Etna Volcanic Ash Advisory: ash plume to 18,000 ft (5,500 m) as of Sep 17, 16:00 UTC

Satellite image of Etna volcano on 17 Sep 2026

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Toulouse warned of a volcanic ash plume rising to an estimated 18000 ft (5500 m), or flight level 180, and moving at 15 kts in E direction.
Original VAAC bulletin:

FVXX01 at 15:55 UTC, 17/09/26 from LFPW
VA ADVISORY
DTG: 20260917/1555Z
VAAC: TOULOUSE
VOLCANO: ETNA 211060
PSN: N3744 E01459
AREA: SICILY VOLCANIC PROVINCE
SOURCE ELEV: 3357M
ADVISORY NR: 2026/168
INFO SOURCE: INGV VONA, SAT IMAGERY, WEBCAM
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION AT 20260916/1800Z ASH EMISSION ONGOING
OBS VA DTG: 17/1600Z
OBS VA CLD: SFC/FL180 N3745 E01500 - N3803 E01548 - N3757 E01630 -
N3648 E01630 - N3651 E01609 - N3736 E01600 - N3745 E01500 MOV E 15KT
FCST VA CLD +6 HR: 17/2200Z SFC/FL180 N3800 E01706 - N3727 E01726 -
N3623 E01711 - N3727 E01618 - N3745 E01457 - N3803 E01609 - N3800
E01706
FCST VA CLD +12 HR: 18/0400Z SFC/FL160 N3748 E01500 - N3808 E01654 -
N3803 E01803 - N3730 E01730 - N3748 E01500
FCST VA CLD +18 HR: 18/1000Z SFC/FL160 N3745 E01503 - N3742 E01618 -
N3815 E01821 - N3736 E01845 - N3721 E01636 - N3745 E01503
RMK: ASH CLOUD DRIFTING TOWARDS EAST. SEE ANNOTATED SAT IMAGERY FOR
MORE INFORMATION. DUE TO THE LOW INTENSITY OF THIS CURENT ERUPTIVE
EVENT, QVA DO NOT SHOW ANY SIGNIFICANT ASH CLOUD AND WILL THEREFORE
NOT BE PROVIDED.
NXT ADVISORY: NO LATER THAN 20260917/2200Z=

Sangay Volcanic Ash Advisory: ash plume to 20,000 ft (6,100 m) as of Sep 17, 11:10 UTC

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 11:41 UTC, 17/09/26 from KNES
VA ADVISORY
DTG: 20260917/1138Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SOURCE ELEV: 17342 FT AMSL

ADVISORY NR: 2026/578

INFO SOURCE: GOES-19. NWP MODELS.

ERUPTION DETAILS: LKLY VA EM

OBS VA DTG: 17/1110Z

OBS VA CLD: SFC/FL200 S0159 W07821 - S0201 W07820
- S0210 W07831 - S0204 W07834 - S0159 W07821 MOV
SW 15KT

FCST VA CLD +6HR: 17/1700Z SFC/FL200 S0200 W07820
- S0201 W07819 - S0216 W07835 - S0201 W07840 -
S0200 W07820

FCST VA CLD +12HR: 17/2300Z NO VA EXP

FCST VA CLD +18HR: 18/0500Z NO VA EXP

RMK: POSS VA CLD SPOTTED IN SAT MOVING SW FM
SUMMIT AMONG MET CLD. WEBCAM OBSC BY MET CLD.
NWP MDL FCST LTLCG THRU T+6HRS. ...ZENG

NXT ADVISORY: WILL BE ISSUED BY 20260917/1745Z

Semeru Volcanic Ash Advisory: ash plume to 15,000 ft (4,600 m) as of Sep 17, 06:10 UTC

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 25 kts in E direction.
Original VAAC bulletin:

FVAU02 at 06:41 UTC, 17/09/26 from ADRM
VA ADVISORY
DTG: 20260917/0640Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/1064
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 LAST REP AT 17/0206Z
OBS VA DTG: 17/0610Z
OBS VA CLD: SFC/FL150 S0809 E11253 - S0803 E11253 - S0800
E11320 - S0814 E11324 - S0824 E11311 MOV E 25KT
FCST VA CLD +6 HR: 17/1210Z SFC/FL150 S0809 E11253 - S0803
E11253 - S0759 E11319 - S0815 E11324 - S0824 E11312
FCST VA CLD +12 HR: 17/1810Z SFC/FL150 S0808 E11253 - S0803
E11253 - S0800 E11320 - S0814 E11324 - S0824 E11312 - S0809
E11253
FCST VA CLD +18 HR: 18/0010Z SFC/FL150 S0803 E11254 - S0800
E11319 - S0814 E11324 - S0824 E11312 - S0809 E11253
RMK: INTERMITTENT DISCRETE ERUPTION IDENTIFIABLE ON
SATELLITE IMAGERY. HEIGHT AND MOVEMENT BASED ON SATELLITE
IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260917/1240Z=

Dukono Volcanic Ash Advisory: ash plume to 7,000 ft (2,100 m) as of Sep 17, 01:50 UTC

Satellite image of Dukono volcano on 17 Sep 2026

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 NE direction.
Original VAAC bulletin:

FVAU01 at 02:22 UTC, 17/09/26 from ADRM
VA ADVISORY
DTG: 20260917/0220Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2026/762
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 EXT NE
OBS VA DTG: 17/0150Z
OBS VA CLD: SFC/FL070 N0140 E12750 - N0230 E12758 - N0216
E12821 - N0138 E12755 MOV NE 10KT
FCST VA CLD +6 HR: 17/0750Z SFC/FL070 N0139 E12755 - N0141
E12750 - N0156 E12745 - N0229 E12747 - N0214 E12830
FCST VA CLD +12 HR: 17/1350Z SFC/FL070 N0139 E12755 - N0141
E12750 - N0226 E12749 - N0225 E12809 - N0208 E12835
FCST VA CLD +18 HR: 17/1950Z SFC/FL070 N0140 E12756 - N0141
E12750 - N0226 E12747 - N0226 E12810 - N0208 E12835
RMK: CONTINUOUS VA ERUPTION IDENTIFIABLE ON SATELLITE
IMAGERY. VA HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260917/0820Z=

Lewotolo Volcanic Ash Advisory: ash plume to 6,000 ft (1,800 m) as of Sep 16, 23:00 UTC

Satellite image of Lewotolo volcano on 16 Sep 2026

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, and moving at 15 kts in NW direction.
Original VAAC bulletin:

FVAU04 at 23:25 UTC, 16/09/26 from ADRM
VA ADVISORY
DTG: 20260916/2330Z
VAAC: DARWIN
VOLCANO: LEWOTOLOK 264230
PSN: S0816 E12330
AREA: INDONESIA
SOURCE ELEV: 1423M AMSL
ADVISORY NR: 2026/243
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL060 EXT NW
OBS VA DTG: 16/2300Z
OBS VA CLD: SFC/FL060 S0819 E12332 - S0818 E12315 - S0758
E12239 - S0738 E12304 - S0814 E12334 MOV NW 15KT
FCST VA CLD +6 HR: 17/0500Z SFC/FL060 S0819 E12332 - S0818
E12315 - S0805 E12238 - S0736 E12302 - S0815 E12336
FCST VA CLD +12 HR: 17/1100Z SFC/FL060 S0819 E12332 - S0818
E12316 - S0805 E12238 - S0736 E12303 - S0815 E12335
FCST VA CLD +18 HR: 17/1700Z SFC/FL060 S0819 E12333 - S0807
E12237 - S0736 E12303 - S0815 E12336
RMK: CONTINUOS VA ERUPTION IDENTIFIABLE ON SATELLITE
IMAGERY. VA HEIGHT AND MOVEMENT BASED ON HIMAWARI-9 IMAGERY,
GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260917/0530Z=