Volcanic Ash Advisory Center Darwin (VAAC) issued the following report:
FVAU02 at 04:22 UTC, 31/12/25 from ADRM
VA ADVISORY
DTG: 20251231/0410Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2025/1495
INFO SOURCE: CVGHM, HIMAWARI-9, WEBCAM
ERUPTION DETAILS: VA ERUPTION LAST REPORTED AT 31/0009Z
EST VA DTG: 31/0350Z
EST VA CLD: SFC/FL150 S0802 E11251 – S0806 E11318 – S0826
E11313 – S0828 E11252 MOV SE 05KT
FCST VA CLD +6 HR: 31/0950Z SFC/FL150 S0810 E11251 – S0802
E11251 – S0748 E11311 – S0759 E11322 – S0814 E11322 – S0825
E11310
FCST VA CLD +12 HR: 31/1550Z SFC/FL150 S0810 E11251 – S0802
E11251 – S0748 E11311 – S0801 E11322 – S0818 E11320 – S0826
E11305
FCST VA CLD +18 HR: 31/2150Z SFC/FL150 S0810 E11251 – S0744
E11257 – S0753 E11318 – S0815 E11322 – S0830 E11304
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 SAT
IMG, GROUND REPORTS AND MODEL GUIDANCE. *ADVISORY CORRECTED
FOR +18HR FCST HEIGHT*
NXT ADVISORY: NO LATER THAN 20251231/1010Z=