Mount Ibu Erupts Again Tonight (Friday, September 19, 2025)

Mount Ibu in North Maluku erupted again on Friday (9/19/2025) at 10:53 PM WIT. In the last week, Mount Ibu has erupted 27 times.

According to 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.

No visual eruption was observed. The eruption was recorded on a seismograph with a maximum amplitude of 28 millimeters and a duration of 65 seconds.

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

According to MAGMA Indonesia''s volcanic activity report, Mount Ibu''s activity level is at Level II (Alert). Seismicity observations on September 19, 2025, from 00:00-23:59 WIT showed 97 eruption/explosion earthquakes with an amplitude of 15-28 millimeters and an earthquake duration of 32-90 seconds.

Then, 1 exhalation earthquake with an amplitude of 5 millimeters and an earthquake duration of 34 seconds, and 18 harmonic tremors with an amplitude of 2-28 millimeters and an earthquake duration of 22-210 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 6,157 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,462 times), while Mount Ibu erupted 2,267 times.

(Read: Trends in Volcanic Eruptions in Recent Years)