Mount Ibu Erupts Again Tonight (Wednesday, October 1, 2025)

Mount Ibu in North Maluku erupted again on Wednesday (1/10/2025) at 00:04 WIT. In the last week, Mount Ibu has erupted 16 times.

Based on 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 600 meters above the peak or 1,925 meters above sea level.

The ash column was observed to be gray with thick intensity towards the southwest. The eruption was recorded on a seismograph with a maximum amplitude of 28 millimeters and a duration of 74 seconds.

(Read: 5 Provinces with the Most Forest and Land Fire Hotspots in Peat Ecosystems Until August 2025)

According to MAGMA Indonesia's volcano activity report, Mount Ibu's activity level is at Level II (Alert). Seismic observations on October 1, 2025, from 00:00-23:59 WIT showed 101 eruption/explosion earthquakes with amplitudes of 14-28 millimeters and durations of 32-81 seconds.

Additionally, there were 2 rockfall earthquakes with an amplitude of 2 mm and durations of 33-43 seconds, and 5 exhalation earthquakes with amplitudes of 4-10 millimeters and durations of 35-43 seconds.

PVMBG urges the public around Mount Ibu and visitors/tourists not to engage in activities within a 2-kilometer radius and a 3.5-kilometer sectoral expansion towards the crater opening in the northern part of Mount Ibu's active crater.

Throughout 2025, MAGMA Indonesia has recorded 6,476 volcano eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,537 times), while Mount Ibu erupted 2,331 times.

(Read: Due to Forest and Land Fires, Acute Respiratory Infection (ARI) in South Kalimantan Reached 189 Thousand Cases by September 2023)