Satellite image of Krakatau volcano on 5 Sep 2026
Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 50000 ft (15200 m), or flight level 500.
Original VAAC bulletin:
FVAU04 at 00:31 UTC, 05/09/26 from ADRM
VA ADVISORY
DTG: 20260905/0030Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/171
INFO SOURCE: HIMAWARI-9 CVGHM
ERUPTION DETAILS: VA TO FL500 MOV W, VA TO FL200 MOV S TO
ESE
OBS VA DTG: 05/0010Z
OBS VA CLD: SFC/FL200 S0552 E10510 - S0552 E10605 - S0643
E10655 - S0732 E10559 - S0654 E10419 MOV SE 10KT SFC/FL500
S0623 E10548 - S0736 E10204 - S0702 E10046 - S0529 E10047 -
S0448 E10304 - S0540 E10548 MOV W 40KT
FCST VA CLD +6 HR: 05/0610Z SFC/FL500 S0625 E10548 - S0910
E09757 - S0604 E09634 - S0347 E09909 - S0347 E10221 - S0517
E10548 SFC/FL200 S0546 E10511 - S0622 E10737 - S0754 E10738
- S0841 E10529 - S0714 E10347
FCST VA CLD +12 HR: 05/1210Z SFC/FL500 S0624 E10547 - S1008
E09511 - S0543 E09354 - S0327 E09745 - S0345 E10220 - S0515
E10548 SFC/FL200 S0544 E10525 - S0646 E10831 - S0836 E10746
- S0855 E10457 - S0709 E10250
FCST VA CLD +18 HR: 05/1810Z SFC/FL500 S0624 E10548 - S1039
E09459 - S0852 E09220 - S0501 E09253 - S0327 E09745 - S0346
E10222 - S0515 E10548 SFC/FL200 S0543 E10518 - S0647 E10830
- S0830 E10821 - S0928 E10521 - S0717 E10226
RMK: CONTINUOUS VA TO FL500 IDENTIFIABLE ON SAT IMAGE MOV W.
CONTINUOUS VA TO FL200 MOV S TO ESE. HEIGHT AND MOV BASED ON
SATELLITE IMAGERY AND FCST BASED ON DISPERSION MODELS.
NXT ADVISORY: NO LATER THAN 20260905/0230Z=