An ash plume from Semeru was observed on webcam at 02:00 UTC on 27 September 2026, moving southeast. Forecasts indicate continued movement, but the ash was not identifiable on the latest satellite imagery. Original VAAC bulletin:
FVAU02 at 05:18 UTC, 27/09/26 from ADRM VA ADVISORY DTG: 20260927/0520Z VAAC: DARWIN VOLCANO: SEMERU 263300 PSN: S0806 E11255 AREA: INDONESIA SOURCE ELEV: 3657M AMSL ADVISORY NR: 2026/1106 INFO SOURCE: HIMAWARI-9, CVGHM, WEBCAM ERUPTION DETAILS: VA OBS ON WEBCAM AT 27/0200Z MOV SE EST VA DTG: 27/0500Z EST VA CLD: SFC/FL150 S0806 E11251 - S0802 E11255 - S0819 E11324 - S0833 E11324 - S0836 E11312 MOV SE 10KT FCST VA CLD +6 HR: 27/1100Z SFC/FL150 S0808 E11252 - S0802 E11253 - S0758 E11319 - S0811 E11324 - S0822 E11317 FCST VA CLD +12 HR: 27/1700Z SFC/FL150 S0807 E11251 - S0800 E11254 - S0801 E11320 - S0821 E11323 - S0826 E11306 FCST VA CLD +18 HR: 27/2300Z SFC/FL150 S0806 E11251 - S0801 E11255 - S0806 E11324 - S0827 E11324 - S0832 E11304 RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY. GROUND REPORTS INDICATE INTERMITTENT ERUPTIONS ARE ONGOING. HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND REPORTS AND MODEL GUIDANCE. NXT ADVISORY: NO LATER THAN 20260927/1120Z=
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. Original VAAC bulletin:
FVXX25 at 23:44 UTC, 26/09/26 from KNES VA ADVISORY DTG: 20260926/2341Z
RMK: VA EMS OBS ON STLT MVG W APPRX 35 NM FM SUMMIT. VA PSBLY SEEN ON WEBCAM BETWEEN WX CLDS. A GEN W TO WSW MVMT EXP THRU T+18. FL AND FCST BASED ON NWP MDLS. ...EVANS
Etna (Sicily, Italy): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Toulouse warned of a volcanic ash plume rising to an estimated 15000 ft (4600 m), or flight level 150, and moving at 35 kts in S direction. Original VAAC bulletin:ash plume to 15,000 ft (4,600 m) as of Sep 26, 16:00 UTC
Sheveluch (Kamchatka): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Tokyo warned of a volcanic ash plume rising to an estimated 28000 ft (8500 m), or flight level 280, and moving at 50 kts in SE direction. Original VAAC bulletin:ash plume to 28,000 ft (8,500 m) as of Sep 26, 17:20 UTC
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 Sep 26, 15:54 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 7000 ft (2100 m), or flight level 070, and moving at 10 kts in W direction. Original VAAC bulletin:ash plume to 7,000 ft (2,100 m) as of Sep 26, 10:47 UTC
Dukono (Halmahera): (26 Sep) 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, and moving at 05 kts in NE direction. Original VAAC bulletin:ash plume to 15,000 ft (4,600 m) as of Sep 26, 07:00 UTC
Popocatépetl (Central Mexico): (25 Sep) 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. Original VAAC bulletin:ash plume to 20,000 ft (6,100 m) as of Sep 25, 21:01 UTC
Fuego (Guatemala): The Volcanic Ash Advisory Center (VAAC) Washington issued the following bulletin. Original VAAC bulletin:VA EMS ONGOING
Puracé (Colombia): Possible volcanic ash emissions were reported for Puracé, but no ash plume was observed on satellite or webcam as of 26 September 2026, 15:40 UTC. Forecasts indicate potential northwest movement of ash, with no ash expected after 27 September 2026, 03:30 UTC. Original VAAC bulletin:Puracé Volcanic Ash Advisory
Sangay (Ecuador): The Volcanic Ash Advisory Center (VAAC) Washington issued the following bulletin. Original VAAC bulletin:PSBL CONTG VA EMS.
Reventador (Ecuador): Possible ongoing volcanic ash emissions are reported for Reventador as of 11:00 UTC on 26 September 2026, but no ash plume was observed due to cloud cover. Forecasts indicate little change in ash movement through the next 12 hours. Original VAAC bulletin:Reventador Volcanic Ash Advisory
Nevados de Chillán (Central Chile): (26 Sep) Weak volcanic ash emissions were reported at Nevados de Chillán, but no ash cloud was detected in satellite imagery as of 26 September 2026, 05:30 UTC. No further advisories are expected. Original VAAC bulletin:no ash plume identifiable as of 26 Sep 2026, 05:30 UTC
The Volcanic Ash Advisory Center (VAAC) Darwin issued the following bulletin. Original VAAC bulletin:
FVAU05 at 16:04 UTC, 26/09/26 from ADRM VA ADVISORY DTG: 20260926/1604Z VAAC: DARWIN VOLCANO: MARAPI 261140 PSN: S0023 E10028 AREA: INDONESIA SOURCE ELEV: 2885M AMSL ADVISORY NR: 2026/79 INFO SOURCE: VONA ERUPTION DETAILS: ERUPTION REPORTED AT 26/1440Z EST VA DTG: 26/1540Z EST VA CLD: SFC/FL120 S0027 E10025 - N0000 E10000 - N0008 E10040 - S0025 E10033 MOV N 05KT FCST VA CLD +6 HR: 26/2140Z NO VA EXP FCST VA CLD +12 HR: 27/0340Z NO VA EXP FCST VA CLD +18 HR: 27/0940Z NO VA EXP RMK: GROUND OBSERVER REPORTING ERUPTION OF UNKNOWN HEIGHT AT 26/1440Z. VA UNIDENTIFIABLE ON SATELLITE DUE TO OBSCURATION BY MET CLOUD. HEIGHT BASED ON RECENT ERUPTIVE BEHAVIOUR. MOVEMENT BASED ON MODEL GUIDANCE. VA EXPECTED TO DISSIPATE WITHIN 6 HOURS. NXT ADVISORY: NO LATER THAN 20260926/2204Z=
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, and moving at 10 kts in W direction. Original VAAC bulletin:
FVAU04 at 10:47 UTC, 26/09/26 from ADRM VA ADVISORY DTG: 20260926/1050Z VAAC: DARWIN VOLCANO: LEWOTOLOK 264230 PSN: S0816 E12330 AREA: INDONESIA SOURCE ELEV: 1423M AMSL ADVISORY NR: 2026/281 INFO SOURCE: HIMAWARI-9, CVGHM ERUPTION DETAILS: VA TO FL070 LAST REP AT 26/0254Z EST VA DTG: 26/1030Z EST VA CLD: SFC/FL070 S0818 E12332 - S0820 E12306 - S0800 E12313 - S0815 E12333 MOV W 10KT FCST VA CLD +6 HR: 26/1630Z SFC/FL070 S0818 E12332 - S0820 E12306 - S0800 E12313 - S0815 E12333 FCST VA CLD +12 HR: 26/2230Z SFC/FL070 S0818 E12332 - S0820 E12306 - S0800 E12313 - S0815 E12333 FCST VA CLD +18 HR: 27/0430Z SFC/FL070 S0818 E12332 - S0820 E12307 - S0803 E12312 - S0815 E12333 RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY. REGULAR GROUND REPORTS INDICATE INTERMITTENT ERUPTIONS ARE ONGOING. HEIGHT AND MOVEMENT BASED ON GROUND REPORTS AND MODEL GUIDANCE. NXT ADVISORY: NO LATER THAN 20260926/1650Z=
