Mount Ibu Erupts Again This Afternoon, Eruption Height Around 600 Meters

Mount Ibu in North Maluku erupted again on Monday (1/9/2025) at 4:00 PM WIT. In the last week, Mount Ibu has erupted 2 times.

Citing eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the height of the observed ash column reached 600 meters above the peak (1,925 meters above sea level).

The observed ash column was 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 67 seconds.

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According to MAGMA Indonesia''s volcano activity report, Mount Ibu''s activity level is at Level II (Alert). Seismic observations on September 1, 2025, from 00:00-23:59 WIT showed 112 eruption quakes with amplitudes of 15-28 millimeters and earthquake durations of 37-78 seconds.

Furthermore, 1 rockfall earthquake with an amplitude of 2 mm and a duration of 34 seconds, and 5 emission quakes with amplitudes of 6-12 millimeters and durations of 31-50 seconds.

PVMBG urges the community around Mount Ibu and visitors/tourists not to carry out 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 5,919 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,370 times) while Mount Ibu erupted 2,166 times.

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