- Who
- Annalisa Wray
- What
- 121.7 decibel(s) (C-weighted)
- Where
- United Kingdom (Belfast)
- When
Annalisa Wray (UK) achieved a shout of 121.7 dBA, shouting the word 'quiet', at the Citybus Challenge, Belfast, Co. Antrim, Northern Ireland, UK, on 16 April 1994.