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 04:09 UTC, 21/06/26 from ADRMVA ADVISORYDTG: 20260621/0420ZVAAC: DARWINVOLCANO: SEMERU 263300PSN: S0806 E11255AREA: INDONESIASOURCE ELEV: 3657M AMSLADVISORY NR: 2026/703INFO SOURCE: HIMAWARI-9, CVGHMERUPTION DETAILS: VA TO FL150 MOV NW OBS AT 21/0400ZOBS VA DTG: 21/0400ZOBS VA CLD: SFC/FL150 S0810 E11257 - S0812 E11223 - S0753 E11223 - S0741 E11236 - S0804 E11300 MOV NW 10KTFCST VA CLD +6 HR: 21/1000Z SFC/FL150 S0805 E11300 - S0811 E11257 - S0813 E11223 - S0753 E11223 - S0741 E11236FCST VA CLD +12 HR: 21/1600Z SFC/FL150 S0804 E11300 - S0811 E11257 - S0812 E11223 - S0753 E11223 - S0740 E11237FCST VA CLD +18 HR: 21/2200Z SFC/FL150 S0804 E11300 - S0811 E11257 - S0813 E11223 - S0753 E11223 - S0740 E11237RMK: VA EMISSIONS OBS ON LATEST SATELLITE IMAGERY. GROUND REPORTS CONFIRM INTERMITTENT EMISSIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.NXT ADVISORY: NO LATER THAN 20260621/1020Z=