Semeru Volcano Volcanic Ash Advisory: VA TO FL150 OBS AT 19/2300Z MOV E OBS VA DTG: 19/2300Z to 15000 ft (4600 m)

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 23:18 UTC, 19/07/26 from ADRM
VA ADVISORY
DTG: 20260719/2320Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/821
INFO SOURCE: HIMAWARI-9, CVGHM, WEBCAM
ERUPTION DETAILS: VA TO FL150 OBS AT 19/2300Z MOV E
OBS VA DTG: 19/2300Z
OBS VA CLD: SFC/FL150 S0803 E11252 – S0803 E11302 – S0809
E11304 – S0813 E11259 – S0809 E11252 MOV E 10KT
FCST VA CLD +6 HR: 20/0500Z SFC/FL150 S0803 E11252 – S0801
E11321 – S0813 E11326 – S0822 E11317 – S0810 E11252
FCST VA CLD +12 HR: 20/1100Z SFC/FL150 S0803 E11252 – S0800
E11321 – S0812 E11327 – S0821 E11318 – S0809 E11252
FCST VA CLD +18 HR: 20/1700Z SFC/FL150 S0803 E11252 – S0800
E11321 – S0809 E11327 – S0817 E11320 – S0810 E11252
RMK: DISCRETE VA EMISSION IDENTIFIABLE ON SATELLITE IMAGERY.
GROUND REPORTS AND WEBCAM IMAGERY INDICATE INTERMITTENT VA
ERUPTIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED ON
SATELLITE IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260720/0520Z=