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Dukono Volcanic Ash Advisory: ash plume to 7,000 ft (2,100 m) as of Oct 4, 06:40 UTC

Satellite image of Dukono volcano on 4 Oct 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 20 kts in E direction.
Original VAAC bulletin:

FVAU01 at 07:01 UTC, 04/10/26 from ADRM
VA ADVISORY
DTG: 20261004/0701Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2026/833
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 EXTD EAST
OBS VA DTG: 04/0640Z
OBS VA CLD: SFC/FL070 N0139 E12751 - N0145 E12750 - N0206
 E12816 - N0159 E12917 - N0137 E12920 MOV E 20KT
FCST VA CLD +6 HR: 04/1240Z SFC/FL070 N0140 E12752 - N0140
 E12752 - N0144 E12750 - N0204 E12802 - N0227 E12848 - N0217
 E12913 - N0156 E12925 - N0135 E12925
FCST VA CLD +12 HR: 04/1840Z SFC/FL070 N0143 E12751 - N0204
 E12802 - N0227 E12848 - N0217 E12912 - N0156 E12926 - N0136
 E12925 - N0139 E12753
FCST VA CLD +18 HR: 05/0040Z SFC/FL070 N0144 E12751 - N0204
 E12802 - N0226 E12848 - N0216 E12913 - N0157 E12926 - N0136
 E12926 - N0139 E12752
RMK: CONTINUOUS VA ERUPTION IDENTIFIABLE ON VIS SATELLITE
 IMAGERY. HEIGHT AND MOVEMENT BASED ON RECENT SATELLITE
 IMAGERY AND MODEL GUIDANCE.**ADV UPDATED**
NXT ADVISORY: NO LATER THAN 20261004/1301Z=
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Ibu Volcanic Ash Advisory: ash plume to 7,000 ft (2,100 m) as of Oct 4, 03:40 UTC

Satellite image of Ibu volcano on 4 Oct 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.
Original VAAC bulletin:

FVAU03 at 03:59 UTC, 04/10/26 from ADRM
VA ADVISORY
DTG: 20261004/0400Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/1125
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 MOV E
OBS VA DTG: 04/0340Z
OBS VA CLD: SFC/FL070 N0126 E12737 - N0132 E12735 - N0151
 E12814 - N0133 E12823 - N0119 E12818 MOV E 10KT
FCST VA CLD +6 HR: 04/0940Z SFC/FL070 N0126 E12737 - N0132
 E12736 - N0152 E12816 - N0136 E12823 - N0117 E12819
FCST VA CLD +12 HR: 04/1540Z SFC/FL070 N0126 E12737 - N0132
 E12736 - N0151 E12816 - N0135 E12823 - N0119 E12818
FCST VA CLD +18 HR: 04/2140Z SFC/FL070 N0131 E12736 - N0151
 E12816 - N0135 E12823 - N0119 E12818 - N0126 E12737
RMK: NTERMITTENT ERUPTIONS IDENTIFIABLE ON SATELLITE
 IMAGERY. HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY,
 GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20261004/1000Z=
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Lewotolo Volcanic Ash Advisory: ash plume to 6,000 ft (1,800 m) as of Oct 4, 01:00 UTC

Satellite image of Lewotolo volcano on 4 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.
Original VAAC bulletin:

FVAU04 at 01:33 UTC, 04/10/26 from ADRM
VA ADVISORY
DTG: 20261004/0141Z
VAAC: DARWIN
VOLCANO: LEWOTOLOK 264230
PSN: S0816 E12330
AREA: INDONESIA
SOURCE ELEV: 1423M AMSL
ADVISORY NR: 2026/306
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL060 MOV NW
OBS VA DTG: 04/0100Z
OBS VA CLD: SFC/FL060 S0818 E12331 - S0759 E12249 - S0744
 E12259 - S0816 E12333 MOV NW 15KT
FCST VA CLD +6 HR: 04/0700Z SFC/FL060 S0819 E12331 - S0801
 E12246 - S0737 E12303 - S0816 E12333
FCST VA CLD +12 HR: 04/1300Z SFC/FL060 S0819 E12330 - S0800
 E12246 - S0737 E12303 - S0816 E12333
FCST VA CLD +18 HR: 04/1900Z SFC/FL060 S0818 E12331 - S0801
 E12247 - S0737 E12303 - S0816 E12333
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 20261004/0741Z=