Sporadic puff emissions were reported at Nevados de Chillán. Ash was not identifiable in satellite data, but light emissions were seen on webcam as of October 17, 2026, 01:20 UTC.
Original VAAC bulletin:
FVAG01 at 01:10 UTC, 17/10/26 from SABM
VA ADVISORY
DTG: 20261017/0120Z
VAAC: BUENOS AIRES
VOLCANO: NEVADOS DE CHILLAN 357070
PSN: S3651 W07122
AREA: CHILE
SUMMIT ELEV: 10538 FT [3212 M]
ADVISORY NR: 2026/021
INFO SOURCE: GOES-E. GFS. WEBCAM.
AVIATION COLOUR CODE: NOT GIVEN
ERUPTION DETAILS: SPORADIC PUFF EMISSION
EST VA DTG: 17/0030Z
EST VA CLD: SFC/FL120 S3651 W07123 - S3710 W07107
- S3722 W07119 - S3711 W07134 - S3651 W07123 MOV
S 10KT
FCST VA CLD +6 HR: 17/0630Z SFC/FL120 S3651 W07122
- S3716 W07058 - S3733 W07110 - S3720 W07131 -
S3651 W07122
FCST VA CLD +12 HR: 17/1230Z SFC/FL120 S3652
W07121 - S3719 W07052 - S3741 W07107 - S3723
W07126 - S3652 W07121
FCST VA CLD +18 HR: 17/1830Z NOT PROVIDED
RMK: VA NOT IDENTIFIABLE FM STLT DATA. SPORADIC
LIGHT EMS ON WEBCAM. T+0 EST FM PREVIOUS FCST.
...SMN
NXT ADVISORY: WILL BE ISSUED BY 20261017/0720Z=