Warning! Mount Semeru Erupts Again Tonight (Sunday, March 9, 2025)

Mount Semeru in East Java erupted again on Sunday, March 9, 2025, at 7:57 PM WIB. In the last week, Mount Semeru has erupted 112 times.

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

The eruption was not visually observed. The eruption was recorded on a seismograph with a maximum amplitude of 22 millimeters and a duration of 120 seconds.

According to the MAGMA Indonesia volcano activity report, Mount Semeru's activity level is at Level II (Alert). Observations of seismic activity from March 9, 2025, 00:00-23:59 WIB, showed 55 eruption quakes with amplitudes of 12-23 millimeters and durations of 58-178 seconds.

Then, there were 2 rockfall quakes with amplitudes of 4-8 mm and durations of 59-61 seconds, and 4 emission quakes with amplitudes of 4-8 millimeters and durations of 38-51 seconds.

PVMBG advises against any activity in the southeast sector along Besuk Kobokan, up to 8 kilometers from the peak (eruption center). Outside this distance, people should not engage in activities within 500 meters of the riverbank (river buffer zone) along Besuk Kobokan due to the potential for pyroclastic flow and lahar flows extending up to 13 kilometers from the peak.

During 2025, MAGMA Indonesia has recorded 2,017 volcanic eruptions/eruptions throughout Indonesia. Mount Semeru in East Java had the most eruptions, with 945.