Reventador Volcanic Ash Advisory: ash plume to 16,000 ft (4,900 m) as of Sep 28, 01:50 UTC

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 16000 ft (4900 m), or flight level 160.
Original VAAC bulletin:

FVXX21 at 02:14 UTC, 28/09/26 from KNES
VA ADVISORY
DTG: 20260928/0212Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0005 W07739

AREA: ECUADOR

SOURCE ELEV: 11686 FT AMSL

ADVISORY NR: 2026/1003

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

ERUPTION DETAILS: ONGOING VA EMS

OBS VA DTG: 28/0150Z

OBS VA CLD: SFC/FL160 N0007 W07749 - S0004 W07739
- S0005 W07740 - N0001 W07753 - N0007 W07749 MOV
NW 10KT

FCST VA CLD +6HR: 28/0800Z SFC/FL160 N0011 W07753
- S0004 W07740 - S0005 W07740 - N0003 W07756 -
N0011 W07753

FCST VA CLD +12HR: 28/1400Z SFC/FL160 N0011
W07753 - S0005 W07740 - S0005 W07740 - N0003
W07757 - N0011 W07753

FCST VA CLD +18HR: 28/2000Z SFC/FL160 N0012
W07752 - S0004 W07739 - S0005 W07740 - N0003
W07756 - N0012 W07752

RMK: VA DETECTED ON STLT MOVG NW OF SUMMIT. VONA
INDICATES VA EMS AND HOTSPOT ON SWIR. NO CHG FCST
TO MDL WINDS AT FL NXT 18 HR. ...KONON

NXT ADVISORY: WILL BE ISSUED BY 20260928/0815Z

Etna Volcanic Ash Advisory: weak ash emission as of 27 Sep 2026, 22:00 UTC

Satellite image of Etna volcano on 27 Sep 2026

A weak ash emission was observed from Etna as of 22:00 UTC on 27 September 2026. An eruption began at 05:20 UTC on 24 September 2026; forecasts indicate possible ash presence up to FL120 in the following hours.
Original VAAC bulletin:

FVXX01 at 22:00 UTC, 27/09/26 from LFPW
VA ADVISORY
DTG: 20260927/2200Z
VAAC: TOULOUSE
VOLCANO: ETNA 211060
PSN: N3744 E01459
AREA: SICILY VOLCANIC PROVINCE
SOURCE ELEV: 3357M
ADVISORY NR: 2026/188
INFO SOURCE: SAT IMAGERY, WEBCAMS, VONA
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION AT 20260924/0520Z WEAK ASH EMISSION
OBS VA DTG: 27/2200Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL120 030/10KT
FCST VA CLD +6 HR: 28/0400Z SFC/FL120 N3748 E01457 - N3748 E01503 -
N3721 E01506 - N3723 E01451 - N3748 E01457
FCST VA CLD +12 HR: 28/1000Z SFC/FL120 N3751 E01457 - N3751 E01506 -
N3718 E01500 - N3727 E01433 - N3751 E01457
FCST VA CLD +18 HR: 28/1600Z SFC/FL120 N3751 E01457 - N3751 E01506 -
N3723 E01506 - N3727 E01445 - N3751 E01457
RMK: THIN AND NARROW ASH PLUME DRIFTING TOWARDS SOUTH-WEST. DUE TO
THE LOW INTENSITY OF THE EVENT QVA ARE NOT PROVIDED.
NXT ADVISORY: NO LATER THAN 20260928/0400Z=

Sheveluch Volcanic Ash Advisory: no observed ash plume height reported

The Anchorage VAAC issued a bulletin for Sheveluch on 27 September 2026 at 18:08 UTC. No observed ash plume height or observation time was provided in this advisory.
Original VAAC bulletin:

FVAK21 at 18:08 UTC, 27/09/26 from PAWU
VAAAK1
VA ADVISORY
DTG: 20260927/1808Z
VAAC: ANCHORAGE
VOLCANO: SHEVELUCH 300270
PSN N5639 E161021
AREA: KAMCHATKA PENINSULA
SOURCE ELEV: 10768 FT AMSL
ADVISORY NR: 2026/261
INFO SOURCE: VAAC TOKYO
ERUPTION DETAILS: NOT PROVIDED
OBS VA DTG: NOT PROVIDED
OBS VA CLD: NOT PROVIDED
FCST VA CLD +6HR: NOT PROVIDED
FCST VA CLD +12HR: NOT PROVIDED
FCST VA CLD +18HR: NOT PROVIDED
RMK: PLEASE SEE FVFE01 RJTD ISSUED BY TOKYO VAAC WHICH DESCRIBES
CONDITIONS NEAR THE ANCHORAGE VAAC AREA OF RESPONSIBILITY. ...TS
NXT ADVISORY: WILL BE ISSUED BY 20260927/2114Z

Sangay Volcanic Ash Advisory: ash plume to 22,000 ft (6,700 m) as of Sep 27, 10:50 UTC

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 22000 ft (6700 m), or flight level 220.
Original VAAC bulletin:

FVXX25 at 11:26 UTC, 27/09/26 from KNES
VA ADVISORY
DTG: 20260927/1124Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SOURCE ELEV: 17342 FT AMSL

ADVISORY NR: 2026/617

INFO SOURCE: GOES-19. NWP MODELS.

ERUPTION DETAILS: VA EMS OBS

OBS VA DTG: 27/1050Z

OBS VA CLD: SFC/FL220 S0149 W07832 - S0159 W07820
- S0201 W07821 - S0152 W07834 - S0149 W07832 MOV
NW 10KT

FCST VA CLD +6HR: 27/1700Z SFC/FL220 S0154 W07843
- S0159 W07820 - S0202 W07820 - S0159 W07844 -
S0154 W07843

FCST VA CLD +12HR: 27/2300Z SFC/FL220 S0152
W07843 - S0159 W07820 - S0202 W07820 - S0157
W07844 - S0152 W07843

FCST VA CLD +18HR: 28/0500Z SFC/FL220 S0155
W07839 - S0158 W07820 - S0202 W07820 - S0200
W07840 - S0155 W07839

RMK: VA EMS OBS IN STLT IMG UP TO APPRX 17NM FM
SUMMIT. NWP MDL GUIDANCE FCSTS GEN W TO WNW MOVMT
THRU T+18. HGT BASED ON MOVMT AND NWP MDLS.
...MONAGHAN

NXT ADVISORY: WILL BE ISSUED BY 20260927/1730Z

Nevados de Chillán Volcanic Ash Advisory: weak ash emissions as of 27 Sep 2026, 09:10 UTC

Weak volcanic ash emissions were reported at Nevados de Chillán as of 09:10 UTC on 27 September 2026, but no ash cloud was identifiable in satellite data. No further advisories are expected unless conditions change.
Original VAAC bulletin:

FVAG01 at 09:45 UTC, 27/09/26 from SABM
VA ADVISORY
DTG: 20260927/0945Z

VAAC: BUENOS AIRES

VOLCANO: NEVADOS DE CHILLAN 357070
PSN: S3651 W07122

AREA: CHILE

SUMMIT ELEV: 10538 FT [3212 M]

ADVISORY NR: 2026/004

INFO SOURCE: SVO. GOES-E.

AVIATION COLOUR CODE: NOT GIVEN

ERUPTION DETAILS: WEAK VA EMS

OBS VA DTG: 27/0910Z

OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA

FCST VA CLD +6 HR: 27/1510Z NO VA EXP

FCST VA CLD +12 HR: 27/2110Z NO VA EXP

FCST VA CLD +18 HR: 28/0310Z NO VA EXP

RMK: ALTHOUGHT SVO INFORMED VA EMS DETECTED THERE
IS NO INDICATION OF VA IN STLT IMAGERY. WE WILL
CONTINUE MONITORING AND ISSUE AN ADVISORY IF
NECESSARY. ...SMN

NXT ADVISORY: NO FURTHER ADVISORIES=