Map of today's active volcanoesEtna (Sicily, Italy): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Toulouse warned of a volcanic ash plume rising to an estimated 18000 ft (5500 m), or flight level 180, and moving at 15 kts in E direction.Original VAAC bulletin: ash plume to 18,000 ft (5,500 m) as of Sep 17, 16:00 UTC...16 Sep:INGV raised Etna's aviation color code from orange to red on 16 September as ash emissions continued, with the plume drifting south.Langila (New Britain, Papua New Guinea): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 8000 ft (2400 m), or flight level 080, and moving at 05 kts in SW direction.Original VAAC bulletin: ash plume to 8,000 ft (2,400 m) as of Sep 17, 09:10 UTCIbu (Halmahera, Indonesia): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 8000 ft (2400 m), or flight level 080.Original VAAC bulletin: ash plume to 8,000 ft (2,400 m) as of Sep 17, 10:10 UTCLewotolo (Lesser Sunda Islands): (17 Sep) Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 6000 ft (1800 m), or flight level 060, and moving at 15 kts in NW direction.Original VAAC bulletin: ash plume to 6,000 ft (1,800 m) as of Sep 17, 05:10 UTCKrakatau (Sunda Strait, Indonesia): (17 Sep) The NW island to Krakatau, Sertung (formerly "Verlaten"), has been totally covered by tephra (volcanic ash and bombs that fall to the ground), as seen in the attached timelapse on 8 August and 15 September.Merapi (Central Java, Indonesia): (16 Sep) Merapi remained at Level III (Siaga) as lava avalanches continued and monitoring indicated growth of its southwestern lava dome.Semeru (East Java, Indonesia): (17 Sep) 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 25 kts in E direction.Original VAAC bulletin: ash plume to 15,000 ft (4,600 m) as of Sep 17, 06:10 UTCDukono (Halmahera): (17 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 10 kts in NE direction.Original VAAC bulletin: ash plume to 7,000 ft (2,100 m) as of Sep 17, 01:50 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 17, 13:20 UTCFuego (Guatemala): 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 17, 16:10 UTCPuracé (Colombia): As of 09:00 UTC on 17 September 2026, no volcanic ash emissions were observed from Puracé. No further advisories are expected.Original VAAC bulletin: no ash plume observed as of 17 Sep 2026, 09:00 UTCSangay (Ecuador): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 20000 ft (6100 m), or flight level 200.Original VAAC bulletin: ash plume to 20,000 ft (6,100 m) as of Sep 17, 11:10 UTCReventador (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 17, 13:40 UTC