Mayon (Luzon Island, Philippines): (11 Nov) An eruption was reported at Mayon with ash observed at 04:00 UTC on 11 November 2026. No ash cloud was identifiable in satellite data at that time; forecasts are not available.
Original VAAC bulletin: eruption reported as of 11 Nov 2026, 04:00 UTC
Karangetang (Siau Island, Sangihe Islands, Indonesia): A ground report indicated an eruption at Karangetang at 09:59 UTC on November 11, but no ash plume height was provided and ash was not detected by satellite. Forecasts expect any ash to dissipate within 3–6 hours.
Original VAAC bulletin: ash plume height not reported as of latest observation
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.
Original VAAC bulletin: ash plume to 7,000 ft (2,100 m) as of Nov 11, 17:37 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.
Original VAAC bulletin: ash plume to 15,000 ft (4,600 m) as of Nov 11, 11:11 UTC
Dukono (Halmahera): (10 Nov) Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 9000 ft (2700 m), or flight level 090, and moving at 15 kts in SW direction.
Original VAAC bulletin: ash plume to 9,000 ft (2,700 m) as of Nov 10, 22:20 UTC
Popocatépetl (Central Mexico): 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, and moving at 5 kts in S direction.
Original VAAC bulletin: ash plume to 20,000 ft (6,100 m) as of Nov 11, 13:16 UTC
Santiaguito (Guatemala): (11 Nov) Satellite observations reported an ash plume from Santiaguito reaching 13,000 ft (4,000 m) at 06:40 UTC on 11 November 2026. Forecasts indicate possible light and variable movement of ash to the south and southeast through the next 12 hours.
Original VAAC bulletin: ash plume to 13,000 ft (4,000 m) as of 11 Nov 2026, 06:40 UTC
Fuego (Guatemala): Ongoing volcanic ash emissions are reported at Fuego. Ash was not detected by satellite due to weather clouds, but emissions are likely continuing based on recent activity. Forecasts indicate possible ash presence up to FL140 in the next 18 hours.
Original VAAC bulletin: Fuego Volcanic Ash Advisory
Puracé (Colombia): Volcanic ash emissions were reported for Puracé. No ash plume height was observed or specified as of the latest advisory issued at 11 November 2026, 11:52 UTC.
Original VAAC bulletin: Puracé Volcanic Ash Advisory
Sangay (Ecuador): (11 Nov) Possible volcanic ash emissions were reported for Sangay, but no ash plume or height was observed as of the latest bulletin. Forecasts indicate potential southwest movement of ash, with no ash expected after 11 November at 15:30 UTC.
Original VAAC bulletin: Sangay Volcanic Ash Advisory
Reventador (Ecuador): Ongoing volcanic ash emissions have been observed at Reventador. The latest advisory was issued at 16:53 UTC on 11 November 2026; ash height was not specified.
Original VAAC bulletin: Reventador Volcanic Ash Advisory
Nevados de Chillán (Central Chile): (11 Nov) The Volcanic Ash Advisory Center (VAAC) Buenos Aires issued the following bulletin.
Original VAAC bulletin: NO VA EMSSION