Etna (Sicily, Italy): An eruption with ongoing ash emission was reported at Etna, with the latest observation at 10:00 UTC on 25 September 2026. No ash plume height was observed or reported; forecasts indicate continued ash presence.
Original VAAC bulletin: ongoing ash emission as of 25 Sep 2026, 10:00 UTC
Sheveluch (Kamchatka): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Tokyo warned of a volcanic ash plume rising to an estimated 38000 ft (11600 m), or flight level 380, and moving at 35 kts in W direction.
Original VAAC bulletin: ash plume to 38,000 ft (11,600 m) as of Sep 25, 18:20 UTC
Sakurajima (Kyushu, Japan): An eruption was reported at Sakurajima at 12:36 UTC on 25 September 2026, but no volcanic ash cloud was identifiable in satellite data as of 12:30 UTC. No forecast information is available.
Original VAAC bulletin: no ash plume identifiable as of 25 Sep 2026, 12:30 UTC
Ibu (Halmahera, Indonesia): The Volcanic Ash Advisory Center (VAAC) Darwin issued the following bulletin.
Original VAAC bulletin: VA ERUPTION REPORTED AT 25/0605Z MOV N EST VA DTG: 25/0950Z
Lewotolo (Lesser Sunda Islands): (25 Sep) Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 7000 ft (2100 m), or flight level 070, and moving at 15 kts in NW direction.
Original VAAC bulletin: ash plume to 7,000 ft (2,100 m) as of Sep 25, 04:50 UTC
Semeru (East Java, Indonesia): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 15000 ft (4600 m), or flight level 150, and moving at 05 kts in SE direction.
Original VAAC bulletin: ash plume to 15,000 ft (4,600 m) as of Sep 25, 17:15 UTC
Dukono (Halmahera): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 7000 ft (2100 m), or flight level 070.
Original VAAC bulletin: ash plume to 7,000 ft (2,100 m) as of Sep 25, 14:20 UTC
Santiaguito (Guatemala): (25 Sep) The Volcanic Ash Advisory Center (VAAC) Washington issued the following bulletin.
Original VAAC bulletin: NO VA EMS
Fuego (Guatemala): The Volcanic Ash Advisory Center (VAAC) Washington issued the following bulletin.
Original VAAC bulletin: VA EMS CONT
Sangay (Ecuador): Possible volcanic ash emissions were reported for Sangay, but no ash plume was observed in satellite imagery as of 25 September 2026, 18:10 UTC. Forecasts indicate little change in ash cloud movement and height over the next 6 hours.
Original VAAC bulletin: Sangay Volcanic Ash Advisory
Reventador (Ecuador): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 16000 ft (4900 m), or flight level 160.
Original VAAC bulletin: ash plume to 16,000 ft (4,900 m) as of Sep 25, 11:30 UTC