Reventador Volcanic Ash Advisory: ash plume to 15,000 ft (4,600 m) as of Oct 24, 21:10 UTC

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 15000 ft (4600 m), or flight level 150.
Original VAAC bulletin:

FVXX21 at 21:45 UTC, 24/10/26 from KNES
VA ADVISORY
DTG: 20261024/2142Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0004 W07739

AREA: ECUADOR

SOURCE ELEV: 11686 FT AMSL

ADVISORY NR: 2026/1119

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

ERUPTION DETAILS: OCNL VA EMS

OBS VA DTG: 24/2110Z

OBS VA CLD: SFC/FL150 S0002 W07750 - S0002 W07748
- S0004 W07748 - S0004 W07750 - S0002 W07750 MOV
W 5KT

FCST VA CLD +6HR: 25/0300Z SFC/FL150 S0004 W07740
- S0005 W07739 - S0008 W07750 - S0006 W07750 -
S0004 W07740

FCST VA CLD +12HR: 25/0900Z SFC/FL150 S0004
W07739 - S0005 W07739 - S0009 W07749 - S0007
W07750 - S0004 W07739

FCST VA CLD +18HR: 25/1500Z SFC/FL150 S0004
W07739 - S0005 W07739 - S0008 W07750 - S0006
W07750 - S0004 W07739

RMK: DISCRETE VA EMS OBS IN STLT IMG EXT APRX
10NM W FM SUMMIT. WSW MVMT EXP BY T+6. FCST BASED
ON STLT AND MDL WINDS. ...GATLING

NXT ADVISORY: WILL BE ISSUED BY 20261025/0345Z

Dukono Volcanic Ash Advisory: ash plume to 9,000 ft (2,700 m) as of Oct 24, 16:00 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, and moving at 05 kts in SW direction.
Original VAAC bulletin:

FVAU01 at 16:30 UTC, 24/10/26 from ADRM
VA ADVISORY
DTG: 20261024/1630Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2026/917
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL090 EXT SW
OBS VA DTG: 24/1600Z
OBS VA CLD: SFC/FL090 N0145 E12755 - N0138 E12758 - N0129
E12755 - N0133 E12743 - N0145 E12747 MOV SW 05KT
FCST VA CLD +6 HR: 24/2200Z SFC/FL090 N0146 E12755 - N0135
E12802 - N0120 E12756 - N0114 E12741 - N0129 E12722 - N0144
E12733
FCST VA CLD +12 HR: 25/0400Z SFC/FL090 N0144 E12758 - N0139
E12757 - N0119 E12732 - N0144 E12713 - N0158 E12728
FCST VA CLD +18 HR: 25/1000Z SFC/FL090 N0145 E12757 - N0140
E12758 - N0120 E12733 - N0144 E12713 - N0158 E12727
RMK: VA IDENTIFIABLE ON SATELLITE IMAGERY. 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 20261024/2230Z=

Mayon Volcanic Ash Advisory: eruption reported as of 24 Oct 2026, 12:40 UTC

An eruption was reported at Mayon, with volcanic ash observed as of 24 October 2026, 12:40 UTC. No ash cloud was identifiable in satellite data at that time.
Original VAAC bulletin:

FVFE01 at 12:56 UTC, 24/10/26 from RJTD
VA ADVISORY
DTG: 20261024/1256Z
VAAC: TOKYO
VOLCANO: MAYON 273030
PSN: N1315 E12341
AREA: PHILIPPINES
SOURCE ELEV: 2462M AMSL
ADVISORY NR: 2026/807
INFO SOURCE: HIMAWARI-9 PHIVOLCS
ERUPTION DETAILS: ERUPTION AT 20261024/1237Z FL090 EXTD NE REPORTED
OBS VA DTG: 24/1240Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL090 180/7KT
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=

Reventador Volcanic Ash Advisory: ash emissions observed as of 24 Oct 2026, 09:10 UTC

Ash emissions were observed on webcam at Reventador as of 09:10 UTC on 24 October 2026. Forecasts indicate possible westward movement of ash at FL150 in the following hours.
Original VAAC bulletin:

FVXX21 at 09:46 UTC, 24/10/26 from KNES
VA ADVISORY
DTG: 20261024/0942Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0004 W07739

AREA: ECUADOR

SOURCE ELEV: 11686 FT AMSL

ADVISORY NR: 2026/1117

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

ERUPTION DETAILS: VA EMS OBSD IN WEBCAM

EST VA DTG: 24/0910Z

EST VA CLD: SFC/FL150 S0002 W07748 - S0004 W07740
- S0005 W07740 - S0006 W07748 - S0002 W07748 MOV
W 5KT

FCST VA CLD +6HR: 24/1500Z SFC/FL150 S0001 W07749
- S0004 W07739 - S0005 W07739 - S0005 W07750 -
S0001 W07749

FCST VA CLD +12HR: 24/2100Z SFC/FL150 N0001
W07747 - S0004 W07739 - S0005 W07740 - S0003
W07750 - N0001 W07747

FCST VA CLD +18HR: 25/0300Z SFC/FL150 S0001
W07750 - S0004 W07739 - S0005 W07739 - S0005
W07750 - S0001 W07750

RMK: VA EMS VSBL IN WEBCAM BUT NOT OBSD IN STLT
IMG DUE TO MET CLDS. W MVMT EXP TO SHIFT MORE WNW
BY T+6 HRS, AND NW BY T+12 HRS. MVMT AND HGT
BASED ON VONA, WEBCAM OBS AND NWP MDLS.
...BERTALAN

NXT ADVISORY: WILL BE ISSUED BY 20261024/1545Z

Dukono Volcanic Ash Advisory: ash plume to 9,000 ft (2,700 m) as of Oct 24, 04:10 UTC

Satellite image of Dukono volcano on 24 Oct 2026

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, and moving at 05 kts in W direction.
Original VAAC bulletin:

FVAU01 at 04:29 UTC, 24/10/26 from ADRM
VA ADVISORY
DTG: 20261024/0430Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2026/915
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL090 OBS AT 24/0410Z
OBS VA DTG: 24/0410Z
OBS VA CLD: SFC/FL090 N0131 E12813 - N0116 E12735 - N0155
E12724 - N0217 E12800 - N0144 E12816 MOV W 05KT
FCST VA CLD +6 HR: 24/1010Z SFC/FL090 N0135 E12801 - N0113
E12737 - N0133 E12712 - N0204 E12725 - N0150 E12801
FCST VA CLD +12 HR: 24/1610Z SFC/FL090 N0135 E12801 - N0113
E12737 - N0144 E12712 - N0217 E12736 - N0150 E12801
FCST VA CLD +18 HR: 24/2210Z SFC/FL090 N0136 E12801 - N0120
E12731 - N0144 E12712 - N0217 E12736 - N0211 E12806
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 20261024/1030Z=