Warning! Mount Ibu Erupts Again This Afternoon (Sunday, October 5, 2025)

Mount Ibu in North Maluku erupted again on Sunday (10/5/2025) at 17:50 WIT. In the last week, Mount Ibu has erupted 39 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 was observed to be around 600 meters above the peak (1,925 meters above sea level).

The ash column was observed to be gray with thick intensity towards the southeast. The eruption was recorded on a seismograph with a maximum amplitude of 28 millimeters and a duration of 57 seconds.

(Read: 4.5 M Earthquake Shakes 94 Km Southwest of Banda Aceh,)

According to the MAGMA Indonesia volcano activity report, Mount Ibu's activity level is at Level II (Alert). Seismicity observations on October 5, 2025, from 00:00-23:59 WIT showed 91 eruption earthquakes with amplitudes of 10-28 millimeters and earthquake durations of 32-203 seconds.

Furthermore, 3 exhalation earthquakes with amplitudes of 2-6 millimeters and earthquake durations of 30-45 seconds, and 23 harmonic tremors with amplitudes of 2-20 millimeters and earthquake durations of 16-145 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 6,543 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,561 times), while Mount Ibu erupted 2,354 times.

(Read: 4.4 M Earthquake Shakes Babar, Indonesia)