Warning! Mount Ibu Erupts Again Tonight (Tuesday, September 23, 2025)

Mount Ibu in North Maluku erupted again on Tuesday (9/23/2025) at 18:52 WIT. In the last week, Mount Ibu has erupted 6 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 None meters above the peak or None meters above sea level.

Visual eruption was not observed. The eruption was recorded on a seismograph with a maximum amplitude of 28 millimeters and a duration of 58 seconds.

(Read: Indonesia Becomes the Country Most Frequently Hit by Earthquakes per 2025)

According to the MAGMA Indonesia volcano activity report, Mount Ibu''s activity level is at Level II (Alert). Seismic observations on September 23, 2025, from 00.00-23.59 WIT showed 80 eruption earthquakes with amplitudes of 8-28 millimeters and durations of 30-102 seconds.

Then, 3 times of exhalation earthquakes with amplitudes of 3-10 millimeters and durations of 30-44 seconds, and 18 harmonic earthquakes with amplitudes of 2-28 millimeters and durations of 21-265 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 6,296 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,478 times) while Mount Ibu erupted 2,284 times.

(Read: 4.1 M Earthquake Shakes 2 Km East of Cartago, Costa Rica)