Semeru Volcano Volcanic Ash Advisory: DISCRETE VA EMISSIONS TO FL150 OBS AT 12/2110Z MOV NE to 15000 ft (4600 m)

Satellite image of Semeru volcano on 12 Mar 2026

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 21:27 UTC, 12/03/26 from ADRM
VA ADVISORY
DTG: 20260312/2126Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/291
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: DISCRETE VA EMISSIONS TO FL150 OBS AT
12/2110Z MOV NE
OBS VA DTG: 12/2110Z
OBS VA CLD: SFC/FL150 S0810 E11255 – S0805 E11251 – S0739
E11304 – S0753 E11321 MOV NE 15KT
FCST VA CLD +6 HR: 13/0310Z SFC/FL150 S0808 E11253 – S0804
E11252 – S0745 E11316 – S0807 E11323
FCST VA CLD +12 HR: 13/0910Z SFC/FL150 S0804 E11252 – S0747
E11320 – S0808 E11325 – S0809 E11253
FCST VA CLD +18 HR: 13/1510Z SFC/FL150 S0809 E11253 – S0804
E11252 – S0751 E11321 – S0810 E11322
RMK: VA IDENTIFIABLE ON LATEST SATELLITE IMAGERY. 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 20260313/0326Z=