Warning! Mount Ibu Erupts Again Tonight (Friday, August 15, 2025)

Mount Ibu in North Maluku erupted again on Friday (August 15, 2025) at 9:17 PM WIT. In the last week, Mount Ibu has erupted 19 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 reached None meters above the peak or None meters above sea level.

Visual observation of the eruption was not possible. The eruption of Mount Ibu was still ongoing when this report was made.

(Read: Trends in Volcanic Eruptions in Recent Years)

According to MAGMA Indonesia's volcanic activity report, Mount Ibu's activity level is at Level II (Alert). Seismic observations on August 15, 2025, from 00:00-23:59 WIT showed 109 eruption/explosion earthquakes with amplitudes of 10-28 millimeters and a duration of 28-57 seconds.

Subsequently, there was 1 puff earthquake with an amplitude of 7 millimeters and a duration of 42 seconds, and 26 harmonic earthquakes with amplitudes of 2-28 millimeters and durations of 35-134 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 5,628 volcanic eruptions throughout Indonesia. Mount Semeru in East Java had the most eruptions (2,257 times) while Mount Ibu erupted 2,072 times.

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