Mount Ibu Erupts Again Tonight (Friday, August 22, 2025)

Mount Ibu in North Maluku erupted again on Friday (8/22/2025) at 11:23 PM WIT. In the last week, Mount Ibu has erupted 25 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 700 meters above the peak or 2,025 meters above sea level.

The ash column was observed to be gray with thick intensity towards the northeast. Mount Ibu''s eruption was still ongoing when this report was made.

(Read: Floods Dominate Natural Disasters in Indonesia in Early 2024)

According to the MAGMA Indonesia volcano activity report, Mount Ibu''s activity level is at Level II (Alert). Seismicity observations on August 22, 2025, from 00:00-23:59 WIT showed 150 eruption tremors/earthquakes with amplitudes of 6-28 millimeters and durations of 35-98 seconds.

Furthermore, there were 3 emission tremors with amplitudes of 5-10 millimeters and durations of 34-39 seconds, and 25 harmonic tremors with amplitudes of 2-28 millimeters and durations of 47-115 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 5,745 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,301 times) while Mount Ibu erupted 2,108 times.

(Read: There Were 2 Thousand Natural Disasters in Indonesia in 2024, Floods Dominated)