Mount Ibu Erupts Again Tonight (Thursday, October 16, 2025)

Mount Ibu in North Maluku erupted again on Thursday (October 16, 2025) at 8:20 PM WIT. In the last week, Mount Ibu has erupted 21 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 (None meters above sea level).

The eruption was not visually observed. The eruption was recorded on a seismograph with a maximum amplitude of 28 millimeters and a duration of 41 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 October 16, 2025, from 00:00-23:59 WIT, showed 56 eruption tremors with amplitudes of 16-28 millimeters and tremor durations of 31-73 seconds.

Additionally, there were 2 avalanche earthquakes with amplitudes of 2-6 mm and durations of 32-34 seconds, and 13 exhalation earthquakes with amplitudes of 4-10 millimeters and durations of 35-42 seconds.

PVMBG urges 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 6,676 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,627 times), while Mount Ibu erupted 2,393 times.

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