Warning! Mount Semeru Erupts Again This Sunday, March 8, 2026

Mount Semeru in East Java erupted again on Sunday (March 8, 2026) at 11:17 WIB. In the past week, Mount Semeru has erupted 42 times.

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

Eruption visuals were not observed. The eruption was recorded on the seismograph with a maximum amplitude of 23 millimeters and a duration of 102 seconds.

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According to the MAGMA Indonesia volcano activity report, Mount Semeru's activity level is at Level III (Alert). Earthquake observations on March 8, 2026, from 00:00 to 06:00 WIB showed 26 eruption/explosion earthquakes with amplitudes of 11-22 millimeters and durations of 60-149 seconds.

Then, 2 avalanche earthquakes with amplitudes of 4-6 mm and durations of 35-61 seconds, as well as 1 emission earthquake with an amplitude of 6 millimeters and a duration of 32 seconds.

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

Throughout 2026, MAGMA Indonesia has recorded 896 volcanic eruptions across Indonesia. Mount Semeru in East Java has the most eruptions with 457 events.

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