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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

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

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=

An ash plume from Semeru was observed on webcam at 02:00 UTC on 27 September 2026, moving southeast. Forecasts indicate continued movement, but the ash was not identifiable on the latest satellite imagery.
Original VAAC bulletin:

FVAU02 at 05:18 UTC, 27/09/26 from ADRM
VA ADVISORY
DTG: 20260927/0520Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/1106
INFO SOURCE: HIMAWARI-9, CVGHM, WEBCAM
ERUPTION DETAILS: VA OBS ON WEBCAM AT 27/0200Z MOV SE
EST VA DTG: 27/0500Z
EST VA CLD: SFC/FL150 S0806 E11251 - S0802 E11255 - S0819
 E11324 - S0833 E11324 - S0836 E11312 MOV SE 10KT
FCST VA CLD +6 HR: 27/1100Z SFC/FL150 S0808 E11252 - S0802
 E11253 - S0758 E11319 - S0811 E11324 - S0822 E11317
FCST VA CLD +12 HR: 27/1700Z SFC/FL150 S0807 E11251 - S0800
 E11254 - S0801 E11320 - S0821 E11323 - S0826 E11306
FCST VA CLD +18 HR: 27/2300Z SFC/FL150 S0806 E11251 - S0801
 E11255 - S0806 E11324 - S0827 E11324 - S0832 E11304
RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY. GROUND
 REPORTS INDICATE INTERMITTENT ERUPTIONS ARE ONGOING. HEIGHT
 AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND REPORTS AND
 MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260927/1120Z=