Warning! Mount Ibu Erupts Again This Morning (Tuesday, December 23, 2025)

Mount Ibu in North Maluku erupted again on Tuesday (12/23/2025) at 07.51 WIT. In the last week, Mount Ibu has erupted 3 times.

According to eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the height of the observed ash column reached 400 meters above the peak (1,725 meters above sea level).

The ash column was observed to be white to gray with moderate to thick intensity towards the southeast and south. The eruption was recorded on a seismograph with a maximum amplitude of 28 millimeters and a duration of 45 seconds.

(Read: 2 Thousand Natural Disasters in Indonesia in 2024, Floods Dominate)

According to MAGMA Indonesia's volcano activity report, Mount Ibu's activity level is at Level II (Alert). Seismic observations on December 23, 2025, from 00.00-23.59 WIT showed 98 eruption tremors with amplitudes of 15-28 millimeters and durations of 32-105 seconds.

Furthermore, 1 exhalation tremor with an amplitude of 8 millimeters and a duration of 33 seconds, and 8 harmonic tremors with amplitudes of 2-8 millimeters and durations of 31-127 seconds occurred.

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 7,489 volcanic eruptions across Indonesia. Mount Semeru in East Java erupted the most (3,121 times), while Mount Ibu erupted 2,697 times.

(Read: Number of Natural Disasters in Provinces on Java Island 2020-2024)