Warning! Mount Semeru Erupts Again This Afternoon (Saturday, May 11, 2024)

Mount Semeru in East Java erupted again on Saturday, May 11, 2024, at 11:36 WIB (Western Indonesian Time). In the last week, Mount Semeru has erupted 16 times.

Based on eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, no visual eruption was observed. The eruption of Mount Semeru was still ongoing at the time of this report.

According to the MAGMA Indonesia volcano activity report, Mount Semeru's activity level is at Level III (Alert). Seismic observations from May 11, 2024, 00:00-06:00 WIB, showed 16 eruption quakes with amplitudes of 10-22 millimeters and durations of 59-197 seconds.

Furthermore, there was 1 harmonic tremor with an amplitude of 2 millimeters and a duration of 460 seconds, and 1 felt earthquake, scale II MMI, with an amplitude of 40 millimeters (S-P not observed) and a duration of 211 seconds.

PVMBG advises against any activity in the southeast sector along Besuk Kobokan, up to 13 kilometers from the summit (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 the expansion of pyroclastic flows and lahars up to 17 kilometers from the summit.

During 2024, MAGMA Indonesia has recorded 670 volcanic eruptions across Indonesia. Mount Semeru in East Java has experienced the most eruptions, with 229 recorded events.