Satellite image of Semeru volcano on 21 Jul 2026Explosive 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 23:07 UTC, 21/07/26 from ADRMVA ADVISORYDTG: 20260721/2310ZVAAC: DARWINVOLCANO: SEMERU 263300PSN: S0806 E11255AREA: INDONESIASOURCE ELEV: 3657M AMSLADVISORY NR: 2026/829INFO SOURCE: HIMAWARI-9, CVGHMERUPTION DETAILS: VA TO FL150 OBS AT 21/2250Z MOV ESEOBS VA DTG: 21/2250ZOBS VA CLD: SFC/FL150 S0802 E11252 - S0800 E11331 - S0814 E11335 - S0825 E11325 - S0810 E11250 MOV E 20KTFCST VA CLD +6 HR: 22/0450Z SFC/FL150 S0802 E11252 - S0800 E11334 - S0815 E11337 - S0827 E11328 - S0810 E11251FCST VA CLD +12 HR: 22/1050Z SFC/FL150 S0802 E11252 - S0800 E11334 - S0815 E11337 - S0827 E11328 - S0810 E11251FCST VA CLD +18 HR: 22/1650Z SFC/FL150 S0802 E11252 - S0800 E11334 - S0815 E11337 - S0827 E11328 - S0810 E11251RMK: VA IDENTIFIABLE ON SATELLITE IMAGERY MOV ESE. GROUND REPORTS INDICATE INTERMITTENT VA ERUPTIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.NXT ADVISORY: NO LATER THAN 20260722/0510Z=