Mount Ibu Erupted on Tuesday Afternoon, Status is Alert

Mount Ibu in North Maluku erupted again on Tuesday (9/23/2025) at 3:16 PM WIT. In the last week, Mount Ibu has erupted 4 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 approximately 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 62 seconds.

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According to MAGMA Indonesia''s volcanic activity report, Mount Ibu''s activity level is at Level II (Alert). Seismicity observations on September 23, 2025, from 00:00-23:59 WIT showed 80 eruption/explosion earthquakes with amplitudes of 8-28 millimeters and durations of 30-102 seconds.

Subsequently, 3 exhalation earthquakes with amplitudes of 3-10 millimeters and durations of 30-44 seconds, and 18 harmonic earthquakes with amplitudes of 2-28 millimeters and durations of 21-265 seconds occurred.

PVMBG urges 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 6,291 volcanic eruptions across Indonesia. Mount Semeru in East Java erupted the most (2,478 times), while Mount Ibu erupted 2,282 times.

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