FVXX21 KNES 091238 VA ADVISORY DTG: 20120409/1237Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 PSN: S0128 W07826 AREA: ECUADOR SUMMIT ELEV: 16480 FT (5023 M) ADVISORY NR: 2012/116 INFO SOURCE: GEOPHYSICAL INST. ERUPTION DETAILS: GEOPHYSICAL INST. OBSERVED VA AT 09/1221Z 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