Mount Ibu Erupts Again This Afternoon (Friday, August 29, 2025)

Mount Ibu in North Maluku erupted again on Friday (8/29/2025) at 12:21 WIT. In the last week, Mount Ibu has erupted 27 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 be around 400 meters above the peak (1,725 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 59 seconds.

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According to the MAGMA Indonesia volcano activity report, the activity level of Mount Ibu is at Level II (Alert). Seismicity observations on August 29, 2025, at 00:00-23:59 WIT showed 112 eruption/emission earthquakes with amplitudes of 8-28 millimeters and durations of 33-76 seconds.

Then, 2 emission earthquakes with amplitudes of 4-7 millimeters and durations of 40-42 seconds, and 19 harmonic earthquakes with amplitudes of 2-28 millimeters and durations of 21.82-114.19 seconds.

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 5,874 volcano eruptions across Indonesia. Mount Semeru in East Java erupted the most (2,353 times) while Mount Ibu erupted 2,146 times.

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