Satellite image of Semeru volcano on 25 May 2026Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 17000 ft (5200 m) altitude or flight level 170 .The full report is as follows:FVAU02 at 11:52 UTC, 25/05/26 from ADRMVA ADVISORYDTG: 20260525/1200ZVAAC: DARWINVOLCANO: SEMERU 263300PSN: S0806 E11255AREA: INDONESIASOURCE ELEV: 3657M AMSLADVISORY NR: 2026/592INFO SOURCE: HIMAWARI-9, CVGHMERUPTION DETAILS: VA TO FL170 REPORTED AT 25/0910Z MOV NEST VA DTG: 25/1140ZEST VA CLD: SFC/FL150 S0809 E11252 - S0742 E11242 - S0746 E11309 - S0809 E11259 MOV N 10KTFCST VA CLD +6 HR: 25/1740Z SFC/FL150 S0809 E11252 - S0742 E11246 - S0746 E11309 - S0809 E11259FCST VA CLD +12 HR: 25/2340Z SFC/FL150 S0806 E11250 - S0743 E11256 - S0753 E11317 - S0811 E11259FCST VA CLD +18 HR: 26/0540Z SFC/FL150 S0805 E11250 - S0743 E11256 - S0753 E11317 - S0811 E11259RMK: VA CURRENTLY UNIDENTIFIABLE ON LATEST SATELLITE IMAGERY DUE TO MET CLOUD, HOWEVER RECENT GROUND REPORTS INDICATE ONGOING ERUPTION. VA HEIGHT AND MOVEMENT BASED ON HIMAWARI-9 IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.NXT ADVISORY: NO LATER THAN 20260525/1800Z=