The Volcanic Ash Advisory Center (VAAC) Darwin issued the following bulletin.
Original VAAC bulletin:
FVAU02 at 12:18 UTC, 08/10/26 from ADRM
VA ADVISORY
DTG: 20261008/1220Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/1152
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA ERUPTION REPORTED AT 08/1003Z
EST VA DTG: 08/1200Z
EST VA CLD: SFC/FL150 S0816 E11253 - S0804 E11244 - S0743
E11304 - S0748 E11319 - S0804 E11317 MOV NE 05KT
FCST VA CLD +6 HR: 08/1800Z SFC/FL150 S0803 E11251 - S0750
E11311 - S0800 E11323 - S0815 E11315 - S0810 E11251
FCST VA CLD +12 HR: 09/0000Z SFC/FL150 S0803 E11251 - S0753
E11314 - S0804 E11323 - S0814 E11315 - S0810 E11251
FCST VA CLD +18 HR: 09/0600Z SFC/FL150 S0803 E11251 - S0756
E11315 - S0804 E11323 - S0812 E11316 - S0810 E11251
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. REGULAR GROUND REPORTS INDICATE DISCRETE ERUPTIONS
ARE ONGOING. VA HEIGHT AND MOVEMENT BASED ON SATELLITE
IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20261008/1820Z=