The Center for Volcanology and Geological Hazard Mitigation explained that the first eruption occurred at 8:45 PM local time on Friday, producing an ash column about 10,000 meters high. The second eruption, which was more powerful, happened at 1:26 AM on Saturday, and the resulting ash column rose to about 18,000 meters. The ash was observed moving towards the southwest, west, and northwest, ranging in color from dark gray to black.
According to the monitoring center, the eruption was accompanied by a loud booming sound and a high roaring noise heard from the volcano’s vicinity. Seismic data showed that the maximum explosive amplitude reached 47.3 millimeters, and the tremor caused by the eruption lasted approximately 14 minutes and 5 seconds.
The volcano remains on high alert, with the level maintained at four, the highest level in the Indonesian warning system.
