Warning! Mount Ibu Erupts Again This Morning (Sunday, December 21, 2025)

Mount Ibu in North Maluku erupted again on Sunday (December 21, 2025) at 08:10 WIT. In the last week, Mount Ibu has erupted 37 times.

Based on eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the height of the ash column was observed to be approximately 400 meters above the peak (1,725 meters above sea level).

The ash column was observed to be white to gray with moderate to thick intensity towards the northeast and east. The eruption of Mount Ibu was still ongoing at the time this report was made.

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According to the MAGMA Indonesia volcano activity report, Mount Ibu's activity level is at Level II (Alert). Seismicity observations on December 21, 2025, from 00:00-23:59 WIT showed 107 eruption/explosion earthquakes with amplitudes of 15-28 millimeters and earthquake durations of 42-103 seconds.

Furthermore, there was 1 exhalation earthquake with an amplitude of 6 millimeters and an earthquake duration of 36 seconds, and 7 harmonic earthquakes with amplitudes of 3-8 millimeters and earthquake durations of 45-132 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 7,453 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (3,091 eruptions), while Mount Ibu erupted 2,691 times.

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