Warning! Mount Ibu Erupts Again Tonight (Tuesday, September 9, 2025)

Mount Ibu in North Maluku erupted again on Tuesday (9/9/2025) at 6:00 PM WIT. In the last week, Mount Ibu has erupted 9 times.

According to 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 400 meters above the peak (1,725 meters above sea level).

The ash column was observed to be gray with thick intensity towards the west. The eruption was recorded on a seismograph with a maximum amplitude of 28 millimeters and a duration of 75 seconds.

(Read: Hundreds of Natural Disasters Until Early April 2024, Floods Most Frequent)

According to MAGMA Indonesia''s volcano activity report, Mount Ibu''s activity level is at Level II (Alert). Seismic observations on September 9, 2025, from 00:00-23:59 WIT showed 52 eruption tremors/earthquakes with amplitudes of 11-28 millimeters and durations of 33-85 seconds.

Subsequently, there were 2 exhalation tremors with an amplitude of 2 millimeters and durations of 48-60 seconds, and 17 harmonic tremors with amplitudes of 2-9 millimeters and durations of 22-124 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 6,029 volcano eruptions/events across Indonesia. Mount Semeru in East Java had the most eruptions (2,417 times) while Mount Ibu erupted 2,211 times.

(Read: 1,300 Natural Disasters in Indonesia Until September 2024, Here are the Details)