Dukono Volcanic Ash Advisory: ash plume to 7,000 ft (2,100 m) as of Oct 23, 04:10 UTC

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 05 kts in SW direction.
Original VAAC bulletin:

FVAU01 at 04:30 UTC, 23/10/26 from ADRM
VA ADVISORY
DTG: 20261023/0430Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2026/911
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 OBS AT 23/0410Z
OBS VA DTG: 23/0410Z
OBS VA CLD: SFC/FL070 N0148 E12802 - N0126 E12805 - N0124
E12746 - N0137 E12733 - N0154 E12739 MOV SW 05KT
FCST VA CLD +6 HR: 23/1010Z SFC/FL070 N0147 E12802 - N0115
E12807 - N0112 E12738 - N0130 E12719 - N0157 E12728
FCST VA CLD +12 HR: 23/1610Z SFC/FL070 N0147 E12802 - N0114
E12757 - N0122 E12724 - N0154 E12717 - N0215 E12742
FCST VA CLD +18 HR: 23/2210Z SFC/FL070 N0147 E12802 - N0116
E12745 - N0136 E12718 - N0205 E12721 - N0217 E12749
RMK: CONTINUOUS VA EMISSIONS IDENTIFIABLE ON SATELLITE
IMAGERY, PARTIALLY OBSCURED BY MET CLOUD. VA HEIGHT AND
MOVEMENT BASED ON SATELLITE IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20261023/1030Z=

White Island Volcanic Ash Advisory: ash plume to 5,000 ft (1,500 m) as of Oct 22, 23:46 UTC

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Wellington warned of a volcanic ash plume rising to an estimated 5000 ft (1500 m), or flight level 050, and moving at 10 kts in SE direction.
Original VAAC bulletin:

FVPS01 at 23:46 UTC, 22/10/26 from NZKL
VA ADVISORY
DTG: 20261022/2346Z
VAAC: WELLINGTON
VOLCANO: WHAKAARI/WHITE ISLAND 241040
PSN: S3731 E17711
AREA: NEW ZEALAND
SOURCE ELEV: 294M AMSL
ADVISORY NR: 2026/54
INFO SOURCE: H9 SAT IMAGERY, WEBCAM, PIREP
ERUPTION DETAILS: ERUPTION AT 20261018/1944Z CONTINUOUS
LOW-LEVEL ERUPTION
OBS VA DTG: 22/2346Z
OBS VA CLD: SFC/FL050 S3725 E17717 - S3811 E17708 - S3748
E17604 - S3728 E17616 MOV SE 10KT
FCST VA CLD +6 HR: 23/0546Z SFC/FL050 S3718 E17721 - S3808
E17704 - S3753 E17617 - S3716 E17652
FCST VA CLD +12 HR: 23/1146Z SFC/FL050 S3725 E17719 - S3754
E17719 - S3748 E17650 - S3723 E17704
FCST VA CLD +18 HR: 23/1746Z SFC/FL050 S3725 E17719 - S3755
E17719 - S3748 E17650 - S3723 E17704
RMK: VA VISIBLE ON SATELLITE IMAGERY. PILOT REPORT OF VA
NEAR TE PUKE. VA HEIGHT EST FROM WEBCAM IMAGES AND MODEL
DATA. VA MOVEMENT FCST USING ECMWF MODEL DATA.
NXT ADVISORY: NO LATER THAN 20261023/0546Z=

White Island Volcanic Ash Advisory: ash plume to 3,000 ft (900 m) as of 22 Oct 2026, 17:27 UTC

A continuous low-level eruption was reported at White Island, with volcanic ash observed up to 3,000 ft (900 m) at 17:27 UTC on 22 October 2026. The ash cloud was moving north at 10 knots according to satellite and webcam data.
Original VAAC bulletin:

FVPS01 at 17:27 UTC, 22/10/26 from NZKL
VA ADVISORY
DTG: 20261022/1727Z
VAAC: WELLINGTON
VOLCANO: WHAKAARI/WHITE ISLAND 241040
PSN: S3731 E17711
AREA: NEW ZEALAND
SOURCE ELEV: 294M AMSL
ADVISORY NR: 2026/52
INFO SOURCE: H9 SAT IMAGERY, WEBCAM
ERUPTION DETAILS: ERUPTION AT 20261018/1944Z CONTINUOUS
LOW-LEVEL ERUPTION
OBS VA DTG: 22/1727Z
OBS VA CLD: SFC/FL030 S3732 E17707 - S3700 E17709 - S3703
E17740 - S3733 E17715 MOV N 10KT
FCST VA CLD +6 HR: 22/2327Z SFC/FL030 S3714 E17722 - S3752
E17725 - S3752 E17655 - S3716 E17652
FCST VA CLD +12 HR: 23/0527Z SFC/FL030 S3725 E17719 - S3757
E17720 - S3752 E17652 - S3722 E17708
FCST VA CLD +18 HR: 23/1127Z SFC/FL030 S3723 E17708 - S3724
E17717 - S3756 E17725 - S3758 E17702
RMK: VA FAINTLY IDENTIFIABLE ON NIGHT RGB SATELLITE IMAGERY.
VA HEIGHT EST FROM WEBCAM IMAGES. VA DISTRIBUTION FCST USING
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20261022/2327Z=

Dukono Volcanic Ash Advisory: ash plume to 7,000 ft (2,100 m) as of Oct 22, 16:10 UTC

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:

FVAU01 at 16:27 UTC, 22/10/26 from ADRM
VA ADVISORY
DTG: 20261022/1630Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2026/909
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 OBS AT 22/1610Z MOV S
OBS VA DTG: 22/1610Z
OBS VA CLD: SFC/FL070 N0141 E12704 - N0224 E12722 - N0229
E12823 - N0144 E12847 - N0105 E12844 - N0044 E12750 - N0103
E12718 MOV S 05KT
FCST VA CLD +6 HR: 22/2210Z SFC/FL070 N0141 E12705 - N0224
E12723 - N0225 E12832 - N0159 E12846 - N0108 E12843 - N0045
E12811 - N0054 E12727
FCST VA CLD +12 HR: 23/0410Z SFC/FL070 N0149 E12706 - N0223
E12728 - N0225 E12835 - N0155 E12852 - N0100 E12847 - N0046
E12743 - N0108 E12715
FCST VA CLD +18 HR: 23/1010Z SFC/FL070 N0126 E12714 - N0211
E12720 - N0224 E12743 - N0214 E12841 - N0114 E12857 - N0046
E12810 - N0047 E12730
RMK: CONTINUOUS VA EMISSIONS IDENTIFIABLE ON SATELLITE
IMAGERY, PARTIALLY OBSCURED BY MET CLOUD. VA HEIGHT AND
MOVEMENT BASED ON SATELLITE IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20261022/2230Z=

Reventador Volcanic Ash Advisory: ash plume to 17,000 ft (5,200 m) as of Oct 22, 11:00 UTC

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 17000 ft (5200 m), or flight level 170.
Original VAAC bulletin:

FVXX21 at 11:29 UTC, 22/10/26 from KNES
VA ADVISORY
DTG: 20261022/1125Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0004 W07739

AREA: ECUADOR

SOURCE ELEV: 11686 FT AMSL

ADVISORY NR: 2026/1109

INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.

ERUPTION DETAILS: VA EM CONT

OBS VA DTG: 22/1100Z

OBS VA CLD: SFC/FL170 N0003 W07747 - S0004 W07739
- S0005 W07740 - S0002 W07750 - N0003 W07747 MOV
NW 10KT

FCST VA CLD +6HR: 22/1700Z SFC/FL170 N0006 W07745
- S0004 W07739 - S0005 W07740 - S0000 W07751 -
N0006 W07745

FCST VA CLD +12HR: 22/2300Z SFC/FL170 N0007
W07735 - S0005 W07738 - S0005 W07740 - N0005
W07744 - N0007 W07735

FCST VA CLD +18HR: 23/0500Z SFC/FL170 N0006
W07747 - S0004 W07738 - S0005 W07739 - S0004
W07752 - N0006 W07747

RMK: VA EM OBSD IN SAT AND WEBCAM. VA CLD EXTD
APRX 10 NM NW FM SUMMIT AMONG MET CLD. VA FL
BASED ON OBS BY WEBCAM, SAT AND MDL GUIDANCE.
NWP MDL FCST VEERING THRU T+12HRS THEN BACKING
THRU T+18HRS. ...ZENG

NXT ADVISORY: WILL BE ISSUED BY 20261022/1730Z