Mount Ibu Erupts Again Tonight (Sunday, September 21, 2025)

Mount Ibu in North Maluku erupted again on Sunday (21/9/2025) at 00:12 WIT. In the last week, Mount Ibu has erupted 30 times.

Citing eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the height of the ash column was observed to reach None meters above the peak (None meters above sea level).

The visual eruption was not observed. The eruption was recorded on a seismograph with a maximum amplitude of 28 millimeters and a duration of 49 seconds.

(Read: Flood Victims in Bali, 9 People Died (Wednesday, September 10, 2025))

According to the MAGMA Indonesia volcano activity report, the activity level of Mount Ibu is at Level II (Alert). Seismicity observations on September 21, 2025, from 00:00-23:59 WIT, showed 62 eruption/explosion earthquakes with amplitudes of 15-28 millimeters and durations of 32-74 seconds.

Then, 6 harmonic earthquakes with amplitudes of 2-11 millimeters and durations of 23-88 seconds, and 47 low-frequency earthquakes with amplitudes of 2-10 millimeters and durations of 17-29 seconds.

PVMBG urges the public around Mount Ibu and visitors/tourists not to engage in activities within a radius of 2 kilometers 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 6,189 volcano eruptions/explosions across Indonesia. Mount Semeru in East Java had the most eruptions (2,464 times), while Mount Ibu erupted 2,270 times.

(Read: Number of Flooded Houses in Jabodetabek on July 6, 2025, Tangsel Most Affected)