Autor: global-affair

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=

An eruption was reported at Sakurajima at 17:15 UTC on 30 September 2026, but volcanic ash was not identifiable in satellite data as of 17:20 UTC. No further advisories are planned unless ash is detected.
Original VAAC bulletin:

FVFE01 at 17:50 UTC, 30/09/26 from RJTD
VA ADVISORY
DTG: 20260930/1749Z
VAAC: TOKYO
VOLCANO: SAKURAJIMA [AIRA CALDERA] 282080
PSN: N3136 E13039
AREA: JAPAN
SOURCE ELEV: 1117M AMSL
ADVISORY NR: 2026/255
INFO SOURCE: JMA HIMAWARI-9
ERUPTION DETAILS: ERUPTED AT 20260930/1715Z FL070 EXTD E
OBS VA DTG: 30/1720Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL070 290/8KT
FCST VA CLD +6 HR: NOT AVBL
FCST VA CLD +12 HR: NOT AVBL
FCST VA CLD +18 HR: NOT AVBL
RMK: WE WILL ISSUE FURTHER ADVISORY IF VA IS DETECTED IN SATELLITE 
IMAGERY.
NXT ADVISORY: NO FURTHER ADVISORIES=

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 19000 ft (5800 m), or flight level 190.
Original VAAC bulletin:

FVXX24 at 14:25 UTC, 30/09/26 from KNES
VA ADVISORY
DTG: 20260930/1423Z

VAAC: WASHINGTON

VOLCANO: PURACE 351060
PSN: N0219 W07624

AREA: COLOMBIA

SOURCE ELEV: 15256 FT AMSL

ADVISORY NR: 2026/561

INFO SOURCE: GOES-19. VONA. WEBCAM. NWP MODELS. 

ERUPTION DETAILS: OCNL VA EMS

OBS VA DTG: 30/1340Z

OBS VA CLD: SFC/FL190 N0220 W07625 - N0219 W07623
- N0207 W07628 - N0211 W07635 - N0220 W07625 MOV
SW 10KT 

FCST VA CLD +6HR: 30/1930Z SFC/FL190 N0219 W07625
- N0219 W07623 - N0205 W07623 - N0205 W07632 -
N0219 W07625 

FCST VA CLD +12HR: 01/0130Z SFC/FL190 N0219
W07623 - N0205 W07619 - N0205 W07628 - N0219
W07625 - N0219 W07623 

FCST VA CLD +18HR: 01/0730Z SFC/FL190 N0220
W07624 - N0220 W07623 - N0205 W07627 - N0210
W07634 - N0220 W07624 

RMK: OCNL VA EMS OBSD ON STLT IMG. VONA RCVD. VA
EMS SEEN ON WEBCAM. NWP MDLS FCST GEN WSW MVMT
THRU T+18 ...BUTLER

NXT ADVISORY: WILL BE ISSUED BY 20260930/2030Z

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.
Original VAAC bulletin:

FVAU02 at 11:20 UTC, 30/09/26 from ADRM
VA ADVISORY
DTG: 20260930/1120Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/1119
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 REPORTED AT 30/0102Z MOV NE
EST VA DTG: 30/1100Z
EST VA CLD: SFC/FL150 S0806 E11250 - S0745 E11304 - S0751
 E11322 - S0811 E11319 - S0812 E11254 MOV NE 05KT
FCST VA CLD +6 HR: 30/1700Z SFC/FL150 S0806 E11250 - S0747
 E11307 - S0755 E11323 - S0814 E11318 - S0812 E11254
FCST VA CLD +12 HR: 30/2300Z SFC/FL150 S0806 E11249 - S0742
 E11257 - S0745 E11317 - S0805 E11319 - S0812 E11254
FCST VA CLD +18 HR: 01/0500Z SFC/FL150 S0806 E11249 - S0742
 E11257 - S0742 E11314 - S0800 E11319 - S0812 E11254
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
 CLOUD. GROUND REPORTS INDICATE INTERMITTENT ERUPTIONS ARE
 ONGOING. HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY,
 GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260930/1720Z=