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

Mount Ibu in North Maluku erupted again on Tuesday (19/8/2025) at 12:31 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 ash column observed reached 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 northwest. The eruption was recorded on a seismograph with a maximum amplitude of 16 millimeters and a duration of 56 seconds.

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According to the MAGMA Indonesia volcano activity report, the activity level of Mount Ibu is at Level II (Alert). Seismic observations on August 19, 2025, from 00:00-23:59 WIT showed 118 eruption/explosion earthquakes with amplitudes of 9-28 millimeters and earthquake durations of 45.53-52.76 seconds.

Additionally, there were 2 gust earthquakes with amplitudes of 8-10 millimeters and earthquake durations of 34.21-36.77 seconds, and 22 harmonic earthquakes with amplitudes of 2-28 millimeters and earthquake durations of 24.36-138.33 seconds.

PVMBG urges the public around Mount Ibu and visitors/tourists not to engage in activities within a radius of 2 kilometers 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 5,689 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,278 times), while Mount Ibu erupted 2,088 times.

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