Mount Ibu Erupts Again This Afternoon (Tuesday, August 12, 2025)

Mount Ibu in North Maluku erupted again on Tuesday (August 12, 2025) at 4:13 PM WIT. In the last week, Mount Ibu has erupted 5 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 reached 600 meters above the peak or 1,925 meters above sea level.

The observed ash column was 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 65 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 August 12, 2025, from 00:00-23:59 WIT showed 127 eruption earthquakes with amplitudes of 10-28 millimeters and durations of 27-67 seconds.

Additionally, there were 27 harmonic tremors 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.

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 5,581 volcano eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,234 times), while Mount Ibu erupted 2,058 times.

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