Mount Ibu Erupts Again Tonight (Saturday, November 1, 2025)

Mount Ibu in North Maluku erupted again on Saturday (11/1/2025) at 8:51 PM WIT. In the last week, Mount Ibu has erupted 26 times.

Based on eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the height of the observed ash column was approximately 500 meters above the peak or 1,825 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 70 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 November 1, 2025, at 00.00-23.59 WIT showed 63 eruption tremors with amplitudes of 8-28 millimeters and durations of 31-77 seconds.

Additionally, there was 1 exhalation tremor with an amplitude of 13 millimeters and a duration of 46 seconds, and 18 harmonic tremors with amplitudes of 2-12 millimeters and durations of 39-142 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 on the northern part of Mount Ibu's active crater.

Throughout 2025, MAGMA Indonesia has recorded 6,869 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,739 times), while Mount Ibu erupted 2,471 times.

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