Warning! Mount Ibu Erupts Again This Afternoon (Tuesday, April 21, 2026)

Mount Ibu in North Maluku erupted again on Tuesday (April 21, 2026) at 15:35 WIT. In the past week, Mount Ibu has erupted 8 times.

Based on eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the observed ash column height is around None meters above the peak (None meters above sea level).

No eruption visuals were observed. The eruption was recorded on the seismograph with a maximum amplitude of 28 millimeters and a duration of 52 seconds.

(Read: Volcanic Eruption Trends in Recent Years)

According to the MAGMA Indonesia volcanic activity report, Mount Ibu's activity level is at Level II (Warning). Seismic observations on April 21, 2026, from 00:00 to 23:59 WIT showed 126 eruption/explosion earthquakes with amplitudes of 13-28 millimeters and durations of 34-76 seconds.

Additionally, there were 4 emission earthquakes with amplitudes of 2-11 millimeters and durations of 37-47 seconds, as well as 11 harmonic earthquakes with amplitudes of 2-10 millimeters and durations of 51-117 seconds.

PVMBG advises residents around Mount Ibu and visitors/tourists not to carry out activities within a 2-kilometer radius and a 3.5-kilometer sectoral extension towards the crater opening in the northern part of Mount Ibu's active crater.

In 2026, MAGMA Indonesia has recorded 1,588 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (843 times), while Mount Ibu erupted 574 times.

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