Mount Ibu Erupts Again This Afternoon (Thursday, December 25, 2025)

Mount Ibu in North Maluku erupted again on Thursday (December 25, 2025) at 12:09 WIT. In the last week, Mount Ibu has erupted 12 times.

According to eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the ash column was observed to be around 600 meters above the peak (1,925 meters above sea level).

The ash column was observed to be white to gray with moderate to thick intensity towards the southeast, south, and southwest. The eruption was recorded on a seismograph with a maximum amplitude of 28 millimeters and a duration of 38 seconds.

(Read: Countries with the Most Active Volcanoes in the World, Indonesia Ranks First)

According to MAGMA Indonesia's volcano activity report, Mount Ibu's activity level is at Level II (Alert). Seismic observations on December 25, 2025, from 00:00-23:59 WIT showed 79 eruption earthquakes with amplitudes of 15-28 millimeters and earthquake durations of 31-74 seconds.

Subsequently, there was 1 exhalation earthquake with an amplitude of 8 millimeters and a duration of 41 seconds, and 10 harmonic earthquakes with amplitudes of 2-10 millimeters and durations of 52-101 seconds.

PVMBG advises the public around Mount Ibu and visitors/tourists not to engage in activities within a 2-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 7,507 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (3,129 times) while Mount Ibu erupted 2,706 times.

(Read: Trends in Volcanic Eruptions in Recent Years)