Mount Ibu Erupts Again Tonight (Sunday, October 26, 2025)

Mount Ibu in North Maluku erupted again on Sunday (October 26, 2025) at 19:46 WIT. In the last week, Mount Ibu has erupted 30 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 500 meters above the peak (1,825 meters above sea level).

The ash column was observed to be white to gray with moderate to thick intensity towards the northwest. The eruption of Mount Ibu was still ongoing when this report was made.

(Read: Indication of Forest and Land Fire Area in East Kalimantan until June 2025)

According to MAGMA Indonesia's volcano activity report, the activity level of Mount Ibu is at Level II (Alert). Seismicity observations on October 26, 2025, from 00:00-23:59 WIT showed 91 eruption earthquakes with amplitudes of 15-28 millimeters and earthquake durations of 32-81 seconds.

Furthermore, there were 4 exhalation earthquakes with amplitudes of 3-8 millimeters and earthquake durations of 33-43 seconds, and 20 harmonic tremors with amplitudes of 2-10 millimeters and earthquake durations of 20-160 seconds.

PVMBG urges the public around Mount Ibu and visitors/tourists not to engage in activities within a radius of 2.0 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 6,784 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,682 times) while Mount Ibu erupted 2,443 times.

(Read: East Nusa Tenggara Always Hit by Forest and Land Fires in the Last 10 Years, BMKG Urges Increased Preparedness)