
Dukono Volcano Volcanic Ash Advisory: VA OBS TO FL070 MOV NE AT 21/0230Z OBS VA DTG: 21/0230Z to 7000 ft (2100 m)
Ibu Volcano Volcanic Ash Advisory: VA TO FL070 OBS AT 20/2220Z MOV NE OBS VA DTG: 20/2220Z to 7000 ft (2100 m)
Tengger Caldera Volcano (Indonesia) activity update Sep 19, 2025 – Unrest
The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Tengger Caldera on 19 September 2025 (local). The alert level remained at „Level 2 – Alert“ (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 2 – Alert“ (on a 4-level scale)
Aviation Alert Level: unavailable or not collected
Adapted from: Smithsonian / USGS Daily Volcanic Activity Report for Sep 19, 2025