Satellite image of Semeru volcano on 5 Sep 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 23:47 UTC, 05/09/26 from ADRMVA ADVISORYDTG: 20260906/0000ZVAAC: DARWINVOLCANO: SEMERU 263300PSN: S0806 E11255AREA: INDONESIASOURCE ELEV: 3657M AMSLADVISORY NR: 2026/1018INFO SOURCE: HIMAWARI-9, CVGHMERUPTION DETAILS: VA TO FL150, LAST REP AT 05/2110ZEST VA DTG: 05/2340ZEST VA CLD: SFC/FL150 S0805 E11251 - S0801 E11255 - S0808 E11320 - S0824 E11319 - S0828 E11303 MOV SE 05KTFCST VA CLD +6 HR: 06/0540Z SFC/FL150 S0805 E11251 - S0801 E11255 - S0813 E11321 - S0827 E11317 - S0829 E11301FCST VA CLD +12 HR: 06/1140Z SFC/FL150 S0804 E11251 - S0801 E11256 - S0815 E11318 - S0828 E11312 - S0830 E11257FCST VA CLD +18 HR: 06/1740Z SFC/FL150 S0804 E11251 - S0801 E11256 - S0816 E11317 - S0830 E11312 - S0830 E11256RMK: VA UNIDENTIFIABLE ON RECENT SATELLITE IMAGERY. RECENT GROUND REPORTS INDICATE ONGOING DISCRETE EMISSIONS. VA HEIGHT AND FORECAST BASED ON HIMAWARI-9 SAT IMG, GROUND REPORTS AND MODEL GUIDANCE.NXT ADVISORY: NO LATER THAN 20260906/0600Z=