Mount Ibu Erupts Again This Morning (Tuesday, July 29, 2025)

Mount Ibu in North Maluku erupted again on Tuesday (July 29, 2025) at 09:55 WIT. In the last week, Mount Ibu has erupted 5 times.

Reporting 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 or 1,725 meters above sea level.

The ash column was observed to be gray with thick intensity towards the northwest. The eruption was recorded on a seismograph with a maximum amplitude of 28 millimeters and a duration of 55 seconds.

(Read: Bekasi Among 10 Areas with Highest Flood Risk in West Java)

According to the MAGMA Indonesia volcano activity report, the activity level of Mount Ibu is at Level II (Alert). Seismic observations on July 29, 2025, from 00:00-23:59 WIT showed 105 eruption/explosion earthquakes with amplitudes of 13-28 millimeters and earthquake durations of 41-96 seconds.

Followed by 8 exhalation earthquakes with amplitudes of 8-12 millimeters and earthquake durations of 32-48 seconds, and 11 harmonic tremors with amplitudes of 2-28 millimeters and earthquake durations of 26-238 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 5,361 volcano eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,155 times) while Mount Ibu erupted 1,980 times.

(Read: Bekasi Flood Risk Index Highest in Jabodetabek)