Jakarta – Mount Semeru erupted again on Monday morning (23/12/2024), at 04:58 WIB. The report from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) stated that the eruption column height of Mount Semeru was observed to reach 1,000 meters above the summit, or approximately 4,676 meters above sea level.
The ash column from the Semeru Volcano eruption was observed to be white to gray with a thick intensity towards the north and northeast. The eruption was recorded on a seismograph with a maximum amplitude of 22 mm and a duration of 115 seconds.
The community and tourists around the Mount Semeru area are prohibited from engaging in any activities in the southeastern sector along Besuk Kobokan, up to 8 km from the summit (eruption center).
Beyond that distance, the community does not engage in activities within 500 meters from the riverbank (river buffer) along the Besuk Kobokan due to the potential risk of being affected by the expansion of hot clouds and lahar flows up to 13 km from the summit.
Do not engage in activities within a 3 km radius from the crater/summit of Semeru Volcano due to the risk of volcanic rock ejection (pyroclastic).
The public is also urged to be vigilant against the potential of pyroclastic flows (APG), lava flows, and lahars along river valleys originating from the summit of Semeru Volcano, especially along Besuk Kobokan, Besuk Bang, Besuk Kembar, and Besuk Sat, as well as the potential for lahars in the small rivers that are tributaries of Besuk Kobokan.
Throughout 2024, Mount Semeru has recorded 2,178 eruptions. As of today, Monday, December 23, 2024, Mount Semeru in Lumajang, East Java, is still on Alert status (Level 2).
Is Mount Semeru Still Active?
Based on the PVMBG report, according to the monitoring results for the period of Sunday (22/12/2024), from 00:00 to 24:00 WIB, Mount Semeru experienced 56 eruption/explosion earthquakes with an amplitude of 13-22 mm and a duration of 60-147 seconds, then 1 collapse earthquake with an amplitude of 3 mm and a duration of 42 seconds, followed by 17 puff earthquakes with an amplitude of 3-8 mm and a duration of 41-66 seconds.
During the observation period, Mount Semeru also experienced 3 harmonic tremors with an amplitude of 4-20 mm and a duration of 85-256 seconds.
1 distant tectonic earthquake with an amplitude of 5 mm, S-P 16 seconds, and a duration of 43 seconds.
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