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 16000 ft (4900 m), or flight level 160, and moving at 20 kts in SE direction.Original VAAC bulletin: ash plume to 16,000 ft (4,900 m) as of Aug 17, 15:00 UTC...17 Aug:As expected, the calm at the volcano did not last very long: yet another new fissure vent opened this morning in the Valle del Bove at 06:09 UTC (07:09 local time), at an elevation between 2,200 and 2,350 m, producing a new lava flow.At the same time, intense explosive activity has resumed at the Voragine summit crater and is now producing an ash plume rising a few kilometers and drifting towards the SE. ... [read more] ... [show less] Following the slow increase of volcanic tremor yesterday afternoon, it peaked around 17:40 UTC yesterday evening, then decreased again a bit, but has remained within the high-value range. The source of the tremor corresponds to under the Voragine crater area at an elevation of approximately 3,000 m above sea level.Since yesterday afternoon, infrasonic activity (indicating explosions) has fluctuated significantly within the low-to-medium range. Infrasonic events, ranging from low to medium amplitude, have been—and continue to be—generated primarily by the Voragine crater; to a lesser extent, infrasonic sources have also been located at the North-East Crater.Klyuchevskoy (Kamchatka): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Tokyo warned of a volcanic ash plume rising to an estimated 22000 ft (6700 m), or flight level 220, and moving at 30 kts in SE direction.Original VAAC bulletin: ash plume to 22,000 ft (6,700 m) as of Aug 17, 17:20 UTC...17 Aug:A new eruption entered the volcano on 16 August.Grey, dense emissions rose from the summit vent, reaching an altitude of 6,000 m (19,680 ft). The plume propagated about 420 km to the southeast of the volcano. ... [read more] ... [show less] The activity was associated with a lava fountaining phase atop the summit (known as paroxysm). Glowing rock falls followed the lava flow as collapsing parts of the flow generated small pyroclastic flows through the Apakhonchich chute.Sakurajima (Kyushu, Japan): An eruption was reported at Sakurajima at 11: no ash plume identifiable as of 17 Aug 2026, 11:20 UTCIbu (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 Aug 17, 09:20 UTCLewotobi (Flores): Volcanic ash was last reported from Lewotobi at 17/1219Z, but no ash plume height was observed or provided in the latest bulletin. Forecasts indicate possible ash clouds at various flight levels in the coming hours.Original VAAC bulletin: Krakatau (Sunda Strait, 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 Aug 17, 13:40 UTC...17 Aug:Two vigorous vulcanian-type ash jets have taken place from the cinder cone's crater this morning.At 06:26 and 09:22 AM local time, thick, ash-laden plumes erupted about 400 meters above the crater. ... [read more] ... [show less] The volcano observatory reported a seismic signal with a maximum amplitude of 57 mm and a duration of 107 and 32 seconds.Semeru (East Java, Indonesia): An eruption was reported at Semeru at 17/1316Z. Ash cloud height and movement are estimated based on earlier satellite imagery and ground reports; latest satellite imagery does not show identifiable ash.Original VAAC bulletin: Dukono (Halmahera): (16 Aug) 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 Aug 16, 22:25 UTCAoba (Vanuatu): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Wellington warned of a volcanic ash plume rising to an estimated 15000 ft (4600 m), or flight level 150, and moving at 10 kts in SE direction.Original VAAC bulletin: ash plume to 15,000 ft (4,600 m) as of Aug 17, 09:37 UTCPopocatépetl (Central Mexico): No volcanic ash was observed from Popocatépetl as of 14: no ash plume observed as of 17 Aug 2026, 14:36 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 Aug 17, 09:20 UTCFuego (Guatemala): The Volcanic Ash Advisory Center (VAAC) Washington issued the following bulletin.Original VAAC bulletin: VA EMS ONGOINGPuracé (Colombia): The Volcanic Ash Advisory Center (VAAC) Washington issued the following bulletin.Original VAAC bulletin: ONGOING VA EMSReventador (Ecuador): (17 Aug) The Volcanic Ash Advisory Center (VAAC) Washington issued the following bulletin.Original VAAC bulletin: PSBL VA EMSVolcano Activity Summary for 17 Aug 2026: