Map of today's active volcanoesEtna (Sicily, Italy): (18 Sep) A weak ash emission from Etna was reported ongoing, but no ash cloud was identified in satellite data as of 05:30 UTC on 18 September 2026. Forecasts indicate no volcanic ash expected in the following 18 hours.Original VAAC bulletin: no ash plume observed as of 05:30 UTC, 18 Sep 2026Sheveluch (Kamchatka): (17 Sep) An eruption was reported at Sheveluch at 22:35 UTC on 17 September 2026, but no volcanic ash cloud was identifiable in satellite data as of 22:50 UTC. No forecast information is available.Original VAAC bulletin: no ash plume observed as of 22:50 UTCSakurajima (Kyushu, Japan): (18 Sep) An ash cloud was reported southwest of Sakurajima at FL080 at 06:32 UTC, but no ash was identifiable in satellite data as of 06:40 UTC on 18 September 2026. No further advisories are planned unless new ash is detected.Original VAAC bulletin: no ash plume observed as of 18 Sep 2026, 06:40 UTCMayon (Luzon Island, Philippines): An eruption was reported at Mayon on 18 September 2026 at 15:03 UTC, but the ash cloud height was unknown as of the latest observation at 15:20 UTC. No volcanic ash was identifiable from satellite data.Original VAAC bulletin: ash cloud reported, height unknown as of 18 Sep 2026, 15:20 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 18, 10:04 UTCAmbrym (Vanuatu): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Wellington warned of a volcanic ash plume rising to an estimated 10000 ft (3000 m), or flight level 100, and moving at 15 kts in E direction.Original VAAC bulletin: ash plume to 10,000 ft (3,000 m) as of Sep 18, 20:11 UTCSantiaguito (Guatemala): Possible continuing volcanic ash emissions are reported for Santiaguito. Ash was not observed in satellite or webcam imagery due to cloud cover; the advisory is based on model estimates as of September 18, 2026, at 18:20 UTC.Original VAAC bulletin: Santiaguito Volcanic Ash AdvisoryFuego (Guatemala): Ongoing volcanic ash emissions were reported at Fuego. Ash movement and forecasts are provided, but no specific observed ash plume height or observation time was given in this bulletin.Original VAAC bulletin: Fuego Volcanic Ash AdvisoryReventador (Ecuador): Ongoing volcanic ash emissions have been reported at Reventador. Ash movement is forecast toward the west to northwest through 19 September 2026, with occasional emissions observed on webcam and satellite imagery obscured by weather clouds.Original VAAC bulletin: Reventador Volcanic Ash AdvisoryVolcano Activity Summary for 18 Sep 2026: