Mount Ibu Erupts Again This Afternoon (Monday, December 8, 2025)

Mount Ibu in North Maluku erupted again on Monday (8/12/2025) at 11:15 WIT. In the last week, Mount Ibu has erupted 3 times.

Citing 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 None meters above the peak or None meters above sea level.

The visual eruption was not observed. The eruption was recorded on a seismograph with a maximum amplitude of 28 millimeters and a duration of 80 seconds.

(Read: Indonesia Has the Most Active Volcanoes in the World)

According to MAGMA Indonesia's volcanic activity report, Mount Ibu's activity level is at Level II (Alert). Seismicity observations on December 8, 2025, from 00:00-23:59 WIT showed 68 eruption/explosion earthquakes with amplitudes of 15-28 millimeters and durations of 45-129 seconds.

Subsequently, 3 exhalation 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 occurred.

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 7,259 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,984 times), while Mount Ibu erupted 2,609 times.

(Read: Countries with the Most Active Volcanoes in the World, Indonesia Ranks First)