Ibu Volcanic Ash Advisory: ash plume to 7,000 ft (2,100 m) as of Aug 20, 07:50 UTC

Satellite image of Ibu volcano on 20 Aug 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.
Original VAAC bulletin:

FVAU03 at 08:05 UTC, 20/08/26 from ADRM
VA ADVISORY
DTG: 20260820/0810Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/942
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 REP AT 20/0710Z MOV S
OBS VA DTG: 20/0750Z
OBS VA CLD: SFC/FL070 N0131 E12739 - N0116 E12754 - N0108
 E12747 - N0107 E12736 - N0130 E12735 MOV SE 10KT
FCST VA CLD +6 HR: 20/1350Z SFC/FL070 N0131 E12739 - N0118
 E12755 - N0109 E12750 - N0107 E12739 - N0130 E12735
FCST VA CLD +12 HR: 20/1950Z SFC/FL070 N0131 E12739 - N0118
 E12755 - N0109 E12750 - N0107 E12739 - N0130 E12735
FCST VA CLD +18 HR: 21/0150Z SFC/FL070 N0131 E12739 - N0118
 E12755 - N0109 E12750 - N0107 E12739 - N0130 E12735
RMK: VA CURRENTLY NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE
 TO MET CLOUD, HOWEVER ASH STILL EXPECTED IN AREA. VA HEIGHT
 AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND REPORTS AND
 MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260820/1410Z=