Volcanic ash was last reported at Ibu at 21 September 2026, 21:34 UTC, with estimated movement to the northeast at 10 knots. Ash height was not specified; intermittent discrete eruptions are ongoing according to ground reports.Original VAAC bulletin:FVAU03 at 22:07 UTC, 21/09/26 from ADRMVA ADVISORYDTG: 20260921/2210ZVAAC: DARWINVOLCANO: IBU 268030PSN: N0129 E12738AREA: INDONESIASOURCE ELEV: 1325M AMSLADVISORY NR: 2026/1074INFO SOURCE: HIMAWARI-9, CVGHMERUPTION DETAILS: VA LAST REPORTED AT 21/2134ZEST VA DTG: 21/2150ZEST VA CLD: SFC/FL070 N0132 E12735 - N0148 E12753 - N0132 E12809 - N0120 E12752 - N0125 E12735 MOV NE 10KTFCST VA CLD +6 HR: 22/0350Z SFC/FL070 N0128 E12734 - N0141 E12736 - N0149 E12750 - N0141 E12802 - N0124 E12759 - N0123 E12739FCST VA CLD +12 HR: 22/0950Z SFC/FL070 N0132 E12735 - N0141 E12744 - N0141 E12800 - N0118 E12800 - N0124 E12735FCST VA CLD +18 HR: 22/1550Z SFC/FL070 N0131 E12735 - N0147 E12752 - N0140 E12801 - N0129 E12801 - N0119 E12752 - N0125 E12735RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET CLOUD. REGULAR GROUND REPORTS INDICATE INTERMITTENT DISCRETE ERUPTIONS ARE ONGOING. HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.NXT ADVISORY: NO LATER THAN 20260922/0410Z=