Ibu Volcanic Ash Advisory: ash plume to 7,000 ft (2,100 m) as of Oct 3, 09:40 UTC

Satellite image of Ibu volcano on 3 Oct 2026

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 7000 ft (2100 m), or flight level 070, and moving at 15 kts in E direction.
Original VAAC bulletin:

FVAU03 at 09:57 UTC, 03/10/26 from ADRM
VA ADVISORY
DTG: 20261003/1000Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/1122
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: INTERMITTENT VA ERUPTIONS TO FL070 OBS MOV
 ESE OF SUMMIT
OBS VA DTG: 03/0940Z
OBS VA CLD: SFC/FL070 N0126 E12736 - N0133 E12736 - N0147
 E12830 - N0127 E12847 - N0104 E12830 MOV E 15KT
FCST VA CLD +6 HR: 03/1540Z SFC/FL070 N0126 E12736 - N0133
 E12736 - N0147 E12830 - N0131 E12847 - N0111 E12833
FCST VA CLD +12 HR: 03/2140Z SFC/FL070 N0126 E12736 - N0133
 E12736 - N0150 E12831 - N0136 E12847 - N0119 E12834
FCST VA CLD +18 HR: 04/0340Z SFC/FL070 N0124 E12738 - N0132
 E12733 - N0202 E12812 - N0151 E12838 - N0130 E12834
RMK: VA EMISSIONS IDENTIFIABLE ON CURRENT SATELLITE IMAGERY.
 INTERMITTENT ERUPTIONS ARE ONGOING. HEIGHT AND MOVEMENT
 BASED ON SATELLITE IMAGERY, GROUND REPORTS AND MODEL
 GUIDANCE.
NXT ADVISORY: NO LATER THAN 20261003/1600Z=