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 SABMVA ADVISORYDTG: 20260927/0945ZVAAC: BUENOS AIRESVOLCANO: NEVADOS DE CHILLAN 357070PSN: S3651 W07122AREA: CHILESUMMIT ELEV: 10538 FT [3212 M]ADVISORY NR: 2026/004INFO SOURCE: SVO. GOES-E.AVIATION COLOUR CODE: NOT GIVENERUPTION DETAILS: WEAK VA EMSOBS VA DTG: 27/0910ZOBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATAFCST VA CLD +6 HR: 27/1510Z NO VA EXPFCST VA CLD +12 HR: 27/2110Z NO VA EXPFCST VA CLD +18 HR: 28/0310Z NO VA EXPRMK: ALTHOUGHT SVO INFORMED VA EMS DETECTED THEREIS NO INDICATION OF VA IN STLT IMAGERY. WE WILLCONTINUE MONITORING AND ISSUE AN ADVISORY IFNECESSARY. ...SMNNXT ADVISORY: NO FURTHER ADVISORIES=