Mount Ibu Erupts Again Tonight (Monday, November 17, 2025)

Mount Ibu in North Maluku erupted again on Monday (11/17/2025) at 7:05 PM WIT. In the last week, Mount Ibu only erupted once.

Based on 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 None meters above the peak or None meters above sea level.

The visual eruption was not observed. Mount Ibu's eruption is still ongoing when this report was made.

(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). Seismicity observations on November 17, 2025, at 00:00-23:59 WIT showed 125 eruption/explosion earthquakes with amplitudes of 17-28 millimeters and earthquake durations of 36-83 seconds.

Then, 3 times of exhalation earthquakes with amplitudes of 3-10 millimeters and earthquake durations of 37-49 seconds, and 15 times of harmonic earthquakes with amplitudes of 2-20 millimeters and earthquake durations of 33-133 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 6,975 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,797 times) while Mount Ibu erupted 2,514 times.

(Read: Indonesia Has the Most Active Volcanoes in the World)