Mount Ibu Erupts Again Tonight (Wednesday, October 8, 2025)

Mount Ibu in North Maluku erupted again on Wednesday (October 8, 2025) at 8:09 PM WIT. In the last week, Mount Ibu has erupted 6 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 400 meters above the peak (1,725 meters above sea level).

The ash column was observed to be white to grey with thick intensity towards the northeast. The eruption was recorded on a seismograph with a maximum amplitude of 28 millimeters and a duration of 33 seconds.

(Read: 4.4 M Earthquake Shakes Babar, Indonesia)

According to MAGMA Indonesia's volcanic activity report, Mount Ibu's activity level is at Level II (Alert). Seismicity observations on October 8, 2025, from 00:00-23:59 WIT showed 76 eruption/explosion earthquakes with an amplitude of 16-28 millimeters and a duration of 32-81 seconds.

Subsequently, 2 times of exhalation earthquakes with an amplitude of 2-6 millimeters and a duration of 37-51 seconds, and 14 harmonic earthquakes with an amplitude of 2-28 millimeters and a duration of 27-172 seconds occurred.

PVMBG advises the public around Mount Ibu and visitors/tourists not to engage in activities within a 2.0-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 6,586 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,590 times), while Mount Ibu erupted 2,360 times.

(Read: 4.2 M Earthquake Shakes Fox Aleutian Islands)