Warning! Mount Ibu Erupts Again This Morning (Friday, October 3, 2025)

Mount Ibu in North Maluku erupted again on Friday (3/10/2025) at 09:10 WIT. In the last week, Mount Ibu has erupted 30 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 observed reached 500 meters above the peak (1,825 meters above sea level).

The ash column was observed to be gray with thick intensity towards the northwest. The eruption was recorded on a seismograph with a maximum amplitude of 28 millimeters and a duration of 59 seconds.

(Read: Floods Dominated Natural Disasters in Indonesia at the End of February 2024)

According to MAGMA Indonesia's volcano activity report, the activity level of Mount Ibu is at Level II (Alert). Seismicity observations on October 3, 2025, from 00:00-23:59 WIT showed 101 eruption/explosion earthquakes with amplitudes of 12-28 millimeters and earthquake durations of 32-74 seconds.

Additionally, there were 3 exhalation earthquakes with amplitudes of 4-8 millimeters and durations of 34-42 seconds, and 13 harmonic earthquakes with amplitudes of 2-28 millimeters and durations of 26-138 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 6,512 volcanic eruptions across Indonesia. Mount Semeru in East Java erupted the most (2,548 times), while Mount Ibu erupted 2,345 times.

(Read: Floods and Extreme Weather, the Most Frequent Natural Disasters in Indonesia Until Early August 2023)