Warning! Mount Ibu Erupts Again Tonight (Saturday, September 13, 2025)

Mount Ibu in North Maluku erupted again on Saturday (9/13/2025) at 19:37 WIT. In the last week, Mount Ibu has erupted 32 times.

Based on 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 (None meters above sea level).

No visual eruption was observed. The eruption was recorded on a seismograph with a maximum amplitude of 28 millimeters and a duration of 66 seconds.

(Read: Countries with the Most Active Volcanoes in the World, Indonesia Ranks First)

According to MAGMA Indonesia''s volcano activity report, Mount Ibu''s activity level is at Level II (Alert). Seismic observations on September 13, 2025, from 00:00-23:59 WIT showed 87 eruption tremors with amplitudes of 12-28 millimeters and durations of 30-179 seconds.

Then, 28 harmonic tremors with amplitudes of 2-28 millimeters and durations of 26-289 seconds, and 69 low-frequency tremors with amplitudes of 2-8 millimeters and durations of 17-29 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 6,083 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,438 times), while Mount Ibu erupted 2,234 times.

(Read: Indonesia Has the Most Active Volcanoes in the World)