Warning! Mount Ibu Erupts Again Tonight (Friday, August 29, 2025)

Mount Ibu in North Maluku erupted again on Friday (August 29, 2025) at 8:50 PM WIT. In the last week, Mount Ibu has erupted 32 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 or 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 63 seconds.

(Read: Bekasi Among Top 10 Districts with Highest Flood Risk in West Java)

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

Subsequently, there were 2 exhalation quakes with amplitudes of 4-7 millimeters and durations of 40-42 seconds, and 19 harmonic tremors 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 5,889 volcano eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,358 times) while Mount Ibu erupted 2,151 times.

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