Mount Semeru Erupts Again This Morning (Saturday, May 18, 2024)

Mount Semeru in East Java erupted again on Saturday, May 18, 2024, at 06:09 WIB (Western Indonesian Time). In the last week, Mount Semeru has erupted 21 times.

Based on eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the ash column height was observed to be approximately 500 meters above the peak (4,176 meters above sea level).

The ash column was observed to be white to gray with moderate intensity towards the south. 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 on May 18, 2024, from 00:00 to 06:00 WIB showed 17 eruption quakes with amplitudes of 11-23 millimeters and durations of 67-133 seconds.

Furthermore, there were 3 tremor quakes with amplitudes of 3-7 millimeters and durations of 36-45 seconds, and 2 distant tectonic quakes with amplitudes of 4-6 millimeters, S-P 24-55 seconds, and durations of 60-115 seconds.

PVMBG advises against any activity in the southeast sector along Besuk Kobokan, up to 13 kilometers from the peak (eruption center). Outside this distance, the public 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 17 kilometers from the peak.

During 2024, MAGMA Indonesia has recorded 712 volcanic eruptions/eruptions throughout Indonesia. Mount Semeru in East Java has experienced the most eruptions, with 255 recorded events.