Volcanic ash was seen in webcam images from Reventador as of 08:30 UTC on 4 November 2026. Forecasts indicate possible continued ash presence up to 18 hours after the observation. Original VAAC bulletin:
FVXX21 at 08:59 UTC, 04/11/26 from KNES VA ADVISORY DTG: 20261104/0857Z
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:
FVAU04 at 05:35 UTC, 04/11/26 from ADRM VA ADVISORY DTG: 20261104/0540Z VAAC: DARWIN VOLCANO: DUKONO 268010 PSN: N0142 E12754 AREA: INDONESIA SOURCE ELEV: 1229M AMSL ADVISORY NR: 2026/961 INFO SOURCE: HIMAWARI-9, CVGHM ERUPTION DETAILS: VA TO FL080 OBS AT 04/0520Z MOV NW OBS VA DTG: 04/0520Z OBS VA CLD: SFC/FL080 N0143 E12758 - N0137 E12754 - N0145 E12705 - N0230 E12713 - N0239 E12740 MOV NW 05KT FCST VA CLD +6 HR: 04/1120Z SFC/FL080 N0140 E12757 - N0118 E12719 - N0146 E12705 - N0213 E12715 - N0146 E12757 FCST VA CLD +12 HR: 04/1720Z SFC/FL080 N0140 E12757 - N0111 E12715 - N0143 E12704 - N0147 E12755 FCST VA CLD +18 HR: 04/2320Z SFC/FL080 N0145 E12757 - N0138 E12757 - N0124 E12705 - N0158 E12704 RMK: VA OBS ON SATELLITE MOV NW. VA HEIGHT AND FCST BASED ON SATELLITE IMAGERY AND MODEL GUIDANCE. NXT ADVISORY: NO LATER THAN 20261104/1140Z=
Satellite image of Reventador volcano on 4 Nov 2026
Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 15000 ft (4600 m), or flight level 150. Original VAAC bulletin:
FVXX21 at 02:57 UTC, 04/11/26 from KNES VA ADVISORY DTG: 20261104/0254Z
Sakurajima (Kyushu, Japan): (3 Nov) As of 23:30 UTC on 2 November 2026, no volcanic ash cloud was identifiable from satellite data for Sakurajima. Earlier, ash was reported southeast of the volcano at flight level 040. Original VAAC bulletin:no ash plume observed as of 2 Nov 2026, 23:30 UTC
Mayon (Luzon Island, Philippines): The latest advisory for Mayon reports an observation at 12:00 UTC on 3 November 2026, but the ash plume height is unknown. No further advisories are expected. Original VAAC bulletin:observation as of 3 Nov 2026, 12:00 UTC
Lewotolo (Lesser Sunda Islands): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 6000 ft (1800 m), or flight level 060. Original VAAC bulletin:ash plume to 6,000 ft (1,800 m) as of Nov 3, 15:38 UTC
Semeru (East Java, Indonesia): Intermittent discrete eruptions were reported at Semeru, with ash cloud movement toward the west at 20 knots as of November 3, 2026. Ash height was not identified in satellite imagery; forecasts indicate continued movement at similar levels. Original VAAC bulletin:Semeru Volcanic Ash Advisory
Dukono (Halmahera): 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 Nov 3, 19:10 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 Nov 3, 14:10 UTC
Fuego (Guatemala): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington 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 3, 19:20 UTC
Puracé (Colombia): The Volcanic Ash Advisory Center (VAAC) Washington issued the following bulletin. Original VAAC bulletin:VA EMS PSBL
Sangay (Ecuador): Occasional volcanic ash emissions were reported for Sangay. No ash plume height was observed or estimated as of the latest bulletin on November 3, 2026, at 17:18 UTC. Original VAAC bulletin:Sangay Volcanic Ash Advisory
Reventador (Ecuador): The Volcanic Ash Advisory Center (VAAC) Washington issued the following bulletin. Original VAAC bulletin:OCNL VA EMS
Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 15000 ft (4600 m), or flight level 150. Original VAAC bulletin:
FVXX22 at 19:57 UTC, 03/11/26 from KNES VA ADVISORY DTG: 20261103/1954Z
