Warning! Mount Semeru Erupts Again Tonight (Thursday, May 9, 2024)

Mount Semeru in East Java erupted again on Thursday, May 9, 2024, at 00:18 WIB (Western Indonesian Time). In the last week, Mount Semeru has erupted 11 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 on May 9, 2024, from 18:00 to 23:59 WIB, showed 8 eruption quakes with amplitudes of 12-22 millimeters and durations of 84-145 seconds.

Furthermore, there was 1 rockfall earthquake with an amplitude of 4 mm and a duration of 64 seconds, and 1 distant tectonic earthquake with an amplitude of 15 millimeters, an S-P time of 14 seconds, and a duration of 37 seconds.

PVMBG advises against any activity in the southeast sector along the Besuk Kobokan river, 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 the Besuk Kobokan river due to the potential for pyroclastic flow and lava flows extending up to 17 kilometers from the summit.

During 2024, MAGMA Indonesia has recorded 654 volcanic eruptions/eruptions throughout Indonesia. Mount Semeru in East Java has experienced the most eruptions, with 224 eruptions.