Mount Ibu Erupts Again This Afternoon (Tuesday, December 16, 2025)

Mount Ibu in North Maluku erupted again on Tuesday (12/16/2025) at 17:41 WIT. In the last week, Mount Ibu has erupted 6 times.

Based on eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the observed ash column height reached 700 meters above the peak (2,025 meters above sea level).

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

(Read: 4.8 M Earthquake Shakes 219 Km East of Levuka,)

According to MAGMA Indonesia's volcano activity report, Mount Ibu's activity level is at Level II (Alert). Seismic observations on December 16, 2025, from 00:00-23:59 WIT showed 116 eruption tremors/earthquakes with amplitudes of 10-28 millimeters and earthquake durations of 33-74 seconds.

Subsequently, there was 1 exhalation tremor with an amplitude of 8 millimeters and a duration of 46 seconds, and 12 harmonic tremors with amplitudes of 2-8 millimeters and durations of 33-237 seconds.

PVMBG urges 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 7,363 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (3,034 times), while Mount Ibu erupted 2,660 times.

(Read: 4.16 M Earthquake Shakes Mona Passage)