Mount Ibu Erupts Again Tonight (Tuesday, November 25, 2025)

Mount Ibu in North Maluku erupted again on Tuesday (11/25/2025) at 22:35 WIT. In the last week, Mount Ibu has erupted 9 times.

Reporting 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 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 northeast. The eruption was recorded on a seismograph with a maximum amplitude of 15 millimeters and a duration of 60 seconds.

(Read: Flood Disaster Events in Indonesia Increased Period 2008-2025)

According to MAGMA Indonesia's volcano activity report, Mount Ibu's activity level is at Level II (Alert). Seismicity observations on November 25, 2025, at 00:00-23:59 WIT showed 107 eruption tremors with amplitudes of 15-28 millimeters and tremor durations of 36-72 seconds.

Subsequently, there were 2 avalanche tremors with an amplitude of 2 mm and tremor durations of 46-52 seconds, and 2 exhalation tremors with amplitudes of 6-10 millimeters and tremor durations of 35-39 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 7,047 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,830 times), while Mount Ibu erupted 2,553 times.

(Read: Bekasi Included in Top 10 Highest Flood Risk Areas in West Java)