Mount Ibu Erupts Again Tonight (Tuesday, October 28, 2025)

Mount Ibu in North Maluku erupted again on Tuesday (10/28/2025) at 19:32 WIT. In the last week, Mount Ibu has erupted 5 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 400 meters above the peak or 1,725 meters above sea level.

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

(Read: Floods Dominate Natural Disasters in Indonesia in Early 2024)

According to MAGMA Indonesia's volcano activity report, the activity level of Mount Ibu is at Level II (Alert). Seismic observations on October 28, 2025, at 00:00-23:59 WIT showed 53 eruption tremors/earthquakes with amplitudes of 17-28 millimeters and a duration of 26-74 seconds.

Then, 1 exhalation tremor with an amplitude of 7 millimeters and a duration of 38 seconds, and 17 harmonic tremors with amplitudes of 2-20 millimeters and durations of 42-220 seconds.

PVMBG urges the public around Mount Ibu and visitors/tourists not to carry out activities within a radius of 2 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 6,808 volcanic eruptions across Indonesia. Mount Semeru in East Java erupted the most (2,699 times), while Mount Ibu erupted 2,450 times.

(Read: There Were 749 Natural Disaster Incidents in Indonesia Until End of March 2023, Most Were Floods)