Warning! Mount Ibu Erupts Again This Afternoon (Wednesday, October 1, 2025)

Mount Ibu in North Maluku erupted again on Wednesday (1/10/2025) at 16:07 WIT. In the last week, Mount Ibu has erupted 19 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 400 meters above the peak or 1,725 meters above sea level.

The ash column was observed to be gray with thick intensity towards the northwest. The eruption was recorded on a seismograph with a maximum amplitude of 28 millimeters and a duration of 55 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 October 1, 2025, from 00:00-23:59 WIT showed 101 eruption earthquakes with amplitudes of 14-28 millimeters and earthquake durations of 32-81 seconds.

Furthermore, there were 2 rockfall earthquakes with an amplitude of 2 mm and durations of 33-43 seconds, and 5 exhalation earthquakes with amplitudes of 4-10 millimeters and durations of 35-43 seconds.

PVMBG urges 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 6,484 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,540 times) while Mount Ibu erupted 2,334 times.

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