Satellite image of Semeru volcano on 17 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 11:13 UTC, 17/07/26 from ADRMVA ADVISORYDTG: 20260717/1120ZVAAC: DARWINVOLCANO: SEMERU 263300PSN: S0806 E11255AREA: INDONESIASOURCE ELEV: 3657M AMSLADVISORY NR: 2026/811INFO SOURCE: HIMAWARI-9, CVGHMERUPTION DETAILS: VA TO FL150 OBS AT 17/1100Z MOV NEOBS VA DTG: 17/1100ZOBS VA CLD: SFC/FL150 S0810 E11253 - S0804 E11251 - S0748 E11314 - S0752 E11327 - S0809 E11324 MOV NE 05KTFCST VA CLD +6 HR: 17/1700Z SFC/FL150 S0810 E11253 - S0804 E11251 - S0749 E11318 - S0758 E11325 - S0810 E11323FCST VA CLD +12 HR: 17/2300Z SFC/FL150 S0809 E11252 - S0803 E11252 - S0752 E11318 - S0807 E11327 - S0815 E11317FCST VA CLD +18 HR: 18/0500Z SFC/FL150 S0803 E11252 - S0753 E11319 - S0808 E11327 - S0816 E11318 - S0816 E11318 - S0809 E11252RMK: DISCRETE VA EMISSION IDENTIFIABLE ON CURRENT RGB SATELLITE IMAGERY. GROUND REPORTS CONFIRM INTERMITTENT ERUPTIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.NXT ADVISORY: NO LATER THAN 20260717/1720Z=