Mount Ibu Erupts Again This Afternoon, Ash Plume 200 Meters Above Peak

Mount Ibu in North Maluku erupted again on Monday (10/11/2025) at 12:39 WIT. In the last week, Mount Ibu has erupted 3 times.

Based on eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the observed ash column reached 200 meters above the peak (1,525 meters above sea level).

The ash column was observed to be gray with thick intensity towards the northeast. The eruption was recorded on a seismograph with a maximum amplitude of 28 millimeters and a duration of 45 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 November 10, 2025, from 00:00-23:59 WIT showed 71 eruption tremors with amplitudes of 15-28 millimeters and durations of 32-94 seconds.

Additionally, there were 4 exhalation tremors with amplitudes of 2-13 millimeters and durations of 33-46 seconds, and 16 harmonic tremors with amplitudes of 2-28 millimeters and durations of 32-107 seconds.

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 6,922 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,781 times), while Mount Ibu erupted 2,479 times.

(Read: Volcanic Eruption Trends in Recent Years)