Mount Ibu Erupts Again Tonight, Eruption Height Around 300 Meters

Mount Ibu in North Maluku erupted again on Wednesday (August 27, 2025) at 19:33 WIT. In the last week, Mount Ibu has erupted 17 times.

Citing eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the height of the observed ash column was about 300 meters above the peak or 1,625 meters above sea level.

The ash column was observed to be gray with thick intensity heading east. The eruption was recorded on a seismograph with a maximum amplitude of 28 millimeters and a duration of 63 seconds.

(Read: BPBD: Flood Disaster Losses in West Sumatra Reach IDR 108.38 Billion)

According to the MAGMA Indonesia volcano activity report, Mount Ibu''s activity level is at Level II (Alert). Seismicity observations on August 27, 2025, from 00:00-23:59 WIT showed 117 eruption tremors with amplitudes of 12-28 millimeters and durations of 33-70 seconds.

Then, 3 times exhalation tremors with amplitudes of 4-10 millimeters and durations of 31-40 seconds, and 20 harmonic tremors with amplitudes of 2-28 millimeters and durations of 32-94 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 on the northern side of Mount Ibu''s active crater.

Throughout 2025, MAGMA Indonesia has recorded 5,833 volcanic eruptions across Indonesia. Mount Semeru in East Java erupted the most (2,332 times) while Mount Ibu erupted 2,136 times.

(Read: Jakarta Roads Still Flooded (July 9, 2025, 09:00 WIB))