Satellite image of Semeru volcano on 18 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 23:22 UTC, 18/07/26 from ADRMVA ADVISORYDTG: 20260718/2320ZVAAC: DARWINVOLCANO: SEMERU 263300PSN: S0806 E11255AREA: INDONESIASOURCE ELEV: 3657M AMSLADVISORY NR: 2026/817INFO SOURCE: HIMAWARI-9, CVGHMERUPTION DETAILS: VA TO FL150 OBS AT 18/2300Z MOV ENEOBS VA DTG: 18/2300ZOBS VA CLD: SFC/FL150 S0803 E11251 - S0756 E11307 - S0759 E11315 - S0807 E11311 - S0810 E11251 MOV E 10KTFCST VA CLD +6 HR: 19/0500Z SFC/FL150 S0803 E11251 - S0757 E11319 - S0806 E11327 - S0815 E11318 - S0810 E11251FCST VA CLD +12 HR: 19/1100Z SFC/FL150 S0803 E11251 - S0752 E11318 - S0803 E11327 - S0815 E11318 - S0810 E11251FCST VA CLD +18 HR: 19/1700Z SFC/FL150 S0803 E11251 - S0801 E11319 - S0810 E11326 - S0818 E11317 - S0810 E11251RMK: DISCRETE VA EMISSION IDENTIFIABLE ON SATELLITE IMAGERY. GROUND REPORTS INDICATE INTERMITTENT VA EMISSIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.NXT ADVISORY: NO LATER THAN 20260719/0520Z=