Mount Ibu Erupts Again Tonight (Thursday, August 21, 2025)

Mount Ibu in North Maluku erupted again on Thursday (August 21, 2025) at 00:52 WIT. In the last week, Mount Ibu has erupted 12 times.

Based on 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 None meters above the peak (None meters above sea level).

Visual eruption was not observed. Mount Ibu's eruption was still ongoing when this report was made.

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

According to MAGMA Indonesia's volcano activity report, Mount Ibu's activity level is at Level II (Alert). Seismic observations on August 21, 2025, at 00:00-23:59 WIT showed 114 eruption/explosion earthquakes with amplitudes of 10-28 millimeters and earthquake durations of 33.17-88.44 seconds.

Furthermore, there was 1 exhalation earthquake with an amplitude of 7 millimeters and a duration of 33.93 seconds, and 25 harmonic earthquakes with amplitudes of 2-28 millimeters and durations of 38.64-135.04 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 5,713 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,293 times) while Mount Ibu erupted 2,095 times.

(Read: 4.4 M Earthquake Jolts Babar, Indonesia)