Mount Ibu Erupts Again This Afternoon (Tuesday, August 19, 2025)

Mount Ibu in North Maluku erupted again on Tuesday (Aug 19, 2025) at 1:25 PM WIT. In the last week, Mount Ibu has erupted 5 times.

According to 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 (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 66 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 19, 2025, from 00:00-23:59 WIT showed 118 eruption earthquakes with amplitudes of 9-28 millimeters and durations of 45.53-52.76 seconds.

Subsequently, 2 exhalation earthquakes with amplitudes of 8-10 millimeters and durations of 34.21-36.77 seconds, and 22 harmonic earthquakes with amplitudes of 2-28 millimeters and durations of 24.36-138.33 seconds occurred.

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 5,690 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,279 times), while Mount Ibu erupted 2,088 times.

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