Sakurajima Volcanic Ash Advisory: ash plume to 10,000 ft (3,000 m) as of Sep 20, 23:40 UTC

Satellite image of Sakurajima volcano on 21 Sep 2026

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Tokyo warned of a volcanic ash plume rising to an estimated 10000 ft (3000 m), or flight level 100, and moving at 15 kts in S direction.
Original VAAC bulletin:

FVFE01 at 00:07 UTC, 21/09/26 from RJTD
VA ADVISORY
DTG: 20260921/0007Z
VAAC: TOKYO
VOLCANO: SAKURAJIMA [AIRA CALDERA] 282080
PSN: N3136 E13039
AREA: JAPAN
SOURCE ELEV: 1117M AMSL
ADVISORY NR: 2026/213
INFO SOURCE: JMA HIMAWARI-9
ERUPTION DETAILS: ERUPTED AT 20260920/2306Z FL100 EXTD SE
OBS VA DTG: 20/2340Z
OBS VA CLD: SFC/FL100 N3133 E13038 - N3133 E13042 - N3130 E13043 - 
N3130 E13039 MOV S 15KT
FCST VA CLD +6 HR: 21/0540Z SFC/FL100 N3113 E13104 - N3036 E13115 - 
N3013 E13104 - N3010 E13045 - N3116 E13038
FCST VA CLD +12 HR: 21/1140Z SFC/FL100 N3057 E13037 - N2947 E13154 - 

N2915 E13111 - N3054 E13015
FCST VA CLD +18 HR: NO VA EXP
RMK: NIL
NXT ADVISORY: 20260921/0600Z=