Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 .The full report is as follows:FVAU02 at 00:17 UTC, 12/04/26 from ADRMVA ADVISORYDTG: 20260412/0020ZVAAC: DARWINVOLCANO: SEMERU 263300PSN: S0806 E11255AREA: INDONESIASOURCE ELEV: 3657M AMSLADVISORY NR: 2026/416INFO SOURCE: HIMAWARI-9, CVGHMERUPTION DETAILS: VA TO FL150 OBS AT 12/0000Z MOV NWOBS VA DTG: 12/0000ZOBS VA CLD: SFC/FL150 S0811 E11256 - S0800 E11229 - S0746 E11232 - S0743 E11247 - S0806 E11301 MOV NW 10KTFCST VA CLD +6 HR: 12/0600Z SFC/FL150 S0810 E11254 - S0758 E11233 - S0744 E11242 - S0746 E11259 - S0807 E11300FCST VA CLD +12 HR: 12/1200Z SFC/FL150 S0806 E11259 - S0811 E11255 - S0801 E11231 - S0748 E11235 - S0744 E11250FCST VA CLD +18 HR: 12/1800Z SFC/FL150 S0806 E11300 - S0812 E11255 - S0800 E11231 - S0744 E11238 - S0742 E11255RMK: DISCRETE, INTERMITTENT VA EMISSIONS IDENTIFIABLE ON RECENT SATELLITE IMAGERY. GROUND REPORTS CONFIRM CONTINUING ERUPTIONS. VA HEIGHT BASED ON GROUND REPORTS AND RECENT ERUPTIVE BEHAVIOUR, MOVEMENT BASED ON SATELLITE IMAGERY AND MODEL GUIDANCE.NXT ADVISORY: NO LATER THAN 20260412/0620Z=