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 11:57 UTC, 12/04/26 from ADRMVA ADVISORYDTG: 20260412/1200ZVAAC: DARWINVOLCANO: SEMERU 263300PSN: S0806 E11255AREA: INDONESIASOURCE ELEV: 3657M AMSLADVISORY NR: 2026/418INFO SOURCE: HIMAWARI-9, CVGHMERUPTION DETAILS: VA TO FL150 LAST REP AT 12/0400Z MOV NWEST VA DTG: 12/1140ZEST VA CLD: SFC/FL150 S0806 E11300 - S0811 E11255 - S0802 E11232 - S0748 E11235 - S0745 E11252 MOV NW 05KTFCST VA CLD +6 HR: 12/1740Z SFC/FL150 S0806 E11300 - S0812 E11255 - S0803 E11231 - S0744 E11238 - S0742 E11255FCST VA CLD +12 HR: 12/2340Z SFC/FL150 S0811 E11255 - S0805 E11230 - S0751 E11232 - S0745 E11237 - S0744 E11253 - S0806 E11300FCST VA CLD +18 HR: 13/0540Z SFC/FL150 S0807 E11300 - S0811 E11254 - S0806 E11230 - S0752 E11231 - S0743 E11238 - S0742 E11255RMK: VA NOT IDENTIFIABLE ON CURRENT SAT IMG DUE TO MET CLOUD. DISCRETE, INTERMITTENT VA EMISSIONS ARE EXPECTED TO BE ONGOING. GROUND REPORTS CONFIRM CONTINUING ERUPTIONS. VA HEIGHT BASED ON GND REP MOVEMENT BASED ON RECENT SATELLITE IMAGERY AND MODEL GUIDANCE.NXT ADVISORY: NO LATER THAN 20260412/1800Z=