Mount Ibu Erupts Again Tonight (Wednesday, October 22, 2025)

Mount Ibu in North Maluku erupted again on Wednesday (10/22/2025) at 22:27 WIT. In the last week, Mount Ibu has erupted 16 times.

Citing eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the observed ash column height reached 500 meters above the peak (1,825 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 41 seconds.

(Read: Floods Dominated Natural Disasters in Indonesia at the End of February 2024)

According to MAGMA Indonesia's volcano activity report, Mount Ibu's activity level is at Level II (Alert). Seismic observations on October 22, 2025, from 00:00-23:59 WIT showed 78 eruption earthquakes with amplitudes of 14-28 millimeters and durations of 34-76 seconds.

Furthermore, there were 3 exhalation earthquakes with amplitudes of 4-11 millimeters and durations of 32-52 seconds, and 17 harmonic tremors with amplitudes of 2-20 millimeters and durations of 34-189 seconds.

PVMBG urges the public around Mount Ibu and visitors/tourists not to conduct 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 6,756 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,668 times), while Mount Ibu erupted 2,429 times.

(Read: Extreme Weather to Floods, There Were 927 Natural Disaster Events in Indonesia Until Early May 2023)