Warning! Mount Ibu Erupts Again Tonight (Monday, September 29, 2025)

Mount Ibu in North Maluku erupted again on Monday (September 29, 2025) at 10:06 PM WIT. In the last week, Mount Ibu has erupted 9 times.

Reporting eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the height of the observed ash column was approximately 400 meters above the peak or 1,725 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: Many Forest Fires in Concession Areas, Especially Oil Palm Concessions)

According to MAGMA Indonesia's volcano activity report, Mount Ibu's activity level is at Level II (Alert). Seismic observations on September 29, 2025, from 00:00-23:59 WIT showed 102 eruption earthquakes with amplitudes of 15-28 millimeters and durations of 30-70 seconds.

Furthermore, 2 exhalation earthquakes with amplitudes of 4-6 millimeters and durations of 34-35 seconds, and 19 harmonic earthquakes with amplitudes of 2-20 millimeters and durations of 28-125 seconds occurred.

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 6,448 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,531 times), while Mount Ibu erupted 2,324 times.

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