Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 7000 ft (2100 m) altitude or flight level 070 .
The full report is as follows:
FVAU01 at 03:31 UTC, 21/12/25 from ADRM
VA ADVISORY
DTG: 20251221/0336Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2025/1423
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 OBSERVED 21/0030Z MOV E
EST VA DTG: 21/0310Z
EST VA CLD: SFC/FL070 N0127 E12736 – N0132 E12736 – N0138
E12757 – N0131 E12803 – N0123 E12758 MOV E 15KT
FCST VA CLD +6 HR: 21/0910Z SFC/FL070 N0127 E12737 – N0131
E12737 – N0139 E12758 – N0130 E12803 – N0120 E12758
FCST VA CLD +12 HR: 21/1510Z SFC/FL070 N0127 E12736 – N0131
E12736 – N0137 E12758 – N0129 E12803 – N0120 E12758
FCST VA CLD +18 HR: 21/2110Z SFC/FL070 N0129 E12734 – N0135
E12741 – N0129 E12803 – N0115 E12759 – N0114 E12747
RMK: VA IDENTIFIABLE ON RECENT SATELLITE IMAGERY. VA HEIGHT
AND MOVEMENT BASED ON H9 SATELLITE IMAGERY, GROUND REPORTS
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251221/0936Z=