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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:

FVAU06 at 14:07 UTC, 05/10/26 from ADRM
VA ADVISORY
DTG: 20261005/1407Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/218
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA OBS TO FL090 MOV NW AT 05/1340Z
OBS VA DTG: 05/1340Z
OBS VA CLD: SFC/FL090 S0607 E10526 - S0607 E10516 - S0557
 E10521 - S0605 E10527 MOV NW 05KT
FCST VA CLD +6 HR: 05/1940Z SFC/FL090 S0608 E10527 - S0606
 E10503 - S0546 E10513 - S0548 E10525 - S0605 E10527
FCST VA CLD +12 HR: 06/0140Z SFC/FL090 S0608 E10525 - S0606
 E10501 - S0542 E10503 - S0542 E10521 - S0606 E10528
FCST VA CLD +18 HR: 06/0740Z SFC/FL090 S0608 E10525 - S0608
 E10525 - S0607 E10500 - S0542 E10503 - S0541 E10522 - S0606
 E10528
RMK: VA OBS ON LATEST RGB SATELLITE IMAGERY. GROUND REPORT
 OF ERUPTION AT 05/1313Z. HEIGHT BASED ON VA IR TEMP OF 13C.
 FORECAST BASED ON SATELLITE IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20261005/2007Z=

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 13:03 UTC, 05/10/26 from ADRM
VA ADVISORY
DTG: 20261005/1300Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2026/838
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 OBS AT 05/0840Z MOV NE
OBS VA DTG: 05/1240Z
OBS VA CLD: SFC/FL070 N0143 E12750 - N0223 E12809 - N0157
 E12834 - N0138 E12754 MOV NE 10KT
FCST VA CLD +6 HR: 05/1840Z SFC/FL070 N0143 E12750 - N0216
 E12812 - N0149 E12836 - N0138 E12754
FCST VA CLD +12 HR: 06/0040Z SFC/FL070 N0143 E12750 - N0216
 E12812 - N0149 E12836 - N0138 E12754
FCST VA CLD +18 HR: 06/0640Z SFC/FL070 N0143 E12750 - N0215
 E12812 - N0149 E12836 - N0138 E12754
RMK: VA CURRENTLY OBSCURED BY MET CLOUD. VA HEIGHT AND
 MOVEMENT BASED ON SATELLITE IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20261005/1900Z=

Satellite image of Ibu volcano on 5 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 09:44 UTC, 05/10/26 from ADRM
VA ADVISORY
DTG: 20261005/0950Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/1130
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 LAST REPORTED 05/0334Z MOV NE
EST VA DTG: 05/0930Z
EST VA CLD: SFC/FL070 N0130 E12734 - N0203 E12754 - N0141
 E12813 - N0125 E12738 MOV NE 10KT
FCST VA CLD +6 HR: 05/1530Z SFC/FL070 N0126 E12738 - N0130
 E12735 - N0203 E12754 - N0140 E12814
FCST VA CLD +12 HR: 05/2130Z SFC/FL070 N0130 E12735 - N0203
 E12754 - N0141 E12813 - N0125 E12738
FCST VA CLD +18 HR: 06/0330Z SFC/FL070 N0130 E12734 - N0203
 E12754 - N0141 E12813 - N0125 E12738
RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY DUE TO
 MET CLOUD. GROUND REPORTS INDICATE ONGOING DISCRETE
 ERUPTIONS. VA HEIGHT AND MOVEMENT BASED ON GROUND REPORTS
 AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20261005/1550Z=

Satellite image of Sheveluch volcano on 5 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 25 kts in NE direction.
Original VAAC bulletin:

FVFE01 at 06:00 UTC, 05/10/26 from RJTD
VA ADVISORY
DTG: 20261005/0600Z
VAAC: TOKYO
VOLCANO: SHEVELUCH 300270
PSN: N5639 E16122
AREA: RUSSIA
SOURCE ELEV: 3283M AMSL
ADVISORY NR: 2026/352
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY
OBS VA DTG: 05/0520Z
OBS VA CLD: SFC/FL220 N5759 E16550 - N5756 E16528 - N5808 E16530 - 
N5808 E16550 MOV NE 25KT
FCST VA CLD +6 HR: 05/1120Z SFC/FL220 N5816 E16950 - N5813 E16910 - 
N5848 E16839 - N5909 E16921
FCST VA CLD +12 HR: NO VA EXP
FCST VA CLD +18 HR: NO VA EXP
RMK: SOME PART OF VA OBSCURED BY MET CLOUD.
NXT ADVISORY: 20261005/1200Z=