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

Mount Semeru in East Java erupted again on Saturday (March 7, 2026) at 6:39 PM WIB. In the past week, Mount Semeru has erupted 33 times.

Based on 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 or None meters above sea level.

No visual of the eruption was observed. The eruption of Mount Semeru was still ongoing when this report was made.

(Read: Two Months of Sumatra Floods, 1,204 People Killed and 140 Missing (Tuesday, January 27, 2026))

According to the MAGMA Indonesia volcano activity report, the activity level of Mount Semeru is at Level III (Alert). Seismic observations on March 7, 2026 from 12:00 PM to 6:00 PM WIB showed 21 eruption/explosion earthquakes with amplitudes of 11-22 millimeters and durations of 60-128 seconds. Then, 5 emission earthquakes with amplitudes of 2-7 millimeters and durations of 38-56 seconds.

PVMBG advises against any activities in the southeastern sector along the 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 the Besuk Kobokan due to the potential for being affected by expanding hot clouds and lahar flows up to 17 kilometers from the peak.

In 2026, MAGMA Indonesia has recorded 879 volcanic eruptions across Indonesia. Mount Semeru in East Java has the most eruptions with 448 events.

(Read: Distribution of Fatalities from Floods and Landslides in West Sumatra (December 9, 2025))