Warning! Mount Ibu Erupts Again Tonight (Thursday, October 23, 2025)

Mount Ibu in North Maluku erupted again on Thursday (23/10/2025) at 22:23 WIT. In the last week, Mount Ibu has erupted 17 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 reach None meters above the peak or None meters above sea level.

Visual of the eruption was not observed. The eruption was recorded on a seismograph with a maximum amplitude of 25 millimeters and a duration of 33 seconds.

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

According to the MAGMA Indonesia volcano activity report, the activity level of Mount Ibu is at Level II (Alert). Seismicity observations on October 23, 2025, from 00:00-23:59 WIT showed 79 eruption/explosion earthquakes with amplitudes of 14-28 millimeters and earthquake durations of 31-109 seconds.

Furthermore, there were 4 exhalation earthquakes with amplitudes of 4-10 millimeters and durations of 34-35 seconds, and 19 harmonic earthquakes with amplitudes of 2-8 millimeters and durations of 27-228 seconds.

PVMBG advises the public around Mount Ibu and visitors/tourists not to engage in activities within a radius of 2.0 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 has recorded 6,760 volcano eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,671 times), while Mount Ibu erupted 2,430 times.

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