Mount Ibu Erupts Again Tonight (Friday, August 1, 2025)

Mount Ibu in North Maluku erupted again on Friday (1/8/2025) at 22:13 WIT. In the last week, Mount Ibu has erupted 30 times.

Based on 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 700 meters above the peak or 2,025 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 28 millimeters and a duration of 65 seconds.

(Read: Here are the 10 Largest Earthquakes in History, Two of Them from Indonesia)

According to the MAGMA Indonesia volcano activity report, Mount Ibu's activity level is at Level II (Alert). Seismic observations on August 1, 2025, from 00:00-23:59 WIT showed 127 eruption earthquakes with amplitudes of 14-28 millimeters and durations of 48-81 seconds.

Additionally, 9 times of exhalation earthquakes with amplitudes of 4-13 millimeters and durations of 41-56 seconds, and 29 times of harmonic tremors with amplitudes of 2-28 millimeters and durations of 56-315 seconds occurred.

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 5,415 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,173 times) while Mount Ibu erupted 2,005 times.

(Read: 4.1 M Earthquake Shakes Phala, Hawaii)