Kanlaon (Central Philippines): An eruption was reported at Kanlaon, with volcanic ash observed as of 19 September 2026, 16:00 UTC. Ash was not identifiable from satellite data at that time.
Original VAAC bulletin: eruption reported as of 19 Sep 2026, 16:00 UTC
Mayon (Luzon Island, Philippines): An eruption was reported at Mayon at 08:52 UTC on 19 September 2026, but no volcanic ash cloud was identifiable in satellite data as of 09:00 UTC. No further advisories are planned unless ash is detected.
Original VAAC bulletin: no ash plume observed as of 09:00 UTC
Ibu (Halmahera, Indonesia): 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 05 kts in NE direction.
Original VAAC bulletin: ash plume to 7,000 ft (2,100 m) as of Sep 19, 10:03 UTC
Lewotolo (Lesser Sunda Islands): (18 Sep) A volcanic ash advisory has been issued for Lewotolo. Ash was reported from the ground at 18 Sep 10:51 UTC, with movement towards the west at 10 knots. The ash cloud height is estimated based on satellite, ground reports, and model guidance, but was not identifiable on satellite imagery.
Original VAAC bulletin: Lewotolo Volcanic Ash Advisory
Semeru (East Java, Indonesia): A ground-based report indicated a volcanic ash emission from Semeru at 19 September 2026, 04:14 UTC, with ash estimated to be moving east at 25 knots as of 09:20 UTC. The ash cloud was not identifiable on satellite imagery due to meteorological clouds; forecasts indicate intermittent emissions may continue.
Original VAAC bulletin: Semeru Volcanic Ash Advisory
Ambrym (Vanuatu): No observed ash plume height was reported for Ambrym as of 19 September 13:40 UTC. The advisory notes unknown eruption details and no further advisories are expected.
Original VAAC bulletin: no ash plume height observed as of 19 Sep 13:40 UTC
Santiaguito (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 19, 15:50 UTC
Fuego (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, and moving at 5 kts in N direction.
Original VAAC bulletin: ash plume to 14,000 ft (4,300 m) as of Sep 19, 12:10 UTC
Masaya (Nicaragua): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 5000 ft (1500 m), or flight level 050.
Original VAAC bulletin: ash plume to 5,000 ft (1,500 m) as of Sep 19, 15:10 UTC
Puracé (Colombia): Satellite and webcam data as of 19 September 2026, 11:30 UTC, show no identifiable volcanic ash from Puracé. No further advisories are expected.
Original VAAC bulletin: no ash plume observed as of 19 Sep 2026, 11:30 UTC
Sangay (Ecuador): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 23000 ft (7000 m), or flight level 230.
Original VAAC bulletin: ash plume to 23,000 ft (7,000 m) as of Sep 19, 18:00 UTC
Reventador (Ecuador): 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, and moving at 15 kts in NW direction.
Original VAAC bulletin: ash plume to 14,000 ft (4,300 m) as of Sep 19, 11:50 UTC
