Mount Semeru Erupts Again This Morning (Saturday, April 20, 2024)

Mount Semeru in East Java erupted again on Saturday, April 20, 2024, at 6:24 AM WIB. In the last week, Mount Semeru has erupted 7 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 is 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 April 20, 2024, 00:00-06:00 AM WIB, showed 7 eruption quakes with amplitudes of 12-22 millimeters and durations of 70-113 seconds.

Furthermore, there was 1 rockfall event with an amplitude of 6 mm and a duration of 28 seconds, and 1 harmonic tremor with an amplitude of 8 millimeters and a duration of 58 seconds.

PVMBG advises against any activity in the southeastern sector along the Besuk Kobokan river, up to 13 kilometers from the summit (eruption center). Outside this distance, the public should not engage in activities within 500 meters of the riverbank (river buffer zone) along the Besuk Kobokan river due to the potential for the expansion of pyroclastic flows and lava flows up to 17 kilometers from the summit.

During 2024, MAGMA Indonesia has recorded 557 volcanic eruptions across Indonesia. Mount Semeru in East Java has experienced the most eruptions, with 179 recorded events.