Explosive 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 03:45 UTC, 17/10/26 from ADRMVA ADVISORYDTG: 20261017/0350ZVAAC: DARWINVOLCANO: SEMERU 263300PSN: S0806 E11255AREA: INDONESIASOURCE ELEV: 3657M AMSLADVISORY NR: 2026/1187INFO SOURCE: HIMAWARI-9, CVGHMERUPTION DETAILS: VA TO FL150 OBS AT 17/0250Z MOV WEST VA DTG: 17/0330ZEST VA CLD: SFC/FL150 S0803 E11258 - S0808 E11259 - S0814 E11245 - S0804 E11242 MOV W 15KTFCST VA CLD +6 HR: 17/0930Z SFC/FL150 S0810 E11259 - S0831 E11208 - S0753 E11204 - S0801 E11258FCST VA CLD +12 HR: 17/1530Z SFC/FL150 S0809 E11258 - S0827 E11206 - S0749 E11206 - S0802 E11258FCST VA CLD +18 HR: 17/2130Z SFC/FL150 S0803 E11258 - S0810 E11258 - S0827 E11208 - S0751 E11205RMK: DISCRETE VA EMISSIONS IDENTIFIABLE ON RECENT SATELLITE IMAGERY. REGULAR GROUND REPORTS ALSO INDICATE INTERMITTENT ERUPTIONS ARE ONGOING. HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.NXT ADVISORY: NO LATER THAN 20261017/0950Z=