Mount Ibu Erupts Again Tonight (Thursday, October 30, 2025)

Mount Ibu in North Maluku erupted again on Thursday (10/30/2025) at 7:41 PM WIT. In the last week, Mount Ibu has erupted 15 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 300 meters above the peak (1,625 meters above sea level).

The observed ash column was white to gray with moderate to thick intensity towards the northeast. The eruption was recorded on a seismograph with a maximum amplitude of 28 millimeters and a duration of 35 seconds.

(Read: Nearly 5 Thousand Natural Disaster Events in Indonesia Throughout 2023, Forest and Land Fires Dominated)

According to MAGMA Indonesia's volcanic activity report, Mount Ibu's activity level is at Level II (Alert). Seismicity observations on October 30, 2025, from 00:00-23:59 WIT showed 63 eruptive/explosion earthquakes with amplitudes of 11-28 millimeters and earthquake durations of 29-77 seconds.

Then, 3 gaseous emission earthquakes with amplitudes of 3-6 millimeters and earthquake durations of 31-44 seconds, and 21 harmonic tremors with amplitudes of 2-10 millimeters and earthquake durations of 33-131 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 6,837 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,718 times), while Mount Ibu erupted 2,460 times.

(Read: 5 Provinces with the Most Forest and Land Fire Hotspots in Peat Ecosystems Until August 2025)