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

Mount Ibu in North Maluku erupted again on Tuesday (9/9/2025) at 21:55 WIT. In the last week, Mount Ibu has erupted 12 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 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 18 millimeters and a duration of 58 seconds.

(Read: At Least 93 People Died Due to Natural Disasters Throughout January-March 2023)

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

Subsequently, 2 exhalation earthquakes with an amplitude of 2 millimeters and durations of 48-60 seconds, and 17 harmonic earthquakes with amplitudes of 2-9 millimeters and durations of 22-124 seconds occurred.

PVMBG urges communities 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 6,033 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,418 times), while Mount Ibu erupted 2,214 times.

(Read: Number of Natural Disaster Victims in Indonesia as of July 8, 2025)