Mount Ibu Erupts Again This Morning (Friday, November 28, 2025)

Mount Ibu in North Maluku erupted again on Friday (28/11/2025) at 10:00 WIT. In the last week, Mount Ibu has erupted 21 times.

Citing 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 600 meters above the peak (1,925 meters above sea level).

The ash column was observed to be gray with thick intensity towards the southeast. The eruption was recorded on a seismograph with a maximum amplitude of 28 millimeters and a duration of 75 seconds.

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

According to MAGMA Indonesia's volcanic activity report, Mount Ibu's activity level is at Level II (Alert). Seismic observations on November 28, 2025, from 00:00-23:59 WIT showed 118 eruption/explosion earthquakes with amplitudes of 15-28 millimeters and durations of 30-85 seconds.

Subsequently, 4 exhalation earthquakes with amplitudes of 4-10 millimeters and durations of 36-47 seconds, and 11 harmonic earthquakes with amplitudes of 2-28 millimeters and durations of 42-117 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 7,091 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,862 times), while Mount Ibu erupted 2,565 times.

(Read: Trends in Volcanic Eruptions in Recent Years)