Mount Ibu Erupts Again Today, Ash Column Reaches 300 Meters

Mount Ibu in North Maluku erupted again on Friday (August 29, 2025) at 18:32 WIT. In the last week, Mount Ibu has erupted 31 times.

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

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

(Read: Last Five Earthquakes Recorded by BMKG (Saturday, July 19, 2025 13:53:43 WIB))

According to MAGMA Indonesia''s volcanic activity report, Mount Ibu''s activity level is at Level II (Alert). Seismic observations on August 29, 2025, from 00:00-23:59 WIT showed 112 eruption/explosion earthquakes with amplitudes of 8-28 millimeters and earthquake durations of 33-76 seconds.

Furthermore, there were 2 exhalation earthquakes with amplitudes of 4-7 millimeters and durations of 40-42 seconds, and 19 harmonic tremors with amplitudes of 2-28 millimeters and durations of 21.82-114.19 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 5,883 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,356 times), while Mount Ibu erupted 2,150 times.

(Read: 4.1 M Earthquake Jolts 2 Km East of Cartago, Costa Rica)