Warning! Mount Ibu Erupts Again Tonight (Monday, October 13, 2025)

Mount Ibu in North Maluku erupted again on Monday (10/13/2025) at 7:43 PM WIT. In the last week, Mount Ibu has erupted 4 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 was approximately 700 meters above the peak (2,025 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 64 seconds.

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

According to MAGMA Indonesia's volcanic activity report, Mount Ibu's activity level is at Level II (Alert). Seismic observations on October 13, 2025, from 00:00-23:59 WIT showed 78 eruption/explosion earthquakes with amplitudes of 12-28 millimeters and earthquake durations of 34-149 seconds.

Furthermore, 18 harmonic earthquakes with amplitudes of 2-10 millimeters and earthquake durations of 19-84 seconds, and 83 low-frequency earthquakes with amplitudes of 2-11 millimeters and earthquake durations of 17-29 seconds were recorded.

PVMBG urges the public around Mount Ibu and visitors/tourists not to engage in 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 6,640 volcanic eruptions throughout Indonesia. Mount Semeru in East Java erupted the most (2,616 times), while Mount Ibu erupted 2,376 times.

(Read: Indication of Forest and Land Fire Area in West Kalimantan Province 2016-2025)