Warning! Mount Semeru Erupts Again Tonight (Friday, March 6, 2026)

Mount Semeru in East Java erupted again on Friday (March 6, 2026) at 00:42 WIB. In the past week, Mount Semeru has erupted 11 times.

Quoting eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the height of the observed ash column reached None meters above the peak (None meters above sea level).

No eruption visuals were observed. The eruption of Mount Semeru was still ongoing when this report was made.

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According to the MAGMA Indonesia volcano activity report, the activity level of Mount Semeru is at Level III (Alert). Seismic observations on March 6, 2026 from 18:00 to 23:59 WIB showed 8 eruption/explosion earthquakes with amplitudes of 11-22 millimeters and durations of 66-121 seconds. Then, 1 collapse earthquake with an amplitude of 4 mm and duration of 35 seconds.

PVMBG advises against any activities in the southeast sector along the Besuk Kobokan, up to 13 kilometers from the peak (eruption center). Outside this distance, residents should not carry out activities within 500 meters of the riverbank along Besuk Kobokan due to the potential for being affected by the expansion of hot clouds and lahar flows up to 17 kilometers from the peak.

During 2026, MAGMA Indonesia has recorded 849 volcanic eruptions across Indonesia. Mount Semeru in East Java has the most eruptions with 426 events.

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