Possible volcanic ash emissions were reported for Reventador, but no ash plume was observed on satellite or webcam as of September 7, 2026, 14:44 UTC. Forecasts indicate ash may continue moving west-northwest from the summit.Original VAAC bulletin:FVXX21 at 14:47 UTC, 07/09/26 from KNESVA ADVISORYDTG: 20260907/1444ZVAAC: WASHINGTONVOLCANO: REVENTADOR 352010PSN: S0004 W07739AREA: ECUADORSOURCE ELEV: 11686 FT AMSLADVISORY NR: 2026/919INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. ERUPTION DETAILS: PSBL VA EMS EST VA DTG: 07/1410ZEST VA CLD: SFC/FL140 N0001 W07746 - S0004 W07738- S0006 W07738 - S0005 W07749 - N0001 W07746 MOVW 15KT FCST VA CLD +6HR: 07/2000Z SFC/FL140 N0008 W07758- S0004 W07738 - S0006 W07739 - S0001 W07802 -N0008 W07758 FCST VA CLD +12HR: 08/0200Z SFC/FL140 N0007W07759 - S0004 W07738 - S0005 W07739 - S0002W07801 - N0007 W07759 FCST VA CLD +18HR: 08/0800Z NO VA EXPRMK: VA EMS NOT OBS ON STLT OR WEBCAM DUE TO WXCLDS. EMS LIKELY TO CONT WNW FM SUMMIT. LTLCG INVA MVMT EXP THRU T+12 ACCORDING TO NWP MDLS. ...EVANSNXT ADVISORY: WILL BE ISSUED BY 20260907/2045Z