Mount Ibu Erupts Again Tonight (Sunday, September 14, 2025)

Mount Ibu in North Maluku erupted again on Sunday (September 14, 2025) at 21:09 WIT (Eastern Indonesia Time). In the last week, Mount Ibu has erupted 38 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 300 meters above the peak (1,625 meters above sea level).

The observed ash column was gray with moderate to thick intensity towards the northwest. The eruption was recorded on a seismograph with a maximum amplitude of 11 millimeters and a duration of 61 seconds.

(Read: Kurious Survey: Many People Feel Indonesia''s Air Quality is Poor)

According to the MAGMA Indonesia volcano activity report, Mount Ibu''s activity level is at Level II (Alert). Seismic observations on September 14, 2025, from 00:00-23:59 WIT showed 93 eruption/volcanic earthquakes with amplitudes of 15-28 millimeters and a duration of 25-74 seconds.

Subsequently, there were 4 exhalation earthquakes with amplitudes of 3-7 millimeters and a duration of 32-47 seconds, and 16 harmonic earthquakes with amplitudes of 2-28 millimeters and a duration of 42-231 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 6,097 volcano eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,445 times), while Mount Ibu erupted 2,240 times.

(Read: How Do Residents Identify Clean Air Amid Poor Air Quality?)