Puracé Volcanic Ash Advisory: ash plume to 19,000 ft (5,800 m) as of Nov 1, 05:20 UTC

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 19000 ft (5800 m), or flight level 190.
Original VAAC bulletin:

FVXX20 at 05:46 UTC, 01/11/26 from KNES
VA ADVISORY
DTG: 20261101/0542Z

VAAC: WASHINGTON

VOLCANO: PURACE 351060
PSN: N0219 W07624

AREA: COLOMBIA

SOURCE ELEV: 15256 FT AMSL

ADVISORY NR: 2026/688

INFO SOURCE: GOES-19. NWP MODELS.

ERUPTION DETAILS: ONGOING VA EMS

OBS VA DTG: 01/0520Z

OBS VA CLD: SFC/FL190 N0229 W07630 - N0219 W07623
- N0219 W07624 - N0225 W07634 - N0229 W07630 MOV
NW 10KT

FCST VA CLD +6HR: 01/1030Z SFC/FL190 N0235 W07634
- N0220 W07624 - N0219 W07625 - N0228 W07639 -
N0235 W07634

FCST VA CLD +12HR: 01/1630Z SFC/FL190 N0235
W07634 - N0220 W07623 - N0219 W07625 - N0228
W07639 - N0235 W07634

FCST VA CLD +18HR: 01/2230Z SFC/FL190 N0235 W07635
- N0219 W07623 - N0219 W07625 - N0228 W07639 -
N0235 W07635

RMK: VA PUFFS DETECTED ON STLT MOVG NW OF SUMMIT.
NO CHG FCST TO MDL WINDS AT FL NXT 18 HR. ...KONON

NXT ADVISORY: WILL BE ISSUED BY 20261101/1145Z

Sheveluch Volcanic Ash Advisory: ash plume to 22,000 ft (6,700 m) as of Oct 31, 22:50 UTC

Satellite image of Sheveluch volcano on 31 Oct 2026

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Tokyo warned of a volcanic ash plume rising to an estimated 22000 ft (6700 m), or flight level 220, and moving at 50 kts in NE direction.
Original VAAC bulletin:

FVFE01 at 23:17 UTC, 31/10/26 from RJTD
VA ADVISORY
DTG: 20261031/2317Z
VAAC: TOKYO
VOLCANO: SHEVELUCH 300270
PSN: N5639 E16122
AREA: RUSSIA
SOURCE ELEV: 3283M AMSL
ADVISORY NR: 2026/364
INFO SOURCE: KBGS HIMAWARI-9
ERUPTION DETAILS: ERUPTION AT 20261031/2233Z FL220 EXTD NW REPORTED
OBS VA DTG: 31/2250Z
OBS VA CLD: SFC/FL220 N5643 E16114 - N5654 E16130 - N5648 E16139 -
N5636 E16121 MOV NE 50KT
FCST VA CLD +6 HR: 01/0450Z SFC/FL230 N5947 E16949 - N5905 E16706 -
N5810 E16415 - N5811 E16346 - N5919 E16656 - N5950 E16911
FCST VA CLD +12 HR: 01/1050Z SFC/FL220 N6059 W17704 - N6051 E17317 -

N5917 E16532 - N5949 E16609 - N6107 E17243 - N6130 E17944
FCST VA CLD +18 HR: NO VA EXP
RMK: NIL
NXT ADVISORY: 20261101/0300Z=

Ibu Volcano Volcanic Ash Advisory: VA EMISSION TO FL070 REP FM GND AT 31/1327Z

Satellite image of Ibu volcano on 31 Oct 2026

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

FVAU03 at 21:21 UTC, 31/10/26 from ADRM
VA ADVISORY
DTG: 20261031/2130Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/1239
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA EMISSION TO FL070 REP FM GND AT
31/1327Z
EST VA DTG: 31/2110Z
EST VA CLD: SFC/FL070 N0123 E12739 - N0120 E12713 - N0144
E12715 - N0136 E12738 - N0128 E12744 MOV W 05KT
FCST VA CLD +6 HR: 01/0310Z SFC/FL070 N0129 E12741 - N0125
E12739 - N0123 E12713 - N0144 E12716 - N0136 E12738
FCST VA CLD +12 HR: 01/0910Z SFC/FL070 N0128 E12744 - N0115
E12734 - N0121 E12718 - N0138 E12723 - N0136 E12738
FCST VA CLD +18 HR: 01/1510Z SFC/FL070 N0136 E12740 - N0129
E12747 - N0113 E12741 - N0114 E12726 - N0132 E12725
RMK: VA CURRENTLY OBSCURED BY MET CLOUD. GROUND REPORTS
CONFIRM INTERMITTENT VA EMISSIONS CONTINUING. VA HEIGHT AND
MOVEMENT BASED ON SATELLITE IMAGERY, GROUND REPORTS AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20261101/0330Z=

Sakurajima Volcanic Ash Advisory: ash plume to 7,000 ft (2,100 m) as of Oct 31, 15:30 UTC

Satellite image of Sakurajima volcano on 31 Oct 2026

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Tokyo warned of a volcanic ash plume rising to an estimated 7000 ft (2100 m), or flight level 070, and moving at 15 kts in S direction.
Original VAAC bulletin:

FVFE01 at 15:51 UTC, 31/10/26 from RJTD
VA ADVISORY
DTG: 20261031/1550Z
VAAC: TOKYO
VOLCANO: SAKURAJIMA [AIRA CALDERA] 282080
PSN: N3136 E13039
AREA: JAPAN
SOURCE ELEV: 1117M AMSL
ADVISORY NR: 2026/340
INFO SOURCE: JMA HIMAWARI-9
ERUPTION DETAILS: ERUPTED AT 20261031/1456Z FL070 EXTD S
OBS VA DTG: 31/1530Z
OBS VA CLD: SFC/FL070 N3135 E13041 - N3128 E13040 - N3128 E13035 -
N3136 E13036 MOV S 15KT
FCST VA CLD +6 HR: 31/2130Z SFC/FL070 N3117 E13122 - N3101 E13108 -
N3141 E13004 - N3202 E13020
FCST VA CLD +12 HR: 01/0330Z SFC/FL070 N3223 E13248 - N3151 E13226 -

N3250 E13026 - N3328 E13106
FCST VA CLD +18 HR: NO VA EXP
RMK: NIL
NXT ADVISORY: 20261031/1800Z=

Krakatau Volcanic Ash Advisory: ash plume to 6,000 ft (1,800 m) as of Oct 31, 13:00 UTC

Satellite image of Krakatau volcano on 31 Oct 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 05 kts in NW direction.
Original VAAC bulletin:

FVAU04 at 13:16 UTC, 31/10/26 from ADRM
VA ADVISORY
DTG: 20261031/1320Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/270
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VONA STATE ERUPTION AT 31/1215Z
OBS VA DTG: 31/1300Z
OBS VA CLD: SFC/FL060 S0613 E10529 - S0601 E10505 - S0543
E10523 - S0607 E10535 MOV NW 05KT
FCST VA CLD +6 HR: 31/1900Z NO VA EXP
FCST VA CLD +12 HR: 01/0100Z NO VA EXP
FCST VA CLD +18 HR: 01/0700Z NO VA EXP
RMK: VA OBSCURED BY MET CLOUD. VA AND MOVEMENT HEIGHT BASED
ON MODEL GUIDANCE. VA EXPECTED TO DISSIPATE IN 6HRS.
NXT ADVISORY: NO LATER THAN 20261031/1920Z=