Mount Ibu Erupts Again Early This Morning, Volcanic Ash Plume 600 Meters Above the Peak

Mount Ibu in North Maluku erupted again on Wednesday (August 20, 2025) at 01:04 WIT. In the last week, Mount Ibu has erupted 10 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 600 meters above the peak (1,925 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 73 seconds.

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According to the MAGMA Indonesia volcano activity report, Mount Ibu's activity level is at Level II (Alert). Seismicity observations on August 20, 2025, from 00:00-23:59 WIT showed 103 eruption earthquakes with amplitudes of 12-28 millimeters and durations of 37-79 seconds.

Furthermore, there was 1 exhalation earthquake with an amplitude of 9 millimeters and a duration of 43 seconds, and 31 harmonic earthquakes with amplitudes of 2-28 millimeters and durations of 38-211 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 5,701 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,284 times), while Mount Ibu erupted 2,093 times.

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