Mount Ibu Erupts Again This Morning (Tuesday, August 12, 2025)

Mount Ibu in North Maluku erupted again on Tuesday (12/8/2025) at 09:26 WIT. In the last week, Mount Ibu has erupted 4 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 or None meters above sea level.

The visual of the eruption was not observed. The eruption was recorded on a seismograph with a maximum amplitude of 28 millimeters and a duration of 59 seconds.

(Read: Indonesia Has the Most Active Volcanoes in the World)

According to the MAGMA Indonesia volcano activity report, Mount Ibu's activity level is at Level II (Alert). Seismic observations on August 12, 2025, from 00:00-23:59 WIT showed 127 eruption/explosion earthquakes with amplitudes of 10-28 millimeters and earthquake durations of 27-67 seconds.

Furthermore, 27 harmonic earthquakes with amplitudes of 2-28 millimeters and earthquake durations of 36-253 seconds, and 73 low-frequency earthquakes with amplitudes of 2-9 millimeters and earthquake durations of 15-28 seconds occurred.

PVMBG urges the public around Mount Ibu and visitors/tourists not to engage in activities within a radius of 2 kilometers 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 5,575 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,230 times) while Mount Ibu erupted 2,057 times.

(Read: Volcanic Eruption Trends in Recent Years)