Mount Semeru Erupts Again This Morning, Volcanic Ash Reaches Approximately 400 Meters High

Mount Semeru in East Java erupted again on Sunday, October 27, 2024, at 08:13 WIB (Western Indonesian Time). In the last week, Mount Semeru has erupted 20 times.

According to 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 400 meters above the peak, or 4,076 meters above sea level.

The ash column was observed to be white to gray with thick intensity towards the west. The eruption was recorded on a seismograph with a maximum amplitude of 22 millimeters and a duration of 110 seconds.

According to the MAGMA Indonesia volcano activity report, Mount Semeru's activity level is at Level II (Alert). Observations of seismic activity on October 27, 2024, from 00:00 to 23:59 WIB, showed 64 eruption quakes with amplitudes of 10-23 millimeters and durations of 50-181 seconds.

Furthermore, there were 2 collapse quakes with amplitudes of 2-3 mm and durations of 54-56 seconds, and 18 emission quakes with amplitudes of 5-8 millimeters and durations of 40-60 seconds.

The 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 conduct 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 peak.

During 2024, MAGMA Indonesia has recorded 4,585 volcanic eruptions/eruptions throughout Indonesia. Mount Ibu in North Maluku had the most eruptions (1,865 eruptions), while Mount Semeru erupted 1,531 times.