthquakes (6-9 mm amplitude, 53-58 seconds) were detected.
PVMBG advises against all activities in the southeast sector along Besuk Kobokan within 13 km of the summit. Outside this zone, residents must not operate within 500 m of river banks along Besuk Kobokan, as pyroclastic flows and lahars may reach up to 17 km from the crater.
Throughout 2026, MAGMA Indonesia logged 5,186 volcanic eruptions nationwide. Mount Semeru (East Java) recorded the highest activity with 2,014 eruptions.
(Read: Flood Location Distribution Jakarta (23 January 2026, 07:00 WIB))
"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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