Warning! Mount Ibu Erupts Again This Early Morning (Tuesday, October 21, 2025)

Mount Ibu in North Maluku erupted again on Tuesday (10/21/2025) at 01:10 WIT. In the last week, Mount Ibu has erupted 6 times.

Reporting 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. The eruption was recorded on a seismograph with a maximum amplitude of 20 millimeters and a duration of 56 seconds.

(Read: Affected by Floods and Landslides, Here is the Population of Cianjur 2024)

According to MAGMA Indonesia's volcano activity report, Mount Ibu's activity level is at Level II (Alert). Seismicity observations on October 21, 2025, from 00:00-23:59 WIT showed 62 eruption earthquakes with amplitudes of 15-28 millimeters and earthquake durations of 30-76 seconds.

Furthermore, 4 emission earthquakes with amplitudes of 6-10 millimeters and earthquake durations of 36-42 seconds, and 14 harmonic tremors with amplitudes of 2-15 millimeters and earthquake durations of 23-58 seconds occurred.

PVMBG urged the public around Mount Ibu and visitors/tourists not to engage in activities within a 2.0-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 6,729 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,651 times), while Mount Ibu erupted 2,419 times.

(Read: 25% of Indonesia's Peat Hydrological Units Prone to High Flooding, Here are the Areas)