Satellite image of Semeru volcano on 28 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, and moving at 05 kts in SE direction.Original VAAC bulletin:FVAU02 at 15:55 UTC, 28/08/26 from ADRMVA ADVISORYDTG: 20260828/1600ZVAAC: DARWINVOLCANO: SEMERU 263300PSN: S0806 E11255AREA: INDONESIASOURCE ELEV: 3657M AMSLADVISORY NR: 2026/983INFO SOURCE: HIMAWARI-9, CVGHMERUPTION DETAILS: VA ERUPTION TO FL150 OBS AT 28/1540ZOBS VA DTG: 28/1540ZOBS VA CLD: SFC/FL150 S0803 E11255 - S0818 E11317 - S0831 E11317 - S0830 E11254 - S0806 E11252 MOV SE 05KTFCST VA CLD +6 HR: 28/2140Z SFC/FL150 S0802 E11250 - S0801 E11306 - S0833 E11319 - S0849 E11302 - S0845 E11242FCST VA CLD +12 HR: 29/0340Z SFC/FL150 S0805 E11251 - S0801 E11313 - S0833 E11321 - S0849 E11308 - S0846 E11250FCST VA CLD +18 HR: 29/0940Z SFC/FL150 S0803 E11253 - S0801 E11315 - S0825 E11323 - S0846 E11304 - S0835 E11248 - S0806 E11250RMK: VA EMISSIONS IDENTIFIABLE ON RECENT SATELLITE IMAGERY MOVING SE. GROUND REPORTS INDICATE ONGOING ERUPTIONS. VA HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.NXT ADVISORY: NO LATER THAN 20260828/2200Z=