Warning! Mount Ibu Erupts Again Tonight (Sunday, September 21, 2025)

Mount Ibu in North Maluku erupted again on Sunday (9/21/2025) at 7:58 PM WIT. In the last week, Mount Ibu has erupted 35 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 None meters above the peak or None meters above sea level.

No visual eruption was observed. The eruption was recorded on a seismograph with a maximum amplitude of 28 millimeters and a duration of 67 seconds.

(Read: 10 Peat Hydrological Areas Most Prone to Forest and Land Fires in 2023)

According to the MAGMA Indonesia volcano activity report, Mount Ibu''s activity level is at Level II (Alert). Seismic observations on September 21, 2025, from 00.00-23.59 WIT showed 62 eruption earthquakes with amplitudes of 15-28 millimeters and durations of 32-74 seconds.

Subsequently, there were 6 harmonic tremors with amplitudes of 2-11 millimeters and durations of 23-88 seconds, and 47 low-frequency earthquakes 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 6,227 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,466 times), while Mount Ibu erupted 2,275 times.

(Read: 55 Disasters Occurred in Mid-September 2023, Forest and Land Fires Dominate)