Satellite image of Krakatau volcano on 12 Aug 2026
Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 4000 ft (1200 m), or flight level 040, and moving at 05 kts in NW direction.
Original VAAC bulletin:
FVAU06 at 23:54 UTC, 12/08/26 from ADRM
VA ADVISORY
DTG: 20260813/0000Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/97
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA PLUME OBS AT 12/2340Z EXTD NW
OBS VA DTG: 12/2340Z
OBS VA CLD: SFC/FL040 S0612 E10530 - S0629 E10439 - S0600
E10415 - S0535 E10443 - S0600 E10533 MOV NW 05KT
FCST VA CLD +6 HR: 13/0540Z SFC/FL040 S0609 E10531 - S0632
E10424 - S0559 E10401 - S0538 E10430 - S0601 E10530
FCST VA CLD +12 HR: 13/1140Z SFC/FL040 S0605 E10533 - S0614
E10528 - S0616 E10448 - S0556 E10435 - S0533 E10452 - S0535
E10526
FCST VA CLD +18 HR: 13/1740Z SFC/FL040 S0614 E10527 - S0608
E10441 - S0535 E10437 - S0528 E10524 - S0604 E10534
RMK: CONTINUOUS VA EMISSION IDENTIFIABLE ON CURRENT
SATELLITE IMAGE. EMISSIONS ARE EXPECTED TO BE ONGOING.
HEIGHT AND FORECAST BASED ON SATELLITE IMAGERY AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260813/0600Z=