Warning! Mount Ibu Erupts Again This Afternoon (Tuesday, October 21, 2025)

Mount Ibu in North Maluku erupted again on Tuesday (10/21/2025) at 5:47 PM WIT. In the last week, Mount Ibu has erupted 10 times.

Citing 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 300 meters above the peak (1,625 meters above sea level).

The observed ash column was gray with thick intensity towards the northeast. The eruption was recorded on a seismograph with a maximum amplitude of 20 millimeters and a duration of 52 seconds.

(Read: 5.3 M Earthquake Shakes 17 Km West of Pasuquin,)

According to MAGMA Indonesia's volcano activity report, Mount Ibu's activity level is at Level II (Alert). Seismicity observations on October 21, 2025, from 00:00-23:59 WIT, showed 62 eruption/explosion earthquakes with amplitudes of 15-28 millimeters and durations of 30-76 seconds.

Furthermore, there were 4 exhalation earthquakes with amplitudes of 6-10 millimeters and durations of 36-42 seconds, and 14 harmonic earthquakes with amplitudes of 2-15 millimeters and durations of 23-58 seconds.

PVMBG urged the public around Mount Ibu and visitors/tourists not to carry out activities within a 2.0-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 6,742 volcano eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,660 times), while Mount Ibu erupted 2,423 times.

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