Satellite image of Semeru volcano on 6 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 05:51 UTC, 06/09/26 from ADRMVA ADVISORYDTG: 20260906/0600ZVAAC: DARWINVOLCANO: SEMERU 263300PSN: S0806 E11255AREA: INDONESIASOURCE ELEV: 3657M AMSLADVISORY NR: 2026/1019INFO SOURCE: HIMAWARI-9, CVGHMERUPTION DETAILS: VA TO FL150, LAST REP AT 06/0051ZEST VA DTG: 06/0540ZEST VA CLD: SFC/FL150 S0802 E11254 - S0804 E11321 - S0821 E11317 - S0827 E11257 - S0804 E11251 MOV SE 05KTFCST VA CLD +6 HR: 06/1140Z SFC/FL150 S0804 E11251 - S0802 E11253 - S0801 E11323 - S0819 E11320 - S0828 E11257FCST VA CLD +12 HR: 06/1740Z SFC/FL150 S0804 E11251 - S0801 E11256 - S0808 E11321 - S0822 E11318 - S0830 E11256FCST VA CLD +18 HR: 06/2340Z SFC/FL150 S0804 E11250 - S0800 E11255 - S0809 E11322 - S0826 E11314 - S0830 E11254RMK: VA UNIDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET CLOUD. 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 20260906/1200Z=