Warning! Mount Ibu Erupts Again Tonight (Wednesday, October 29, 2025)

Mount Ibu in North Maluku erupted again on Wednesday (29/10/2025) at 21:01 WIT. In the last week, Mount Ibu has erupted 12 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 500 meters above the peak (1,825 meters above sea level).

The ash column was observed to be gray with thick intensity towards the northeast. The eruption was recorded on a seismograph with a maximum amplitude of 28 millimeters and a duration of 61 seconds.

(Read: The Most Common Natural Disasters in Indonesia Until Early September 2023)

According to the MAGMA Indonesia volcano activity report, the activity level of Mount Ibu is at Level II (Alert). Seismic observations on October 29, 2025, from 00:00-23:59 WIT showed 6 eruption earthquakes with amplitudes of 15-28 millimeters and durations of 30-90 seconds.

Then, 1 exhalation earthquake with an amplitude of 6 millimeters and a duration of 37 seconds, as well as 19 harmonic tremors with amplitudes of 2-8 millimeters and durations of 26-172 seconds.

PVMBG advises 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 6,821 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,705 times), while Mount Ibu erupted 2,457 times.

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