Warning! Mount Ibu Erupts Again This Afternoon (Sunday, December 28, 2025)

Mount Ibu in North Maluku erupted again on Sunday (12/28/2025) at 17.52 WIT. In the last week, Mount Ibu has erupted 31 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 around 500 meters above the peak or 1,825 meters above sea level.

The ash column was observed to be gray with thick intensity towards the southwest. The eruption was recorded on a seismograph with a maximum amplitude of 15 millimeters and a duration of 64 seconds.

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According to MAGMA Indonesia's volcano activity report, Mount Ibu's activity level is at Level II (Alert). Seismicity observations on December 28, 2025, from 00:00-23:59 WIT showed 91 eruption/explosive earthquakes with amplitudes of 15-28 millimeters and earthquake durations of 31-91 seconds.

Furthermore, there was 1 exhalation earthquake with an amplitude of 4 millimeters and a duration of 45 seconds, and 14 harmonic earthquakes with amplitudes of 2-3 millimeters and durations of 29-186 seconds.

PVMBG urged the public 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 recorded 7,536 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (3,139 times), while Mount Ibu erupted 2,725 times.

(Read: Almost 5 Thousand Natural Disaster Incidents in Indonesia Throughout 2023, Forest and Land Fires Dominate)