Ibu Volcanic Ash Advisory: ash plume to 6,000 ft (1,800 m) as of Oct 23, 09:20 UTC

Satellite image of Ibu volcano on 23 Oct 2026

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 6000 ft (1800 m), or flight level 060.
Original VAAC bulletin:

FVAU03 at 09:43 UTC, 23/10/26 from ADRM
VA ADVISORY
DTG: 20261023/0950Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/1204
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL060 MOV WEST
OBS VA DTG: 23/0920Z
OBS VA CLD: SFC/FL060 N0135 E12740 - N0128 E12744 - N0119
 E12731 - N0115 E12714 - N0137 E12714 MOV W 05KT
FCST VA CLD +6 HR: 23/1520Z SFC/FL060 N0136 E12740 - N0130
 E12748 - N0107 E12741 - N0115 E12711 - N0139 E12714
FCST VA CLD +12 HR: 23/2120Z SFC/FL060 N0131 E12743 - N0127
 E12743 - N0116 E12724 - N0124 E12708 - N0144 E12714 - N0150
 E12726
FCST VA CLD +18 HR: 24/0320Z SFC/FL060 N0127 E12743 - N0121
 E12712 - N0143 E12713 - N0151 E12726 - N0131 E12743
RMK: INTERMITTENT DISCRETE ERUPTION IDENTIFIABLE ON
 SATELLITE IMAGERY. GROUND REPORTS ALSO INDICATE INTERMITTENT
 ERUPTIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED ON
 SATELLITE IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20261023/1550Z=