Mount Ibu Erupts Again This Afternoon (Wednesday, November 12, 2025)

Mount Ibu in North Maluku erupted again on Wednesday (12/11/2025) at 11:53 AM WIT. In the last week, Mount Ibu has erupted 11 times.

Based on 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 southeast. 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 MAGMA Indonesia's volcano activity report, Mount Ibu's activity level is at Level II (Alert). Seismicity observations on November 12, 2025, from 00:00-23:59 WIT showed 88 eruption tremors with amplitudes of 15-28 millimeters and durations of 33-85 seconds.

Additionally, there were 10 harmonic tremors with amplitudes of 2-15 millimeters and durations of 34-126 seconds, and 94 low-frequency tremors with amplitudes of 2-10 millimeters and durations of 17-29 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 6,935 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,785 times), while Mount Ibu erupted 2,487 times.

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