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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 15:45 UTC, 09/10/26 from ADRM
VA ADVISORY
DTG: 20261009/1550Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2026/855
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 OBS AT 09/1530Z, MOV NE
OBS VA DTG: 09/1530Z
OBS VA CLD: SFC/FL070 N0138 E12752 - N0145 E12750 - N0222
 E12839 - N0202 E12902 - N0135 E12853 MOV NE 10KT
FCST VA CLD +6 HR: 09/2130Z SFC/FL070 N0145 E12750 - N0226
 E12835 - N0207 E12901 - N0136 E12854 - N0137 E12752
FCST VA CLD +12 HR: 10/0330Z SFC/FL070 N0140 E12749 - N0231
 E12811 - N0226 E12841 - N0153 E12859 - N0135 E12755
FCST VA CLD +18 HR: 10/0930Z SFC/FL070 N0136 E12756 - N0139
 E12748 - N0229 E12801 - N0229 E12832 - N0201 E12852
RMK: VA IDENTIFIABLE ON LATEST SATELLITE IMAGERY MOVING NE.
 HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY AND MODEL
 GUIDANCE.
NXT ADVISORY: NO LATER THAN 20261009/2150Z=

Satellite image of Krakatau volcano on 9 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 10:10 UTC, 09/10/26 from ADRM
VA ADVISORY
DTG: 20261009/1015Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/224
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL060 OBS AT 09/0950Z MOV W
OBS VA DTG: 09/0950Z
OBS VA CLD: SFC/FL060 S0605 E10533 - S0628 E10532 - S0640
 E10502 - S0554 E10448 - S0550 E10522 MOV W 10KT
FCST VA CLD +6 HR: 09/1550Z SFC/FL060 S0601 E10538 - S0632
 E10537 - S0650 E10457 - S0552 E10438 - S0543 E10523
FCST VA CLD +12 HR: 09/2150Z NO VA EXP
FCST VA CLD +18 HR: 10/0350Z NO VA EXP
RMK: VA IDENTIFIABLE ON LATEST SATELLITE IMAGERY MOVING W.
 VA EXPECTED TO DISSIPATE WITHIN 6-12 HOURS. FORECAST BASED
 ON HIMAWARI-9, CVGHM AND MODEL GUIDANCE. 
NXT ADVISORY: NO LATER THAN 20261009/1615Z=

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

FVXX24 at 04:12 UTC, 09/10/26 from KNES
VA ADVISORY
DTG: 20261009/0410Z

VAAC: WASHINGTON

VOLCANO: PURACE 351060
PSN: N0219 W07624

AREA: COLOMBIA

SOURCE ELEV: 15256 FT AMSL

ADVISORY NR: 2026/597

INFO SOURCE: GOES-19. VONA. NWP MODELS. SERVICIO
GEOLOGICO COLOMBIANO. 

ERUPTION DETAILS: VONA RPTS RECENT VA EM.

EST VA DTG: 09/0350Z

EST VA CLD: SFC/FL190 N0225 W07629 - N0220 W07623
- N0219 W07624 - N0222 W07632 - N0225 W07629 MOV
NW 5KT 

FCST VA CLD +6HR: 09/1000Z SFC/FL190 N0226 W07630
- N0219 W07623 - N0219 W07624 - N0222 W07633 -
N0226 W07630 

FCST VA CLD +12HR: 09/1600Z SFC/FL190 N0227
W07629 - N0220 W07623 - N0219 W07624 - N0222
W07633 - N0227 W07629 

FCST VA CLD +18HR: 09/2200Z SFC/FL190 N0228
W07629 - N0219 W07623 - N0219 W07624 - N0222
W07633 - N0228 W07629 

RMK: VA NOT OBS IN SAT WITH DENSE MET CLD OBSCN
OF SUMMIT AREA. RECENT VONA RPTS VA EM 0357Z MOV
WNW. OBS VA AREA ESTD FM VONA AND NWP MDLS. LTLCG
FCST IN FL MVMT THRU T+18 HRS. LOWER CONFIDENCE
IN FCST DUE TO LGT FL WINDS. ...CLARK

NXT ADVISORY: WILL BE ISSUED BY 20261009/1015Z