The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Lewotobi (Laki-Laki) on 22 September 2025 (local). There was 1 seismically detected rockfall. There was 1 explosion reported, with plumes rising to a maximum of 600 m (1,969 ft) above the vent. There was 1 explosion reported, with plumes rising to a maximum of 800 m (2,625 ft) above the vent. There was 1 explosion reported, with plumes rising to a maximum of 1,000 m (3,281 ft) above the vent. There was 1 explosion reported, with plumes rising to a maximum of 2,000 m (6,562 ft) above the vent. There was 1 explosion reported, with plumes rising to a maximum of 1,600 m (5,249 ft) above the vent. There was 1 explosion reported, with plumes rising to a maximum of 1,500 m (4,921 ft) above the vent. There was 1 explosion reported, with plumes rising to a maximum of 500 m (1,640 ft) above the vent. There was 1 explosion reported, with plumes rising to a maximum of 1,200 m (3,937 ft) above the vent. There was 1 seismically detected explosion reported. There was 1 explosion reported, with plumes rising to a maximum of 3,000 m (9,843 ft) above the vent. There were 2 seismically detected explosions reported. There was 1 explosion reported, with plumes rising to a maximum of 200 m (656 ft) above the vent. The alert level remained at "Level 4 - Caution" (on a 4-level scale). Source: Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG)Current Alerts:Observatory alert level: "Level 4 - Caution" (on a 4-level scale)Aviation Alert Level: unavailable or not collectedAdapted from: Smithsonian / USGS Daily Volcanic Activity Report for Sep 22, 2025