Warning! Mount Ibu Erupts Again This Afternoon (Monday, December 15, 2025)

Mount Ibu in North Maluku erupted again on Monday (December 15, 2025) at 02:39 PM WIT. In the last week, Mount Ibu has only erupted once.

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 around 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 56 seconds.

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

According to MAGMA Indonesia's volcanic activity report, Mount Ibu's activity level is at Level II (Alert). Seismic observations on December 15, 2025, from 00:00-23:59 WIT showed 112 eruption quakes with amplitudes of 15-28 millimeters and durations of 42-111 seconds.

Subsequently, there were 5 exhalation quakes with amplitudes of 5-19 millimeters and durations of 30-90 seconds, and 11 harmonic quakes with amplitudes of 2-27 millimeters and durations of 39-185 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 7,351 volcanic eruptions across Indonesia. Mount Semeru in East Java erupted the most (3,028 times), while Mount Ibu erupted 2,655 times.

(Read: Volcanic Eruption Trends in Recent Years)