Satellite image of Krakatau volcano on 20 Oct 2026Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 9000 ft (2700 m), or flight level 090.Original VAAC bulletin:FVAU04 at 00:03 UTC, 20/10/26 from ADRMVA ADVISORYDTG: 20261020/0020ZVAAC: DARWINVOLCANO: KRAKATAU 262000PSN: S0606 E10525AREA: INDONESIASOURCE ELEV: 155M AMSLADVISORY NR: 2026/238INFO SOURCE: HIMAWARI-9, CVGHMERUPTION DETAILS: VA TO FL090 MOV SW AT 20/0000ZOBS VA DTG: 20/0000ZOBS VA CLD: SFC/FL090 S0606 E10530 - S0612 E10525 - S0618 E10509 - S0603 E10505 - S0559 E10515 - S0602 E10528 MOV SW 10KTFCST VA CLD +6 HR: 20/0600Z SFC/FL090 S0606 E10531 - S0613 E10527 - S0621 E10505 - S0607 E10501 - S0553 E10508 - S0601 E10530FCST VA CLD +12 HR: 20/1200Z NO VA EXPFCST VA CLD +18 HR: 20/1800Z NO VA EXPRMK: VONA RECEIVED INDICATING ERUPTION ONGOING. VA CLEARLY DISCERNIBLE ON LATEST SAT IMG. VA HEIGHT AND FORECAST BASED ON LATEST SAT IMG, GROUND REPORT AND MODEL GUIDANCE.VA EXPECTED TO DISSIPATE WITHIN 6-12 HOURS.NXT ADVISORY: NO LATER THAN 20261020/0620Z=