An eruption was last reported at Semeru at 03:59 UTC on September 9. Ash movement is estimated east at 10 knots, but no ash plume height was observed or reported in the latest bulletin.Original VAAC bulletin:FVAU02 at 05:49 UTC, 09/09/26 from ADRMVA ADVISORYDTG: 20260909/0600ZVAAC: DARWINVOLCANO: SEMERU 263300PSN: S0806 E11255AREA: INDONESIASOURCE ELEV: 3657M AMSLADVISORY NR: 2026/1031INFO SOURCE: HIMAWARI-9, CVGHMERUPTION DETAILS: ERUPTION LAST REPORTED 09/0359ZEST VA DTG: 09/0540ZEST VA CLD: SFC/FL150 S0808 E11251 - S0802 E11253 - S0757 E11319 - S0812 E11324 - S0822 E11312 MOV E 10KTFCST VA CLD +6 HR: 09/1140Z SFC/FL150 S0809 E11252 - S0803 E11252 - S0752 E11315 - S0803 E11325 - S0816 E11315FCST VA CLD +12 HR: 09/1740Z SFC/FL150 S0808 E11251 - S0802 E11252 - S0756 E11316 - S0810 E11324 - S0821 E11313FCST VA CLD +18 HR: 09/2340Z SFC/FL150 S0803 E11253 - S0800 E11320 - S0817 E11324 - S0825 E11309 - S0808 E11251RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET CLOUD. GROUND REPORTS INDICATE ONGOING DISCRETE EMISSIONS. VA HEIGHT AND FORECAST BASED ON PAST SATELLITE IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.NXT ADVISORY: NO LATER THAN 20260909/1200Z=