Satellite image of Semeru volcano on 21 Apr 2026Volcanic Ash Advisory Center Darwin (VAAC) issued the following report:FVAU02 at 04:57 UTC, 21/04/26 from ADRMVA ADVISORYDTG: 20260421/0500ZVAAC: DARWINVOLCANO: SEMERU 263300PSN: S0806 E11255AREA: INDONESIASOURCE ELEV: 3657M AMSLADVISORY NR: 2026/454INFO SOURCE: HIMAWARI-9, CVGHMERUPTION DETAILS: DISCRETE VA TO FL150 LAST REPORTED 21/0005ZEST VA DTG: 21/0430ZEST VA CLD: SFC/FL150 S0808 E11300 - S0822 E11156 - S0755 E11146 - S0731 E11210 - S0759 E11301 MOV W 05KTFCST VA CLD +6 HR: 21/1030Z SFC/FL150 S0808 E11301 - S0819 E11226 - S0804 E11205 - S0732 E11205 - S0728 E11238 - S0759 E11301FCST VA CLD +12 HR: 21/1630Z SFC/FL150 S0803 E11301 - S0851 E11316 - S0848 E11224 - S0801 E11250FCST VA CLD +18 HR: 21/2230Z SFC/FL150 S0803 E11300 - S0851 E11317 - S0849 E11223 - S0802 E11251RMK: VA NOT IDENTIFIABLE ON RECENT SAT IMAGERY DUE TO MET CLOUD. VA EMISSION IS EXPECTED TO BE ONGOING. VA HEIGHT AND MOVEMENT BASED ON SAT IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.NXT ADVISORY: NO LATER THAN 20260421/1100Z=