FVXX20 KNES 181521 VA ADVISORY DTG: 20080618/1520Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA PSN: S0128 W07826 AREA: ECUADOR SUMMIT ELEV: 16480 FT (5023 M) ADVISORY NR: 2008/553 INFO SOURCE: NOT AVBL ERUPTION DETAILS: NOT AVBL 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 NNNN