Semeru Volcanic Ash Advisory: ash plume to 15,000 ft (4,600 m) as of Nov 12, 10:49 UTC

Satellite image of Semeru volcano on 12 Nov 2026

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 15000 ft (4600 m), or flight level 150, and moving at 10 kts in SW direction.
Original VAAC bulletin:

FVAU02 at 10:49 UTC, 12/11/26 from ADRM
VA ADVISORY
DTG: 20261112/1050Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/1294
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 LAST REPORTED AT 12/1023Z MOV
 SSW
EST VA DTG: 12/1030Z
EST VA CLD: SFC/FL150 S0811 E11300 - S0846 E11213 - S0822
 E11158 - S0759 E11256 MOV SW 10KT
FCST VA CLD +6 HR: 12/1630Z SFC/FL150 S0811 E11300 - S0844
 E11211 - S0813 E11156 - S0759 E11256
FCST VA CLD +12 HR: 12/2230Z SFC/FL150 S0811 E11300 - S0825
 E11159 - S0755 E11156 - S0759 E11256
FCST VA CLD +18 HR: 13/0430Z SFC/FL150 S0811 E11300 - S0816
 E11157 - S0740 E11202 - S0759 E11256
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
 CLOUD. GROUND REPORTS INDICATE DISCRETE VA EMISSIONS ARE
 ONGOING. VA HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY,
 GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20261112/1650Z=