Ibu Volcano Volcanic Ash Advisory: VA TO FL060 LAST REPORTED AT 11/1206Z EST VA DTG: 11/1230Z to 6000 ft (1800 m)

Satellite image of Ibu volcano on 11 Dec 2025

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 6000 ft (1800 m) altitude or flight level 060 and is moving at 05 kts in S direction.
The full report is as follows:

FVAU01 at 12:49 UTC, 11/12/25 from ADRM
VA ADVISORY
DTG: 20251211/1250Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2025/1384
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL060 LAST REPORTED AT 11/1206Z
EST VA DTG: 11/1230Z
EST VA CLD: SFC/FL070 N0131 E12740 – N0108 E12741 – N0113
E12722 – N0132 E12736 MOV S 05KT
FCST VA CLD +6 HR: 11/1830Z SFC/FL070 N0131 E12740 – N0108
E12741 – N0113 E12721 – N0132 E12737
FCST VA CLD +12 HR: 12/0030Z SFC/FL070 N0131 E12740 – N0108
E12741 – N0113 E12721 – N0132 E12737
FCST VA CLD +18 HR: 12/0630Z SFC/FL070 N0131 E12740 – N0108
E12742 – N0112 E12723 – N0132 E12736
RMK: VA UNIDENTIFIABLE ON LATEST SAT IMG DUE TO OBSCURATION
BY MET CLOUD, LAST OBS AT 10/2320Z. GROUND REPORT AT
11/1206Z INDICATES INTERMITTENT DISCRETE EMISSIONS REMAIN
ONGOING. VA HEIGHT AND MOVEMENT BASED ON MODEL GUIDANCE AND
GROUND REPORTS.
NXT ADVISORY: NO LATER THAN 20251211/1850Z=