FVXX20 KNES 170934 VA ADVISORY DTG: 20150917/0934Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17457 FT (5321 M) ADVISORY NR: 2015/074 INFO SOURCE: GOES-EAST. SERVICIO GEOLOGICO COLOMBIANO ERUPTION DETAILS: LIKELY ERUPTION OF ASH REPORTED BY VO AT 0728Z MOV W HGT UNKN 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