Warning! Mount Ibu Erupts Again Tonight (Wednesday, August 20, 2025)

Mount Ibu in North Maluku erupted again on Wednesday (8/20/2025) at 8:00 PM WIT. In the last week, Mount Ibu has erupted 11 times.

Citing eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the height of the ash column observed reached 400 meters above the peak or 1,725 meters above sea level.

The ash column was observed to be grey with thick intensity towards the west. The eruption of Mount Ibu was still ongoing when this report was made.

(Read: 5.1 Magnitude Earthquake Shakes 242 Km West of Kurio,)

According to MAGMA Indonesia's volcanic activity report, Mount Ibu's activity level is at Level II (Alert). Seismicity observations on August 20, 2025, from 00:00-23:59 WIT showed 103 eruption earthquakes with amplitudes of 12-28 millimeters and earthquake durations of 37-79 seconds.

Furthermore, there was 1 exhalation earthquake with an amplitude of 9 millimeters and a duration of 43 seconds, and 31 harmonic earthquakes with amplitudes of 2-28 millimeters and durations of 38-211 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 5,710 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,291 times), while Mount Ibu erupted 2,094 times.

(Read: 10 Countries with the Most Earthquakes in 2023, Indonesia Ranks First)