Satellite image of Semeru volcano on 8 Oct 2026Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 15000 ft (4600 m), or flight level 150.Original VAAC bulletin:FVAU02 at 00:19 UTC, 08/10/26 from ADRMVA ADVISORYDTG: 20261008/0020ZVAAC: DARWINVOLCANO: SEMERU 263300PSN: S0806 E11255AREA: INDONESIASOURCE ELEV: 3657M AMSLADVISORY NR: 2026/1150INFO SOURCE: HIMAWARI-9, CVGHMERUPTION DETAILS: VA TO FL150 OBS AT 08/0000ZOBS VA DTG: 08/0000ZOBS VA CLD: SFC/FL150 S0824 E11249 - S0817 E11234 - S0803 E11235 - S0748 E11304 - S0755 E11318 - S0811 E11318 MOV W 05KTFCST VA CLD +6 HR: 08/0600Z SFC/FL150 S0823 E11250 - S0815 E11233 - S0759 E11234 - S0735 E11304 - S0741 E11325 - S0759 E11329FCST VA CLD +12 HR: 08/1200Z SFC/FL150 S0810 E11253 - S0802 E11250 - S0742 E11307 - S0752 E11324 - S0809 E11318FCST VA CLD +18 HR: 08/1800Z SFC/FL150 S0807 E11252 - S0802 E11251 - S0749 E11310 - S0759 E11320 - S0759 E11320 - S0814 E11313RMK: DISCRETE VA EMISSION IDENTIFIABLE ON SATELLITE IMAGERY MOV W. RECENT GROUND REPORTS INDICATE ONGOING DISCRETE EMISSIONS. VA HEIGHT AND MOVEMENT BASED ON GROUND REPORTS, HIMAWARI-9 SAT AND MODEL GUIDANCE.NXT ADVISORY: NO LATER THAN 20261008/0620Z=