Warning! Mount Ibu Erupts Again This Afternoon (Wednesday, December 3, 2025)

Mount Ibu in North Maluku erupted again on Wednesday (December 3, 2025) at 3:12 PM WIT. In the last week, Mount Ibu has erupted 5 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 at approximately None meters above the peak (None meters above sea level).

The eruption was not visually observed. The eruption was recorded on a seismograph with a maximum amplitude of 28 millimeters and a duration of 52 seconds.

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According to MAGMA Indonesia's volcanic activity report, Mount Ibu's activity level is at Level II (Alert). Seismicity observations on December 3, 2025, from 00:00-23:59 WIT showed 79 eruption/explosive earthquakes with amplitudes of 15-28 millimeters and durations of 35-81 seconds.

Furthermore, there were 13 harmonic earthquakes with amplitudes of 2-12 millimeters and durations of 34-127 seconds, and 44 low-frequency earthquakes with amplitudes of 2-6 millimeters and durations of 17-29 seconds.

PVMBG urges communities around Mount Ibu and visitors/tourists not to engage in activities within a 2-kilometer radius and a sectoral expansion of 3.5 kilometers towards the crater opening in the northern part of Mount Ibu's active crater.

Throughout 2025, MAGMA Indonesia has recorded 7,172 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,924 times), while Mount Ibu erupted 2,583 times.

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