Satellite image of Ibu volcano on 4 Sep 2026A ground report indicated volcanic ash moving northwest from Ibu as of 4 September 2026, 18:32 UTC. Ash was not identifiable on the latest satellite imagery due to meteorological clouds; forecasts suggest ongoing emissions.Original VAAC bulletin:FVAU03 at 21:55 UTC, 04/09/26 from ADRMVA ADVISORYDTG: 20260904/2200ZVAAC: DARWINVOLCANO: IBU 268030PSN: N0129 E12738AREA: INDONESIASOURCE ELEV: 1325M AMSLADVISORY NR: 2026/1005INFO SOURCE: HIMAWARI-9, CVGHMERUPTION DETAILS: VA REP FM GND AT 04/1832Z MOV NWEST VA DTG: 04/2130ZEST VA CLD: SFC/FL070 N0126 E12736 - N0141 E12718 - N0152 E12728 - N0150 E12741 - N0129 E12742 MOV NW 05KTFCST VA CLD +6 HR: 05/0330Z SFC/FL070 N0126 E12736 - N0138 E12719 - N0150 E12727 - N0149 E12742 - N0128 E12742FCST VA CLD +12 HR: 05/0930Z SFC/FL070 N0128 E12741 - N0126 E12736 - N0142 E12718 - N0152 E12730 - N0150 E12745FCST VA CLD +18 HR: 05/1530Z SFC/FL070 N0127 E12736 - N0142 E12720 - N0151 E12733 - N0148 E12748 - N0128 E12741RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY DUE TO MET CLOUD. VA EMISSIONS EXPECTED TO BE ONGOING. VA HEIGHT AND FORECAST BASED ON HIMAWARI-9 IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.NXT ADVISORY: NO LATER THAN 20260905/0400Z=