Warning! Mount Ibu Erupts Again Tonight (Saturday, December 27, 2025)

Mount Ibu in North Maluku erupted again on Saturday (27/12/2025) at 18:38 WIT. In the last week, Mount Ibu has erupted 27 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 gray with moderate to thick intensity towards the northwest. The eruption was recorded on a seismograph with a maximum amplitude of 15 millimeters and a duration of 58 seconds.

(Read: Distribution of Fatalities Due to Floods and Landslides in Aceh (December 9, 2025))

According to the MAGMA Indonesia volcano activity report, the activity level of Mount Ibu is at Level II (Alert). Seismicity observations on December 27, 2025, from 00:00-23:59 WIT showed 94 eruption earthquakes with amplitudes of 15-28 millimeters and earthquake durations of 37-78 seconds.

Furthermore, 1 puff earthquake with an amplitude of 6 millimeters and a duration of 51 seconds, and 5 harmonic earthquakes with amplitudes of 3-11 millimeters and durations of 17-29 seconds occurred.

PVMBG urges the public around Mount Ibu and visitors/tourists not to engage in 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 7,528 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (3,135 times), while Mount Ibu erupted 2,721 times.

(Read: Update on Floods and Landslides in North Sumatra, 34 People Died)