Map of today's active volcanoesIbu (Halmahera, Indonesia): Ground reports indicate volcanic ash emissions from Ibu as of September 12, 2026, 09:30 UTC, with ash movement estimated east at 5 knots. The ash cloud height was not observed directly; forecasts indicate continued movement, but confidence is low due to light winds.Original VAAC bulletin: Ibu Volcanic Ash AdvisoryLewotolo (Lesser Sunda Islands): 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 12, 17:50 UTCSemeru (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.Original VAAC bulletin: ash plume to 15,000 ft (4,600 m) as of Sep 12, 11:43 UTCDukono (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 12, 12:51 UTCSantiaguito (Guatemala): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 14000 ft (4300 m), or flight level 140.Original VAAC bulletin: ash plume to 14,000 ft (4,300 m) as of Sep 12, 17:40 UTCFuego (Guatemala): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 17000 ft (5200 m), or flight level 170.Original VAAC bulletin: ash plume to 17,000 ft (5,200 m) as of Sep 12, 18:20 UTCPuracé (Colombia): A volcanic ash emission was detected at Puracé. Ash movement and forecasts are based on VONA reports and model data; ash was not observed in satellite imagery due to cloud cover.Original VAAC bulletin: Puracé Volcanic Ash AdvisoryReventador (Ecuador): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 15000 ft (4600 m), or flight level 150.Original VAAC bulletin: ash plume to 15,000 ft (4,600 m) as of Sep 12, 11:00 UTC