Warning! Mount Ibu Erupts Again Tonight (Tuesday, September 2, 2025)

Mount Ibu in North Maluku erupted again on Tuesday (2/9/2025) at 18:53 WIT. In the last week, Mount Ibu has erupted 8 times.

Citing 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 700 meters above the peak or 2,025 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 69 seconds.

(Read: A 4.5 M Earthquake Shakes 94 Km Southwest of Banda Aceh,)

According to MAGMA Indonesia''s volcanic activity report, Mount Ibu''s activity level is at Level II (Alert). Seismic observations on September 2, 2025, from 00:00-23:59 WIT showed 115 eruption/explosion earthquakes with an amplitude of 15-28 millimeters and a duration of 33-68 seconds.

Furthermore, there were 13 harmonic earthquakes with an amplitude of 3-28 millimeters and a duration of 44-393 seconds, and 107 low-frequency earthquakes with an amplitude of 2-14 millimeters and a duration of 15-28 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 5,932 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,376 times), while Mount Ibu erupted 2,172 times.

(Read: A 4.7 M Earthquake Shakes the Bonin Islands Region,)