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=