Mount Ibu Erupts Again This Afternoon (Saturday, December 6, 2025)

Mount Ibu in North Maluku erupted again on Saturday (6/12/2025) at 16:56 WIT. In the last week, Mount Ibu has erupted 22 times.

According to eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the height of the ash column observed reached 300 meters above the peak (1,625 meters above sea level).

The ash column was observed to be gray with thick intensity towards the northeast. The eruption was recorded on a seismograph with a maximum amplitude of 28 millimeters and a duration of 47 seconds.

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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 6, 2025, from 00:00-23:59 WIT showed 68 eruption earthquakes with amplitudes of 15-28 millimeters and earthquake durations of 45-129 seconds.

Furthermore, there were 3 emission earthquakes with amplitudes of 12-14 millimeters and durations of 47-152 seconds, and 12 harmonic earthquakes with amplitudes of 2-20 millimeters and durations of 20-104 seconds.

PVMBG urges 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 has recorded 7,229 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,963 times), while Mount Ibu erupted 2,600 times.

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