Warning! Mount Ibu Erupts Again Tonight (Wednesday, September 3, 2025)

Mount Ibu in North Maluku erupted again on Wednesday (September 3, 2025) at 21:53 WIT. In the last week, Mount Ibu has erupted 18 times.

According to eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the ash column was observed to be around 400 meters above the peak or 1,725 meters above sea level.

The ash column was observed to be white to 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 66 seconds.

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

According to MAGMA Indonesia''s volcanic activity report, Mount Ibu''s activity level is at Level II (Alert). Seismic observations on September 3, 2025, from 00:00-23:59 WIT showed 132 eruption tremors/earthquakes with amplitudes of 15-28 millimeters and durations of 32-78 seconds.

Subsequently, 3 exhalation tremors with amplitudes of 4-11 millimeters and durations of 38-54 seconds, and 22 harmonic tremors with amplitudes of 2-28 millimeters and durations of 51-131 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 5,953 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,383 times), while Mount Ibu erupted 2,182 times.

(Read: 4.7 M Earthquake Shakes Bonin Islands Region)