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 20:47 UTC, 06/12/25 from ADRM
VA ADVISORY
DTG: 20251206/2050Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2025/1394
INFO SOURCE: CVGHM, HIMAWARI-9, WEBCAM
ERUPTION DETAILS: VA TO FL150 OBS AT 06/2030Z MOV S
OBS VA DTG: 06/2030Z
OBS VA CLD: SFC/FL150 S0758 E11251 – S0759 E11302 – S0818
E11304 – S0824 E11249 – S0811 E11242 MOV S 05KT
FCST VA CLD +6 HR: 07/0230Z SFC/FL150 S0756 E11251 – S0802
E11305 – S0824 E11301 – S0824 E11240 – S0810 E11236
FCST VA CLD +12 HR: 07/0830Z SFC/FL150 S0801 E11304 – S0823
E11253 – S0824 E11238 – S0808 E11236 – S0756 E11248
FCST VA CLD +18 HR: 07/1430Z SFC/FL150 S0813 E11301 – S0822
E11248 – S0805 E11235 – S0752 E11251 – S0801 E11303
RMK: VA PARTIALLY OBSERVED ON LATEST RGB SATELLITE IMAGERY.
DISCRETE VA EMISSIONS BELIEVED TO BE ONGOING. VA HEIGHT AND
MOVEMENT BASED ON SATELLITE IMAGERY, GROUND REPORTS AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251207/0250Z=