Satellite image of Semeru volcano on 22 Aug 2026Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 15000 ft (4600 m), or flight level 150.Original VAAC bulletin:FVAU02 at 09:54 UTC, 22/08/26 from ADRMVA ADVISORYDTG: 20260822/1000ZVAAC: DARWINVOLCANO: SEMERU 263300PSN: S0806 E11255AREA: INDONESIASOURCE ELEV: 3657M AMSLADVISORY NR: 2026/957INFO SOURCE: HIMAWARI-9, CVGHMERUPTION DETAILS: VA TO FL150 MOV SE AT 22/0940ZOBS VA DTG: 22/0940ZOBS VA CLD: SFC/FL150 S0804 E11250 - S0801 E11256 - S0838 E11330 - S0852 E11302 MOV SE 10KTFCST VA CLD +6 HR: 22/1540Z SFC/FL150 S0801 E11256 - S0838 E11329 - S0851 E11303 - S0804 E11250FCST VA CLD +12 HR: 22/2140Z SFC/FL150 S0801 E11256 - S0838 E11329 - S0852 E11302 - S0804 E11250FCST VA CLD +18 HR: 23/0340Z SFC/FL150 S0804 E11250 - S0801 E11257 - S0837 E11329 - S0852 E11302RMK: INTERMITTENT DISCRETE ERUPTION IDENTIFIABLE ON RGB SATELLITE IMAGERY. GROUND REPORT CONFIRM ONGOING INTERMITTENT ERUPTIONS. VA HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.NXT ADVISORY: NO LATER THAN 20260822/1600Z=