FVXX20 KNES 282309 VA ADVISORY DTG: 20170428/2309Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2017/086 INFO SOURCE: VOLCANO WEB CAMERA. ERUPTION DETAILS: VA SEEN AT WEBCAM AT 28/2251Z RMK: WE HAVE RECEIVED INFORMATION SUGGESTING A POSSIBLE VA EMISSION. WE WILL GATHER FURTHER INFORMATION AND ISSUE A FULL ADVISORY AS SOON AS POSSIBLE. NXT ADVISORY: AS SOON AS POSSIBLE