Karangetang Volcanic Ash Advisory: ash plume to 9,000 ft (2,700 m) as of Sep 30, 22:50 UTC

Satellite image of Karangetang volcano on 30 Sep 2026

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 9000 ft (2700 m), or flight level 090.
Original VAAC bulletin:

FVAU05 at 23:09 UTC, 30/09/26 from ADRM
VA ADVISORY
DTG: 20260930/2309Z
VAAC: DARWIN
VOLCANO: KARANGETANG 267020
PSN: N0247 E12524
AREA: INDONESIA
SOURCE ELEV: 1797M AMSL
ADVISORY NR: 2026/2
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL090 OBS AT 30/2250Z MOV SE
OBS VA DTG: 30/2250Z
OBS VA CLD: SFC/FL090 N0247 E12524 - N0248 E12528 - N0244
 E12530 - N0242 E12527 - N0243 E12524 MOV SE 05KT
FCST VA CLD +6 HR: 01/0450Z SFC/FL090 N0247 E12524 - N0248
 E12531 - N0243 E12533 - N0239 E12530 - N0239 E12524
FCST VA CLD +12 HR: 01/1050Z SFC/FL090 N0247 E12524 - N0248
 E12531 - N0243 E12533 - N0239 E12530 - N0239 E12523
FCST VA CLD +18 HR: 01/1650Z SFC/FL090 N0247 E12524 - N0249
 E12531 - N0244 E12534 - N0239 E12531 - N0240 E12524
RMK: VA EMISSIONS OBS NEAR SUMMIT ON LATEST SATELLITE
 IMAGERY. CVGHM INDICATED ERUPTIVE BEHAVIOUR IN PAST 12 HOURS
 AND ASSUMED TO BE ONGOING. HEIGHT AND FORECAST BASED ON
 GROUND REPORT, SATELLITE IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20261001/0509Z=