Warning! Mount Ibu Erupts Again This Afternoon (Wednesday, December 31, 2025)

Mount Ibu in North Maluku erupted again on Wednesday (12/31/2025) at 3:19 PM WIT. In the last week, Mount Ibu has erupted 45 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 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 58 seconds.

(Read: Jatibening Enters the List of 15 Areas with the Best Air Quality in Indonesia as of September 2023)

According to MAGMA Indonesia's volcano activity report, the activity level of Mount Ibu is at Level II (Alert). Seismicity observations on December 31, 2025, from 00:00-23:59 WIT showed 82 eruption earthquakes with amplitudes of 15-28 millimeters and earthquake durations of 37-82 seconds.

Additionally, there were 5 exhalation earthquakes with amplitudes of 4-9 millimeters and durations of 41-68 seconds, and 7 harmonic earthquakes with amplitudes of 2-7 millimeters and durations of 61-175 seconds.

PVMBG urges communities around Mount Ibu and visitors/tourists not to engage in activities within a radius of 2 kilometers 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 7,563 volcanic eruptions across Indonesia. Mount Semeru in East Java erupted the most (3,149 times), while Mount Ibu erupted 2,741 times.

(Read: West Kalimantan Has the Worst Air Quality in Indonesia This Morning (Friday, August 18, 2023))