FVXX20 KWBC 231930 VOLCANIC ASH ADVISORY ISSUED: 2002AUG23/1930Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/412 . INFORMATION SOURCE: GOES-8 IMAGERY. ERUPTION DETAILS: ERUPTION AT 23/1026Z. . OBS ASH DATE/TIME: NIL . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: NO ASH WAS DETECTED IN SATELLITE DATA THROUGH 1845Z AND THERE HAS BEEN NO FURTHER REPORTS OF ACTIVITY. TURK . NEXT ADVISORY: NO FURTHER ADVISORIES. . NNNN