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 23:02 UTC, 15/04/26 from ADRMVA ADVISORYDTG: 20260415/2300ZVAAC: DARWINVOLCANO: SEMERU 263300PSN: S0806 E11255AREA: INDONESIASOURCE ELEV: 3657M AMSLADVISORY NR: 2026/433INFO SOURCE: HIMAWARI-9, CVGHMERUPTION DETAILS: VA OBS TO FL150 AT 15/2230Z MOV NOBS VA DTG: 15/2230ZOBS VA CLD: SFC/FL150 S0809 E11251 - S0751 E11243 - S0747 E11259 - S0755 E11312 - S0811 E11258 MOV N 05KTFCST VA CLD +6 HR: 16/0430Z SFC/FL150 S0812 E11258 - S0809 E11249 - S0750 E11245 - S0747 E11258 - S0754 E11312FCST VA CLD +12 HR: 16/1030Z SFC/FL150 S0811 E11251 - S0754 E11241 - S0747 E11254 - S0751 E11308 - S0810 E11302FCST VA CLD +18 HR: 16/1630Z SFC/FL150 S0811 E11251 - S0750 E11242 - S0746 E11254 - S0749 E11307 - S0810 E11301RMK: DISCRETE VA IDENTIFIABLE NEAR SUMMIT ON RGB SAT IMG. GROUND REPORT AT 15/2211Z INDICATES INTERMITTENT DISCRETE VA ERUPTIONS CONTINUE. HEIGHT BASED ON CVGHM GROUND REPORTS. MOVEMENT BASED ON SAT IMG AND MODEL GUIDANCE.NXT ADVISORY: NO LATER THAN 20260416/0500Z=