Mount Ibu Erupts Again Tonight (Friday, September 5, 2025)

Mount Ibu in North Maluku erupted again on Friday (5/9/2025) at 18:29 WIT. In the last week, Mount Ibu has erupted 26 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 53 seconds.

(Read: Only 12 Regions Met WHO Air Quality Standards 2024)

According to MAGMA Indonesia''s volcanic activity report, Mount Ibu''s activity level is at Level II (Alert). Seismic observations on September 5, 2025, at 00:00-23:59 WIT showed 43 eruption/eruptive earthquakes with amplitudes of 4-28 millimeters and durations of 37-63 seconds.

Then, there were 3 puff earthquakes with amplitudes of 6-9 millimeters and durations of 37-46 seconds, and 12 harmonic earthquakes with amplitudes of 2-5 millimeters and durations of 37-179 seconds.

PVMBG advises the public 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 has recorded 5,976 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,393 times) while Mount Ibu erupted 2,190 times.

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