Ibu Volcanic Ash Advisory: ash plume to 8,000 ft (2,400 m) as of Sep 18, 10:04 UTC

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 8000 ft (2400 m), or flight level 080.
Original VAAC bulletin:

FVAU03 at 10:04 UTC, 18/09/26 from ADRM
VA ADVISORY
DTG: 20260918/1010Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/1060
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL080 OBS AT 18/0730Z MOV NE
EST VA DTG: 18/0940Z
EST VA CLD: SFC/FL070 N0129 E12735 - N0157 E12741 - N0154
E12802 - N0135 E12806 - N0126 E12739 MOV NE 05KT
FCST VA CLD +6 HR: 18/1540Z SFC/FL070 N0130 E12735 - N0154
E12751 - N0145 E12806 - N0128 E12806 - N0125 E12747 - N0126
E12737
FCST VA CLD +12 HR: 18/2140Z SFC/FL070 N0130 E12735 - N0151
E12757 - N0142 E12809 - N0125 E12809 - N0122 E12743 - N0126
E12737
FCST VA CLD +18 HR: 19/0340Z SFC/FL070 N0129 E12735 - N0150
E12757 - N0142 E12808 - N0125 E12808 - N0122 E12743 - N0126
E12738
RMK: VA NOT IDENTIFIABLE ON CURRENT SATELLITE IMAGERY.
HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND
REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260918/1610Z=

Sakurajima Volcanic Ash Advisory: no ash plume observed as of 18 Sep 2026, 06:40 UTC

Satellite image of Sakurajima volcano on 18 Sep 2026

An ash cloud was reported southwest of Sakurajima at FL080 at 06:32 UTC, but no ash was identifiable in satellite data as of 06:40 UTC on 18 September 2026. No further advisories are planned unless new ash is detected.
Original VAAC bulletin:

FVFE01 at 07:05 UTC, 18/09/26 from RJTD
VA ADVISORY
DTG: 20260918/0705Z
VAAC: TOKYO
VOLCANO: SAKURAJIMA [AIRA CALDERA] 282080
PSN: N3136 E13039
AREA: JAPAN
SOURCE ELEV: 1117M AMSL
ADVISORY NR: 2026/204
INFO SOURCE: AIREP HIMAWARI-9
ERUPTION DETAILS: VA AT 20260918/0632Z 3NM SW OF HKC FL080 STNR
REPORTED
OBS VA DTG: 18/0640Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL080 110/8KT
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=

Mayon Volcanic Ash Advisory: eruption reported as of 18 Sep 2026, 01:20 UTC

An eruption was reported at Mayon at 00:44 UTC on 18 September 2026, but volcanic ash was not identifiable in satellite data as of 01:20 UTC. No forecast ash cloud information is available.
Original VAAC bulletin:

FVFE01 at 01:47 UTC, 18/09/26 from RJTD
VA ADVISORY
DTG: 20260918/0147Z
VAAC: TOKYO
VOLCANO: MAYON 273030
PSN: N1315 E12341
AREA: PHILIPPINES
SOURCE ELEV: 2462M AMSL
ADVISORY NR: 2026/789
INFO SOURCE: HIMAWARI-9 PHIVOLCS
ERUPTION DETAILS: ERUPTION AT 20260918/0044Z FL090 EXTD NNE REPORTED
OBS VA DTG: 18/0120Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL090 180/3KT
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=

Sheveluch Volcanic Ash Advisory: no ash plume observed as of 22:50 UTC

Satellite image of Sheveluch volcano on 17 Sep 2026

An eruption was reported at Sheveluch at 22:35 UTC on 17 September 2026, but no volcanic ash cloud was identifiable in satellite data as of 22:50 UTC. No forecast information is available.
Original VAAC bulletin:

FVFE01 at 23:15 UTC, 17/09/26 from RJTD
VA ADVISORY
DTG: 20260917/2315Z
VAAC: TOKYO
VOLCANO: SHEVELUCH 300270
PSN: N5639 E16122
AREA: RUSSIA
SOURCE ELEV: 3283M AMSL
ADVISORY NR: 2026/332
INFO SOURCE: KBGS HIMAWARI-9
ERUPTION DETAILS: ERUPTION AT 20260917/2235Z FL170 EXTD E REPORTED
OBS VA DTG: 17/2250Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL170 320/25KT

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=

Fuego Volcanic Ash Advisory: ash plume to 15,000 ft (4,600 m) as of Sep 17, 16:10 UTC

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 15000 ft (4600 m), or flight level 150.
Original VAAC bulletin:

FVXX20 at 16:30 UTC, 17/09/26 from KNES
VA ADVISORY
DTG: 20260917/1628Z

VAAC: WASHINGTON

VOLCANO: FUEGO 342090
PSN: N1428 W09052

AREA: GUATEMALA

SOURCE ELEV: 12346 FT AMSL

ADVISORY NR: 2026/1088

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

ERUPTION DETAILS: CONTG FRQ VA EMS.

OBS VA DTG: 17/1610Z

OBS VA CLD: SFC/FL150 N1434 W09140 - N1431 W09052
- N1428 W09053 - N1422 W09140 - N1434 W09140 MOV
W 10KT

FCST VA CLD +6HR: 17/2200Z SFC/FL150 N1432 W09143
- N1431 W09052 - N1428 W09052 - N1419 W09143 -
N1432 W09143

FCST VA CLD +12HR: 18/0400Z SFC/FL150 N1447
W09141 - N1431 W09052 - N1428 W09052 - N1434
W09145 - N1447 W09141

FCST VA CLD +18HR: 18/1000Z SFC/FL150 N1435
W09143 - N1431 W09052 - N1428 W09052 - N1420
W09143 - N1435 W09143

RMK: CONTG FRQ VA EMS OBS IN SAT AND WEBCAM MOV W
UP TO 50 NM FM SUMMIT. OBS VA FL ESTD FM NWP MDLS
AND WEBCAM. FL MVMT FCST TO OSCILLATE BETWEEN W
AND NW THRU T+18 HRS. ...CLARK

NXT ADVISORY: WILL BE ISSUED BY 20260917/2230Z