Mount Ibu Erupts Again Tonight (Tuesday, August 12, 2025)

Mount Ibu in North Maluku erupted again on Tuesday (12/8/2025) at 19:31 WIT. In the last week, Mount Ibu has erupted 7 times.

Based on eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the observed ash column height reached None meters above the peak (None meters above sea level).

The visual of the eruption was not observed. The eruption was recorded on a seismograph with a maximum amplitude of 28 millimeters and a duration of 63 seconds.

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According to MAGMA Indonesia's volcano activity report, the activity level of Mount Ibu is at Level II (Alert). Seismic observations on August 12, 2025, from 00:00-23:59 WIT showed 127 eruptive earthquakes with amplitudes of 10-28 millimeters and earthquake durations of 27-67 seconds.

Additionally, 27 harmonic earthquakes with amplitudes of 2-28 millimeters and durations of 36-253 seconds, and 73 low-frequency earthquakes with amplitudes of 2-9 millimeters and durations of 15-28 seconds occurred.

PVMBG advises 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 5,584 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,235 times), while Mount Ibu erupted 2,060 times.

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