Satellite image of Krakatau volcano on 21 Oct 2026Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 5000 ft (1500 m), or flight level 050.Original VAAC bulletin:FVAU04 at 23:25 UTC, 21/10/26 from ADRMVA ADVISORYDTG: 20261021/2325ZVAAC: DARWINVOLCANO: KRAKATAU 262000PSN: S0606 E10525AREA: INDONESIASOURCE ELEV: 155M AMSLADVISORY NR: 2026/246INFO SOURCE: CVGHM, HIMAWARI-9ERUPTION DETAILS: VA TO FL050 OBS AT 21/2300Z MOV WOBS VA DTG: 21/2300ZOBS VA CLD: SFC/FL050 S0609 E10530 - S0618 E10443 - S0611 E10432 - S0601 E10440 - S0602 E10529 MOV W 15KTFCST VA CLD +6 HR: 22/0500Z SFC/FL050 S0609 E10530 - S0634 E10436 - S0612 E10415 - S0548 E10433 - S0602 E10529FCST VA CLD +12 HR: 22/1100Z SFC/FL050 S0602 E10529 - S0623 E10539 - S0702 E10514 - S0649 E10431 - S0604 E10441FCST VA CLD +18 HR: 22/1700Z SFC/FL050 S0555 E10537 - S0633 E10544 - S0645 E10508 - S0615 E10442 - S0541 E10500RMK: CONTINUOUS VA EMISSIONS IDENTIFIABLE ON SATELLITE IMAGERY. VA HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY AND MODEL GUIDANCE. NXT ADVISORY: NO LATER THAN 20261022/0525Z=