PVMBG: Mount Semeru Erupts Again, Eight Eruptions Recorded Today

Mount Semeru in East Java erupted again on Monday, July 8, 2024, at 7:50 AM WIB (Western Indonesian Time). In the last week, Mount Semeru has erupted 9 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 700 meters above the peak (4,376 meters above sea level).

The ash column was observed to be white to gray in color with thick intensity towards the north and northeast. The eruption was recorded on a seismograph with a maximum amplitude of 22 millimeters and a duration of 115 seconds.

According to the MAGMA Indonesia volcano activity report, Mount Semeru's activity level is at Level III (Alert). Observations of seismic activity from 00:00 to 06:00 WIB on July 8, 2024, showed 44 eruption quakes with amplitudes of 11-23 millimeters and durations of 75-146 seconds.

Furthermore, there were 7 rockfall quakes with amplitudes of 2-6 mm and durations of 50-77 seconds, and 3 emission quakes with amplitudes of 8 millimeters and durations of 54-58 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, 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 lava flows up to 17 kilometers from the peak.

During 2024, MAGMA Indonesia has recorded 1,515 volcanic eruptions/eruptions throughout Indonesia. Mount Semeru in East Java has experienced the most eruptions, with 670 eruptions.