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 17:53 UTC, 13/04/26 from ADRMVA ADVISORYDTG: 20260413/1800ZVAAC: DARWINVOLCANO: SEMERU 263300PSN: S0806 E11255AREA: INDONESIASOURCE ELEV: 3657M AMSLADVISORY NR: 2026/424INFO SOURCE: HIMAWARI-9, CVGHMERUPTION DETAILS: VA TO FL150 LAST REP AT 13/1512ZEST VA DTG: 13/1740ZEST VA CLD: SFC/FL150 S0811 E11254 - S0757 E11235 - S0741 E11238 - S0738 E11258 - S0745 E11306 - S0809 E11301 MOV NW 05KTFCST VA CLD +6 HR: 13/2340Z SFC/FL150 S0811 E11254 - S0750 E11235 - S0738 E11248 - S0738 E11300 - S0743 E11305 - S0810 E11300FCST VA CLD +12 HR: 14/0540Z SFC/FL150 S0810 E11259 - S0811 E11252 - S0750 E11235 - S0737 E11249 - S0745 E11308FCST VA CLD +18 HR: 14/1140Z SFC/FL150 S0810 E11251 - S0749 E11239 - S0738 E11253 - S0746 E11308 - S0810 E11300RMK: VA NOT IDENTIFIABLE ON SAT IMG DUE TO MET CLOUD. GROUND REPORTS INDICATE DISCRETE, INTERMITTENT ERUPTIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED ON RECENT SAT IMG, GROUND REPORTS AND MODEL GUIDANCE.NXT ADVISORY: NO LATER THAN 20260414/0000Z=