Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 .
The full report is as follows:
FVAU02 at 04:57 UTC, 23/12/25 from ADRM
VA ADVISORY
DTG: 20251223/0500Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2025/1462
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL150 LAST REPORTED 23/0036Z MOV N
EST VA DTG: 23/0440Z
EST VA CLD: SFC/FL150 S0810 E11257 – S0807 E11250 – S0737
E11253 – S0743 E11315 MOV NE 10KT
FCST VA CLD +6 HR: 23/1040Z SFC/FL150 S0808 E11259 – S0807
E11250 – S0738 E11252 – S0743 E11313
FCST VA CLD +12 HR: 23/1640Z SFC/FL150 S0808 E11257 – S0806
E11251 – S0739 E11256 – S0747 E11318
FCST VA CLD +18 HR: 23/2240Z SFC/FL150 S0809 E11255 – S0805
E11249 – S0737 E11304 – S0750 E11319
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. RECENT GROUND REPORTS INDICATE INTERMITTENT DISCRETE
EMISSIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED ON
GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251223/1100Z=