Map of today's active volcanoesStromboli (Eolian Islands, Italy): (11 Oct) Our group on the ongoing tour to Italy's Volcanoes visited the volcano again on the evening of 10 Oct 2027, observing strombolian activity from the summit craters.Eruptions occurred at roughly regular intervals of every 5-10 minutes. The summit activity continued from the Northwest and Northeast crater vents producing strombolian eruptions. Glowing lava bombs were thrown to the upper crater area, some of them turned into small rock fall avalanches tumbling down the Sciara del Fuoco flank.Kanlaon (Central Philippines): The Volcanic Ash Advisory Center (VAAC) Tokyo issued the following bulletin.Original VAAC bulletin: ERUPTION AT 20261011/1600Z FL090 EXTD NW REPORTED OBS VA DTG: 11/1550Z...11 Oct:A strong explosion took place from the volcano's summit crater yesterday.At about 12:45 PM local time, a towering pillar of gas, ash and other ejecta rose to about 5-6 km altitude, drifting northwest.The alert level for the vocano remains at Level 2.Manam (Papua New Guinea): The Volcanic Ash Advisory Center (VAAC) Darwin issued the following bulletin.Original VAAC bulletin: CONTINUOUS VA OBS TO FL070 AT 11/1140Z MOV NWKarangetang (Siau Island, Sangihe Islands, Indonesia): (11 Oct) 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 10 kts in NW direction.Original VAAC bulletin: ash plume to 8,000 ft (2,400 m) as of Oct 11, 08:32 UTCIbu (Halmahera, Indonesia): The Volcanic Ash Advisory Center (VAAC) Darwin issued the following bulletin.Original VAAC bulletin: VA REP FM GND AT 11/1104Z EST VA DTG: 11/1830ZLewotolo (Lesser Sunda Islands): 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 Oct 11, 10:10 UTCSemeru (East Java, Indonesia): (11 Oct) 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 Oct 11, 00:00 UTCDukono (Halmahera): 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 Oct 11, 15:20 UTCFuego (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 Oct 11, 17:30 UTCPuracé (Colombia): Ongoing volcanic ash emissions are reported at Puracé. No ash plume height was observed or reported as of the latest advisory on October 11, 2026, at 20:14 UTC.Original VAAC bulletin: Puracé Volcanic Ash AdvisorySangay (Ecuador): (11 Oct) Possible volcanic ash emissions were reported for Sangay, but no ash plume or height was observed in satellite imagery as of October 11, 2026, 04:00 UTC. Forecasts indicate potential movement to the west-southwest, with no ash expected after 16:00 UTC.Original VAAC bulletin: Sangay Volcanic Ash AdvisoryReventador (Ecuador): Volcanic ash emissions were observed on webcam at Reventador. The advisory includes movement and height estimates based on webcam and model data, with forecasts for ash cloud movement over the next 18 hours.Original VAAC bulletin: Reventador Volcanic Ash AdvisoryNevados de Chillán (Central Chile): (10 Oct) As of 21:20 UTC on 10 October 2026, weak emissions were observed at Nevados de Chillán, but no volcanic ash cloud was identifiable from satellite data. No further advisories are expected.Original VAAC bulletin: weak emissions as of 10 Oct 2026, 21:20 UTCVolcano Activity Summary for 11 Oct 2026: