Mount Ibu Erupts Again Tonight (Monday, September 8, 2025)

Mount Ibu in North Maluku erupted again on Monday (8/9/2025) at 18:56 WIT. In the last week, Mount Ibu has erupted 2 times.

Citing eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the ash column height was observed to be around 500 meters above the peak or 1,825 meters above sea level.

The ash column was observed to be gray with thick intensity towards the west and northwest. The eruption was recorded on a seismograph with a maximum amplitude of 58 millimeters and a duration of 62 seconds.

(Read: 4.1 M Earthquake Shakes Phala Hawaii)

According to MAGMA Indonesia''s volcanic activity report, Mount Ibu''s activity level is at Level II (Alert). Seismic observations on September 8, 2025, at 00:00-23:59 WIT showed 69 eruption/explosion earthquakes with amplitudes of 16-28 millimeters and durations of 31-78 seconds.

Subsequently, 1 rockfall earthquake with an amplitude of 2 mm and a duration of 44 seconds, and 2 exhalation earthquakes with amplitudes of 4-8 millimeters and durations of 36-42 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 6,013 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,410 times) while Mount Ibu erupted 2,204 times.

(Read: Last Five Earthquakes Recorded by BMKG (Saturday, July 19, 2025 18:25:55 WIB))