Satellite image of Krakatau volcano on 4 Sep 2026Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 45000 ft (13700 m), or flight level 450.Original VAAC bulletin:FVAU04 at 16:53 UTC, 04/09/26 from ADRMVA ADVISORYDTG: 20260904/1650ZVAAC: DARWINVOLCANO: KRAKATAU 262000PSN: S0606 E10525AREA: INDONESIASOURCE ELEV: 155M AMSLADVISORY NR: 2026/164INFO SOURCE: HIMAWARI-9 CVGHMERUPTION DETAILS: HIGH LEVEL ERUPTION TO FL450 MOV WOBS VA DTG: 04/1630ZOBS VA CLD: SFC/FL450 S0619 E10539 - S0625 E10447 - S0548 E10446 - S0548 E10534 MOV W 05KTFCST VA CLD +6 HR: 04/2230Z NOT AVBLFCST VA CLD +12 HR: 05/0430Z NOT AVBLFCST VA CLD +18 HR: 05/1030Z NOT AVBLRMK: VA IDENTIFIABLE ON LATEST RGB SATELLITE IMAGERY. A MORE DETAILS ADVISORY TO FOLLOW AS SOON AS POSSIBLE.NXT ADVISORY: WILL BE ISSUED BY 20260904/1710Z=