The Volcanic Ash Advisory Center (VAAC) Darwin issued the following bulletin.
Original VAAC bulletin:
FVAU02 at 15:08 UTC, 27/10/26 from ADRM
VA ADVISORY
DTG: 20261027/1510Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/1229
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: ERUPTION LAST REPORTED AT 27/1304Z
EST VA DTG: 27/1450Z
EST VA CLD: SFC/FL150 S0803 E11252 - S0802 E11257 - S0834
E11311 - S0840 E11302 - S0838 E11250 MOV S 10KT
FCST VA CLD +6 HR: 27/2050Z SFC/FL150 S0803 E11252 - S0802
E11257 - S0834 E11311 - S0840 E11302 - S0838 E11250
FCST VA CLD +12 HR: 28/0250Z SFC/FL150 S0803 E11251 - S0802
E11258 - S0832 E11310 - S0840 E11302 - S0834 E11248
FCST VA CLD +18 HR: 28/0850Z SFC/FL150 S0802 E11252 - S0802
E11259 - S0828 E11305 - S0836 E11256 - S0826 E11245
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. REGULAR GROUND REPORTS INDICATE INTERMITTENT
ERUPTIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED ON
SATELLITE IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20261027/2110Z=