The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Tambora on 10 September 2025 (local). The alert level at Tambora remained at „Level 1 – Normal“ (on a 4-level scale). There were 2 seismically detected rockfalls.
Source: Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG)
Current Alerts:
Observatory alert level: „Level 1 – Normal“ (on a 4-level scale)
Aviation Alert Level: unavailable or not collected
Adapted from: Smithsonian / USGS Daily Volcanic Activity Report for Sep 10, 2025