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 03:36 UTC, 20/12/25 from ADRM
VA ADVISORY
DTG: 20251220/0336Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2025/1419
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 OBSERVED 20/0040Z MOV NE
EST VA DTG: 20/0310Z
EST VA CLD: SFC/FL070 N0127 E12737 – N0130 E12735 – N0151
E12755 – N0137 E12805 MOV NE 15KT
FCST VA CLD +6 HR: 20/0910Z SFC/FL070 N0127 E12736 – N0131
E12735 – N0147 E12759 – N0127 E12804
FCST VA CLD +12 HR: 20/1510Z SFC/FL070 N0128 E12735 – N0132
E12735 – N0143 E12801 – N0126 E12805 – N0124 E12745
FCST VA CLD +18 HR: 20/2110Z SFC/FL070 N0127 E12736 – N0132
E12735 – N0144 E12800 – N0126 E12804 – N0122 E12746
RMK: VA IDENTIFIABLE ON RECENT SATELLITE IMAGERY. VA HEIGHT
AND MOVEMENT BASED ON SAT OBSERVATION, GROUND REPORTS AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251220/0936Z=