Warning! Mount Semeru Erupts Again Tonight (Saturday, March 7, 2026)

Mount Semeru in East Java erupted again on Saturday (March 7, 2026) at 00:37 WIB. In the past week, Mount Semeru has erupted 24 times.

Based on 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 or None meters above sea level.

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

(Read: 5.3 M Earthquake Shakes 17 Km West of Pasuquin,)

According to the MAGMA Indonesia volcano activity report, Mount Semeru's activity level is at Level III (Alert). Seismic observations on March 7, 2026 from 18:00-23:59 WIB showed 18 eruption/explosion earthquakes with amplitudes of 11-22 millimeters and durations of 70-105 seconds. Then, 2 emission earthquakes with amplitudes of 5-7 millimeters and durations of 50-66 seconds.

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

During 2026, MAGMA Indonesia has recorded 865 volcanic eruptions across Indonesia. Mount Semeru in East Java has the most eruptions with 439 events.

(Read: 4.5 M Earthquake Shakes 94 Km Southwest of Banda Aceh,)