Sangay Volcanic Ash Advisory: ash plume to 20,000 ft (6,100 m) as of Oct 26, 05:00 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:

FVXX24 at 05:29 UTC, 26/10/26 from KNES
VA ADVISORY
DTG: 20261026/0526Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SOURCE ELEV: 17342 FT AMSL

ADVISORY NR: 2026/717

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

ERUPTION DETAILS: ONGOING VA EMS

OBS VA DTG: 26/0500Z

OBS VA CLD: SFC/FL200 S0200 W07820 - S0201 W07820
- S0213 W07826 - S0208 W07832 - S0200 W07820 MOV
SW 10KT

FCST VA CLD +6HR: 26/1100Z SFC/FL200 S0200 W07820
- S0201 W07820 - S0219 W07829 - S0211 W07838 -
S0200 W07820

FCST VA CLD +12HR: 26/1700Z SFC/FL200 S0201 W07820 -
S0219 W07829 - S0211 W07838 - S0201 W07821 -
S0201 W07820

FCST VA CLD +18HR: 26/2300Z SFC/FL200 S0201
W07820 - S0219 W07829 - S0211 W07839 - S0201
W07820 - S0201 W07820

RMK: VA DETECTED ON STLT MOVG SW OF SUMMIT. STG
HOTSPOT ON SWIR. VONA INDICATES VA EMS. NO CHG
FCST TO MDL WINDS AT FL NXT 18 HR. ...KONON

NXT ADVISORY: WILL BE ISSUED BY 20261026/1130Z

Ibu Volcanic Ash Advisory: ash plume to 7,000 ft (2,100 m) as of Oct 25, 21:26 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:

FVAU03 at 21:26 UTC, 25/10/26 from ADRM
VA ADVISORY
DTG: 20261025/2130Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/1214
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 REPORTED 25/1839Z
EST VA DTG: 25/2110Z
EST VA CLD: SFC/FL070 N0133 E12741 - N0128 E12743 - N0108
E12740 - N0113 E12718 - N0134 E12717 MOV SW 05KT
FCST VA CLD +6 HR: 26/0310Z SFC/FL070 N0133 E12741 - N0128
E12743 - N0113 E12725 - N0122 E12715 - N0137 E12718
FCST VA CLD +12 HR: 26/0910Z SFC/FL070 N0128 E12743 - N0114
E12725 - N0134 E12717 - N0149 E12729 - N0148 E12750
FCST VA CLD +18 HR: 26/1510Z SFC/FL070 N0124 E12741 - N0121
E12716 - N0144 E12717 - N0151 E12737 - N0132 E12745
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. REGULAR GROUND REPORTS INDICATE INTERMITTENT
ERUPTIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED ON
SATELLITE IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20261026/0330Z=

Dukono Volcanic Ash Advisory: ash plume to 9,000 ft (2,700 m) as of Oct 25, 16:10 UTC

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 9000 ft (2700 m), or flight level 090.
Original VAAC bulletin:

FVAU01 at 16:25 UTC, 25/10/26 from ADRM
VA ADVISORY
DTG: 20261025/1630Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2026/921
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL090 OBS AT 25/1610Z MOV SW
OBS VA DTG: 25/1610Z
OBS VA CLD: SFC/FL090 N0149 E12754 - N0141 E12801 - N0127
E12759 - N0125 E12740 - N0143 E12737 MOV SW 05KT
FCST VA CLD +6 HR: 25/2210Z SFC/FL090 N0148 E12755 - N0140
E12801 - N0111 E12739 - N0129 E12715 - N0159 E12723
FCST VA CLD +12 HR: 26/0410Z SFC/FL090 N0153 E12804 - N0127
E12759 - N0126 E12732 - N0151 E12721 - N0206 E12743
FCST VA CLD +18 HR: 26/1010Z SFC/FL090 N0153 E12804 - N0127
E12759 - N0126 E12732 - N0151 E12722 - N0206 E12742
RMK: VA IDENTIFIABLE ON SATELLITE IMAGERY, PARTIALLY
OBSCURED BY MET CLOUD. VA HEIGHT AND MOVEMENT BASED ON
SATELLITE IMAGERY AND MODEL GUIDANCE. LOW CONFIDENCE IN FCST
DUE TO VARIABLE WINDS IN THE AREA.
NXT ADVISORY: NO LATER THAN 20261025/2230Z=

Sakurajima Volcanic Ash Advisory: no ash plume observed as of 25 Oct 2026, 13:30 UTC

An eruption was reported at Sakurajima at 13:41 UTC on 25 October 2026, but no volcanic ash cloud was identifiable in satellite data as of 13:30 UTC. No forecast ash cloud information is available.
Original VAAC bulletin:

FVFE01 at 13:51 UTC, 25/10/26 from RJTD
VA ADVISORY
DTG: 20261025/1351Z
VAAC: TOKYO
VOLCANO: SAKURAJIMA [AIRA CALDERA] 282080
PSN: N3136 E13039
AREA: JAPAN
SOURCE ELEV: 1117M AMSL
ADVISORY NR: 2026/315
INFO SOURCE: JMA HIMAWARI-9
ERUPTION DETAILS: ERUPTED AT 20261025/1341Z FL070 EXTD N
OBS VA DTG: 25/1330Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL070 200/25KT

FCST VA CLD +6 HR: NOT AVBL
FCST VA CLD +12 HR: NOT AVBL
FCST VA CLD +18 HR: NOT AVBL
RMK: WE WILL ISSUE FURTHER ADVISORY IF VA IS DETECTED IN SATELLITE
IMAGERY.
NXT ADVISORY: NO FURTHER ADVISORIES=

Ibu Volcano Volcanic Ash Advisory: ERUPTION LAST REPORTED AT 25/0644Z EST VA DTG: 25/0930Z

Satellite image of Ibu volcano on 25 Oct 2026

The Volcanic Ash Advisory Center (VAAC) Darwin issued the following bulletin.
Original VAAC bulletin:

FVAU03 at 09:49 UTC, 25/10/26 from ADRM
VA ADVISORY
DTG: 20261025/0950Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/1212
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: ERUPTION LAST REPORTED AT 25/0644Z
EST VA DTG: 25/0930Z
EST VA CLD: SFC/FL070 N0133 E12741 - N0112 E12750 - N0108
E12733 - N0117 E12717 - N0136 E12718 MOV SW 05KT
FCST VA CLD +6 HR: 25/1530Z SFC/FL070 N0133 E12741 - N0112
E12750 - N0108 E12735 - N0113 E12719 - N0131 E12717
FCST VA CLD +12 HR: 25/2130Z SFC/FL070 N0128 E12743 - N0108
E12740 - N0111 E12721 - N0130 E12717 - N0133 E12741
FCST VA CLD +18 HR: 26/0330Z SFC/FL070 N0133 E12741 - N0128
E12743 - N0113 E12725 - N0121 E12715 - N0134 E12717
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. REGULAR GROUND REPORTS INDICATE INTERMITTENT
ERUPTIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED ON
SATELLITE IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20261025/1550Z=