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 04:25 UTC, 25/06/26 from ADRM
VA ADVISORY
DTG: 20260625/0430Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/720
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 OBS AT 25/0350Z MOV SW
OBS VA DTG: 25/0410Z
OBS VA CLD: SFC/FL150 S0800 E11258 – S0808 E11302 – S0849
E11217 – S0838 E11147 – S0813 E11158 MOV SW 10KT
FCST VA CLD +6 HR: 25/1010Z SFC/FL150 S0800 E11257 – S0809
E11302 – S0845 E11210 – S0832 E11146 – S0810 E11156
FCST VA CLD +12 HR: 25/1610Z SFC/FL150 S0801 E11257 – S0810
E11301 – S0838 E11204 – S0824 E11139 – S0803 E11156
FCST VA CLD +18 HR: 25/2210Z SFC/FL150 S0801 E11258 – S0810
E11300 – S0833 E11205 – S0822 E11141 – S0802 E11157
RMK: DISCRETE VA IDENTIFIABLE ON SATELLITE IMAGERY MOV SW.
GROUND REPORTS INDICATE ONGOING DISCRETE EMISSIONS. HEIGHT
AND MOVEMENT BASED ON SATELLITE IMAGE, GROUND REPORTS AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260625/1030Z=